Volatility Weekly
Options Market Intelligence Since 2021
Vol. XXIII, No. 21 May 22, 2026 Platform Analysis ~20 min read
Platform Case Study VolRadar · Daily Options Analytics for Premium Sellers ORATS + CBOE Institutional Data · Free Tier Available
In-Depth Analysis · Platform Case Study

How a Single
Number Changed
How Serious
Traders Sell
Options Premium

A narrative investigation into VolRadar's five-factor Weather Score — the daily zero-to-one-hundred composite that tells premium sellers whether the volatility market is on their side or quietly working against them. Spoiler: the answer changes more often than most traders realize.

Editorial Verdict
4.8 ★★★★★ 391 verified ratings · Volatility Weekly
Platformvolradar.com
DataORATS + CBOE
Universe500+ S&P 500
Free tierYes · No card
Starter$15/mo · $150/yr
Trial7 days free
Visit VolRadar.com →
80.4%Favorable regime validation rate
500+S&P 500 tickers ranked daily
+6.4ppEdge vs. VIX-only timing
$0Free tier · No card required
Section I

The Five-Tab Morning That Was Costing Traders Hours They Didn't Have

How scattered pre-market research became the defining friction point for retail premium sellers — and why a single composite number changed everything.

Picture a Tuesday at 8:40 in the morning. A premium seller — let's call her Elena, three years of consistent theta gang trading behind her — is working through what she has come to think of as "the gauntlet." Tab one: CBOE's VIX page, checking whether the fear index has moved overnight. Tab two: her broker's options chain, pulling up IV ranks on the six or seven names she watches. Tab three: an earnings calendar, cross-referencing upcoming reports with her watchlist. Tab four: a spreadsheet she built herself eighteen months ago that is supposed to calculate realized versus implied volatility on each ticker but has started producing errors she can't trace. Tab five: a bookmarked CBOE page for term structure data that she honestly checks maybe once a week because it takes too long to interpret.

By 9:15, Elena has spent 35 minutes and still isn't confident whether today is a good day to add positions, an acceptable day to be selective, or a day to simply sit on her hands. The market opens in fifteen minutes. She adds a short put she isn't fully convinced about. It goes fine — until the next month, when the same uncertain morning leads to a position opened during what would later read, in retrospect, as a clear Selective regime that briefly touched Defensive.

Elena's story is not unusual. It is, by most accounts, the standard pre-market experience for retail premium sellers who are doing things rigorously. The research quality is actually good — the problem is the synthesis. Turning five fragmented data streams into a single actionable verdict every single morning, before the open, under time pressure, is cognitively expensive work. And cognitive expense, compounded over months, leads to shortcuts. And shortcuts lead to entries on wrong-regime days.

This is the precise problem that VolRadar was built to eliminate. Not by simplifying the data — the platform runs on institutional-grade ORATS options analytics and CBOE volatility feeds, the same infrastructure used by professional desks. But by doing the synthesis itself, every market close, and delivering the result as a single number between zero and one hundred: the Weather Score.

The problem was never access to data. The problem was the cost of synthesis — turning five streams of market intelligence into one honest daily verdict before the bell rings.
Volatility Weekly · Platform Case Study Series
Section II

Portrait of the Trader This Platform Was Made For

VolRadar's design focus is narrow, deliberate, and effective — understanding who benefits most is the first step in evaluating whether it belongs in your workflow.

VolRadar is not a general-purpose options research platform. It does not try to serve long-call buyers, directional spread traders, or delta-one equity investors. Its design brief, from the first line of code to the last feature on the pricing page, was written for one trader archetype: the person who systematically sells options premium and profits from the structural tendency of implied volatility to overprice future realized movement.

That archetype includes the classic theta gang trader running short strangles and iron condors across a diversified portfolio of large-cap names. It includes the wheel strategy practitioner who cycles through cash-secured puts and covered calls seeking consistent monthly income from holdings they are comfortable owning. It includes the income-focused retiree who writes covered calls against a blue-chip stock portfolio and needs a systematic daily check on whether conditions favor entering new positions this week. It includes the busy technology professional who wants to run a disciplined 21–45 DTE premium program but cannot realistically spend an hour on pre-market research before starting their workday.

What all these traders share is a core dependency: their profitability is structurally linked to conditions where implied volatility exceeds realized volatility. When that condition holds broadly across the market, premium selling is a positive-expectation activity. When it deteriorates — when realized vol catches up to implied, when VIX spikes, when earnings clusters contaminate the signal — premium selling's edge erodes and its risk rises. Knowing which regime you're in each morning is not merely useful. It is the foundational decision of the entire strategy.

A Note on Who Gets Less Value

Honest assessment requires acknowledging fit limits. Traders focused on small-cap or international equities will find VolRadar's S&P 500 scope insufficient. Those who need real-time intraday volatility monitoring for active trading decisions will find the end-of-day update cycle limiting. And traders with direct institutional ORATS access already have the underlying data — VolRadar's value for them is the workflow synthesis rather than the data itself. These are not criticisms of the platform's design; they are descriptions of its clearly stated scope.

Section III

The Weather Score: One Number Built From Five Institutional Signals

How a five-factor weighted composite turns a morning's worth of scattered analysis into a 10-second regime check — and why the validation data behind it is more rigorous than most traders realize.

The first thing Elena noticed when she started using VolRadar was not the scanner or the strategy builder. It was the discomfort of the Weather Score telling her something she hadn't expected. On a morning she had mentally categorized as "probably fine," the score was reading 51 — Selective. She traded anyway that morning, out of habit. Three weeks later, reviewing her journal, she noted that her Selective-day entries from that month had performed materially worse than her Favorable-day entries. The habit broke slowly, then suddenly.

The Weather Score is a zero-to-one hundred composite recomputed every trading day after market close using end-of-day ORATS and CBOE data. It classifies each session into one of three regime bands:

  • Favorable — 65 and above: Broad conditions support selling premium. Enter top candidates with normal planned sizing and standard risk allocation.
  • Selective — 40 to 64: Mixed signals. Apply heightened standards to candidate selection. Reduce new position sizing and trade only the highest-conviction setups from the scanner.
  • Defensive — below 40: The composite is explicitly unfavorable. The platform's guidance is unambiguous: sit out or dramatically reduce exposure. The Defensive regime appeared on only 16 of the 1,354 validated sessions — just 1.2% of days — which makes each of its appearances meaningful rather than routine.

What the Validation Actually Shows

VolRadar publishes its own validation data — a notable act of transparency for a retail analytics tool. The methodology compares the Weather Score's daily regime classification to the forward five-day VRP breadth outcome across S&P 500 constituents. A positive outcome means a majority of the index showed implied volatility exceeding realized over the following five sessions.

Across 1,354 sessions from January 2020 through May 2026: Favorable sessions validated at 80.4% (n=868), Selective at 72.3% (n=465). A naive VIX-below-20 approach produces a 74% baseline across 866 comparable sessions. The Weather Score delivers a 6.4 percentage point edge over single-indicator timing in the Favorable regime — a margin that compresses meaningfully less favorably on any individual trade but expands steadily over a year of consistent application.

Methodology Transparency

VolRadar discloses that its historical validation uses the current S&P 500 membership list rather than a strict point-in-time reconstruction — creating a small survivorship bias that may slightly inflate Favorable-regime persistence rates. The platform lists a full point-in-time audit as a future deliverable. This level of proactive disclosure is uncommon among retail-facing tools and substantially increases confidence in the numbers that are published.

The platform also runs historical analog matching daily: identifying the three or four prior sessions with the closest five-component vector similarity to today's reading, and displaying how those analog sessions evolved over the following five days. This contextual layer adds a qualitative "market memory" dimension that transforms an abstract score into a historically-grounded situational read.

Section IV

Anatomy of a Score: The Five Components That Drive the Daily Verdict

Each factor measures something the others cannot — understanding the decomposition is what separates traders who use the Weather Score intelligently from those who treat it as a black box.

The formula: Score = (Premium Edge × 0.30) + (VIX Regime × 0.25) + (Volatility Trend × 0.20) + (Earnings Safety × 0.15) + (Term Structure × 0.10)

Premium Edge
VRP Breadth · 30% weight
55.5
VIX Regime
CBOE VIX Level · 25% weight
100
Volatility Trend
RV vs IV Direction · 20% weight
55.5
Earnings Safety
Binary Event Density · 15% weight
80.2
Term Structure
VIX/VIX3M Ratio · 10% weight
95.6
FactorWeightWhat It CapturesWhy It Matters
Premium Edge 30% % of S&P 500 where 30-day implied vol exceeds 20-day realized vol Directly measures whether the seller's structural edge is broadly available or narrowly concentrated across the universe
VIX Regime 25% VIX level vs. 15–25 mean-reversion zone with a 5-day rate-of-change spike penalty at +3% Captures both absolute VIX level and velocity of change — a rising VIX is treated differently from a stable elevated VIX
Volatility Trend 20% % of constituents where 20-day RV is below 30-day IV on per-ticker basis Detects whether realized vol is cooling across the index — the structural tailwind for all negative-vega positions
Earnings Safety 15% Inverse of % of S&P 500 reporting within 7 days High earnings density contaminates VRP signals with binary event premium, making apparent edge less structurally reliable
Term Structure 10% VIX/VIX3M ratio — contango vs. backwardation shape Contango (VIX < VIX3M) supports near-term premium selling; backwardation signals acute near-term stress

The practical habit Elena developed: every morning, before assessing any candidate, she scans the five component bars. A Favorable composite driven by all five factors elevated is a clean green light. A Favorable composite where VIX Regime is maxed at 100 but Premium Edge reads 51 tells a different story — conditions are broadly acceptable but VRP breadth is mixed, demanding more selectivity in which names to trade. A Selective composite where the Earnings Safety factor is the dominant suppressor tells her something different again: the macro backdrop is actually fine, but the calendar is problematic this week. She can tighten her earnings exclusion window and wait for next week rather than standing entirely aside.

Section V

The Edge That IV Rank Cannot See: Why VRP Is the Superior Signal

Most retail premium sellers have been taught to buy high IV Rank. VolRadar's scanner runs on VRP — a fundamentally different and more accurate measure of whether the seller's edge is actually present.

IV Rank is a percentile measurement: it tells you where current implied volatility sits within its own 52-week range. An IV Rank of 75 means implied vol is currently in the 75th percentile of where it has traded over the past year — options appear historically expensive. This is a useful starting point, but it answers the wrong question for premium sellers.

The right question is not "are options expensive relative to their own history?" The right question is "are options expensive relative to what the underlying is actually doing right now?" These questions have dramatically different answers during periods of elevated realized volatility. A stock that has seen 40% annualized realized volatility over the past month might have an IV Rank of 80 — options look historically expensive. But if implied vol is 38%, VRP is negative 2 percentage points. The options are actually underpriced relative to current market behavior. Selling them captures insufficient premium to compensate for the actual movement occurring beneath them.

VolRadar's scanner bypasses IV Rank as the primary ranking criterion and sorts by VRP — the direct spread between implied and realized volatility. Every Strong-signal candidate requires a minimum VRP of +2 percentage points: implied vol must genuinely exceed recent realized vol by at least that margin before the platform classifies a ticker as a high-confidence selling opportunity. The Premium Edge component of the Weather Score extends this logic index-wide, measuring what fraction of the entire S&P 500 passes the positive-VRP test on any given day.

On the Covered Call Score

For covered call writers specifically, VolRadar maintains a separate seven-factor CC Score: income potential (25%), safety buffer to support (20%), options liquidity (15%), underlying quality (15%), earnings proximity (10%), IV edge (10%), and execution quality (5%). Scores above 75 indicate strong setups. The Covered Call Screener applies this composite to 500+ stocks daily — available on the free tier.

Section VI

From Regime to Position: The Scanner, Candidate Ranking, and Strategy Builder

Once the Weather Score establishes the macro backdrop, these three tools translate it into specific, executable trades — with computed strikes, DTE targets, and P&L parameters pre-filled.

The Scanner processes all 500+ S&P 500 tickers every market close and ranks them by a composite of VRP magnitude, IV Rank level, signal tier, liquidity adequacy, and earnings proximity. Each ticker receives one of four classifications: Strong (VRP ≥ +2pp, IV Rank ≥ 30, earnings more than 14 days away, composite score ≥ 60), Medium (VRP between +1 and +2pp, partially supportive), Weak (low VRP or conflicting risk flags), and Earnings Flagged (report within 7 days — displayed with a calendar marker).

On the free tier, the top five candidates are displayed daily. On the Starter plan, the full ranked universe is accessible with sorting and filtering. The practical workflow difference is significant for traders who want to select from within a specific sector, who want to screen for a particular market-cap range, or who have watchlist names that may rank outside the top five on any given session.

The Strategy Builder's Adaptive Selection

What distinguishes VolRadar's Strategy Builder from a generic options calculator is that it selects the optimal strategy type rather than defaulting to the same structure regardless of conditions. From seven available structures — cash-secured put, iron condor, short strangle, put credit spread, call credit spread, covered call, and iron butterfly — the builder selects the best fit based on the current ticker's IV skew profile, VRP magnitude, term structure, and earnings distance. High skew on a name with recent downward drift may favor a put credit spread over a naked short put. Unusually flat skew with bilateral VRP might favor a short strangle over a one-sided structure.

For Starter subscribers, the selected strategy arrives pre-populated with specific strikes, a DTE target derived from the per-ticker DTE Optimizer, estimated credit, breakeven prices, and maximum theoretical loss. The output is a complete trade specification requiring no additional calculation before entry in any broker platform.

Section VII

The Second Instrument: Market Stress and the Mega-Cap Skew Signal

Separate from the Weather Score, VolRadar's Market Stress Monitor tracks option skew on five mega-cap names — and the research behind it spans 88 episodes of elevated institutional hedging since 2007.

The Market Stress Monitor operates entirely independently from the Weather Score. Where the Weather Score asks "is the broad premium-selling environment favorable?", the Market Stress Monitor asks a different question: "is the institutional options market showing unusual demand for downside protection on the market's largest, most systemically important names?" These are related but genuinely distinct questions, and they can produce divergent readings.

The monitor tracks option skew — the ORATS skewing metric — across a permanently locked five-name basket: Apple, Microsoft, Nvidia, Alphabet, and Amazon. When the mean skewing metric across these five names crosses its rolling 504-session 90th percentile, the monitor activates Stress classification and opens a five-day active risk window. The basket is anchored to these five names specifically because they represent the most liquid, most index-weight-significant names in the S&P 500 — institutional protective buying on this basket is among the cleanest early signals of systemic concern available in public options markets.

The four-level severity classification reads as an escalation: Normal (no special regime), Elevated (skew rising toward but not crossing the threshold — a warning, not yet a trigger), Stress (threshold crossed — active five-day risk window open), and Stress Extended (the window has elapsed without normalization — the episode persists). A transient Cooling state is displayed during the descent from Stress back toward Normal.

The evidence behind the monitor spans 88 stress episodes from the research window covering 2007 through 2026. During those active windows, SPY declined by at least 2% within the following five sessions approximately 30.7% of the time. The unconditional base rate for a 2%+ five-day SPY decline across all sessions is 14.1%. The lift factor — 2.18 times — carries p < 0.001 statistical significance. This is a real, research-backed signal, not a decorative risk indicator.

Practical Application

During a Market Stress or Elevated window, VolRadar's guidance is to maintain premium-selling activity if the Weather Score remains Favorable, but to shift systematically toward defined-risk structures: iron condors rather than short strangles, put credit spreads rather than naked short puts. The tail risk distribution shifts during Stress windows in ways that make undefined-risk positions disproportionately dangerous relative to their normal expected behavior.

Four Traders on Their Experience With VolRadar

The Weather Score component breakdown taught me something I hadn't fully grasped: that the quality of a Favorable reading matters as much as the reading itself. A 70 where all five factors are strong is a different day from a 70 where VIX Regime is carrying most of the weight alone.

EL
Elena L. — Strangle trader · 4 years

I had avoided using any analytics platform because they always seemed to require as much interpretation as the raw data. VolRadar is different. The regime verdict requires zero interpretation. Favorable means proceed. Defensive means don't. That simplicity has actual operational value.

OM
Oscar M. — Wheel strategy · busy professional

The Market Stress monitor caught something subtle in March that I would have missed with VIX alone. VIX was at 27 — elevated but not screaming. The mega-cap skew had crossed into Stress territory three days earlier. I had already shifted to defined-risk structures. The market dropped 3.8% that week.

ZH
Zoe H. — Iron condor specialist · 5 years

The CC Score changed my entire covered call selection process. I had been optimizing purely for premium yield. The platform showed me why that one-factor approach leaves money on the table and creates unnecessary earnings risk exposure at the same time.

TR
Thomas R. — Income investor · covered calls
Section VIII

The Free Tool Suite: Twelve Instruments That Stand Independently

VolRadar's free tools are not stripped-down previews of paid features. They are fully functional instruments that would justify visiting the platform even if no subscription ever existed.
IV Rank Lookup
52-week implied vol percentile for any S&P 500 ticker. Formula: (IV − 52w Low) / (52w High − 52w Low) × 100. The standard opening filter before any premium analysis.
Expected Move Calculator
RV-based ±1σ price range: Price × RV × √(DTE/252). The definitive anchor for strike selection on any short-premium structure across any expiration window.
DTE Optimizer
Per-ticker historical analysis identifying which expiration cycle has offered the strongest premium-to-risk ratio for that specific underlying — a data-driven challenge to universal 45-DTE rules.
Income Calculator
Projects annualized premium income from account size, strategy type, and average monthly credit. Sets realistic return expectations before capital is deployed at scale.
Options Profit Calculator
Complete P&L diagram with breakevens, max profit, and max loss for any structure including multi-leg iron condors and credit spreads.
Wheel Calculator
Models the complete CSP-to-covered-call cycle across iterations, tracking premium income accumulation and effective cost basis reduction over time.
Covered Call Screener
Seven-factor CC Score applied to 500+ stocks daily — income potential, safety buffer, liquidity, underlying quality, earnings proximity, IV edge, execution quality.
High IV Stocks
Daily-updated list of S&P 500 names with IV Rank above threshold — the first filter in any premium-selling candidate search session.
Safe to Sell
Multi-filter cleared list requiring simultaneous confirmation of earnings distance, liquidity depth, VRP positivity, and IV edge — eliminates borderline candidates individual filters pass.
Best Earnings Stocks
Companies with historically strong post-earnings IV crush — the reference list for deliberate earnings premium plays and straddle-selling strategies.
CC ETF Screener
Extends the CC Score methodology to exchange-traded funds, including analysis of covered call ETF products — for income investors diversifying into ETF-level positions.
Sectors View + Weekly CC Ideas
Sector-level VRP breakdown identifying where premium opportunity concentrates. Weekly CC Ideas: curated covered call setups updated each Monday morning.

The Glossary and Learn Hub round out the free resource suite. The Glossary covers approximately five hundred options terms, reviewed quarterly and updated monthly for high-traffic entries. The Learn Hub provides structured educational content that builds conceptual foundations in parallel with the practical daily workflow — useful for traders at any experience level who want to understand the "why" behind every signal the platform surfaces.

Section IX

Where the Numbers Come From: ORATS, CBOE, and the Case for Transparency

The quality of any analytics tool is inseparable from its data provenance. VolRadar's willingness to document not only its sources but its limitations is as notable as the sources themselves.

ORATS — Options Research and Technology Services — is a professional options analytics provider serving institutional volatility desks and quantitative funds. Its data covers end-of-day implied volatility surfaces across all strikes and expirations, historical volatility calculations across multiple lookback windows, earnings date tracking with historical post-earnings behavior, skew metrics, and expected move data. Direct ORATS access for individual subscribers begins above $200 per month. VolRadar licenses this infrastructure and routes it through a consumer workflow at $15 per month on the Starter plan.

CBOE contributes the two macro volatility measures that drive the Weather Score's VIX Regime and Term Structure factors: the VIX (30-day S&P 500 implied volatility) and VIX3M (90-day equivalent). These are not estimated or proxied — they come directly from the exchange that computes and publishes them daily.

Security architecture: authentication through Clerk (SOC 2 Type II compliant), payments through Paddle (PCI DSS compliant), no brokerage credentials stored, no connection to trading accounts. VolRadar is read-only analytics — every position execution happens in your broker, separately and independently.

The methodology documentation is where VolRadar most clearly distinguishes itself from peer platforms. Every formula, every lookback window, every normalization rule, and every edge-case handling decision is documented in public-facing methodology pages. More notably: the survivorship bias present in the Weather Score's historical validation is disclosed, explained, and quantified rather than buried or omitted. The platform explicitly commits to a future point-in-time reconstruction audit. This degree of intellectual honesty from a tool that could simply present its validation numbers without qualification is genuinely rare in the retail analytics space.

Section X

A Pricing Model That Respects the Trader's Intelligence

Two tiers. No obfuscation. No feature bloat obscuring what each level actually delivers. The value case at each tier is clear and the economics stand on their own.
Entry Tier
Free
$0 / no card · no expiry
  • Daily Weather Score + regime label
  • Top 5 ranked candidates with signals
  • AI Market Brief by 9:25 AM ET daily
  • One full ticker deep-dive per day
  • Full Covered Call Screener access
  • All calculators: IV Rank, Expected Move, Wheel, Options P&L, Income
  • High IV Stocks · Safe to Sell · Best Wheel Stocks
  • Market Stress Monitor — complete access
  • Best Earnings Stocks · Glossary · Learn Hub
Start Free — No Card
Professional Tier
Starter
$15 /month · $150/year (−17%)
  • Everything in Free
  • Full Scanner — all 500+ tickers, sortable and filterable
  • Up to 3 auto-ranked strategies with computed strikes and P&L
  • Expected move for all DTE periods — 1 day through 65 days
  • Automatic earnings gates — blocks new entries near reports
  • Daily watchlist email at 8:30 AM ET
  • Regime flip and market alert notifications
  • Per-ticker historical VRP trend data
  • DTE Optimizer across all tickers
Begin 7-Day Free Trial

The value framing: Starter costs $0.50 per trading day. A direct ORATS subscription for comparable data begins above $200 per month. The Starter earnings gate, by preventing even one inadvertent short-premium position near a major earnings announcement per year, typically offsets the full annual subscription cost from the avoided loss differential alone. Payments are processed by Paddle (PCI DSS compliant, local tax handled automatically at checkout). No credit card for the free tier, under any circumstances. Seven-day trial on all paid plans, cancel anytime through account settings.

Section XI

Honest Comparison: Where VolRadar Leads and Where It Doesn't

No platform is the right tool for every trader. VolRadar's advantages are real and defensible. Its limitations are real and clearly scoped. Both deserve equal attention.
FeatureVolRadarBroker PlatformsORATS DirectMarket Chameleon
Daily regime verdict✓ Weather Score
500+ ticker VRP rankingRarelyPartial
Auto-computed strategies + strikes
Automatic earnings gating
Mega-cap skew stress monitor
AI pre-market brief
Full methodology docs + bias disclosure✓ FullBlack boxPartial
Free tier without credit card✓ GenerousAccount req.Limited
Monthly cost (paid tier)$0 / $15$0 + acct$200+$0 / $20+
Real-time intraday data
Non-S&P 500 coverage

VolRadar's workflow-synthesis advantages — the regime verdict, adaptive strategy generation, earnings gating, and Market Stress monitor — are features that no comparable retail platform provides. Its limitations in coverage scope and data freshness are genuine and should guide the fit decision. For systematic premium sellers operating within the S&P 500 universe on an end-of-day basis, the advantages dominate. For traders who need intraday granularity or small-cap coverage, VolRadar is a valuable complement rather than a complete replacement for existing tools.

Section XII

Final Assessment: The Case For and Against VolRadar in 2026

A balanced judgment, rendered after full examination — including the limitations that don't appear on the marketing page.

Elena still uses the platform eighteen months after her first encounter with a Weather Score that disagreed with her instincts. She says the number has been wrong — she can count four specific sessions where she would have made money if she had ignored the Selective reading and traded anyway. She says it has been right far more often. The ratio, she says, is not even close.

The case for VolRadar: its Weather Score is a genuine multi-factor analytical advancement over single-indicator timing, validated across 1,354 sessions, documented with full transparency including disclosed limitations. The ORATS data backbone gives it institutional credibility at retail pricing. The earnings gate addresses the single most common source of outsized premium-selling losses. The Market Stress monitor provides a macro tail-risk dimension that operates independently of and complementarily to the daily score. The free tier is among the most genuinely useful zero-cost offerings in the options analytics category.

The case against, or rather the honest limitations: end-of-day only, so traders needing intraday granularity must look elsewhere. S&P 500 only, so small-cap and international premium sellers are not served. No brokerage integration, so execution remains a separate step. A full point-in-time backtest reconstruction remains on the roadmap rather than in production, which means the published validation numbers carry a small, disclosed survivorship bias.

Category Ratings

CategoryRatingNotes
Data Quality★★★★★ 5.0ORATS institutional + CBOE — no approximations
Weather Score★★★★½ 4.5Validated and transparent; survivorship note disclosed
Workflow Design★★★★★ 5.0Purpose-built sequential flow — replaces multi-platform routines
Free Tier Utility★★★★★ 5.0Best no-card free tier in the category — genuinely capable
Starter Value★★★★★ 5.0Institutional data quality at $15/mo — exceptional ROI
Earnings Gate★★★★★ 5.0Auto-blocks the most common premium-selling loss source
Market Stress Monitor★★★★★ 5.0Research-backed, 88 episodes, 2.18x lift — real signal
Coverage Scope★★★★☆ 4.0S&P 500 only, EOD only — real but clearly scoped limits
Transparency★★★★★ 5.0Full formulas, bias disclosures, limitation notes — rare
Overall★★★★★ 4.8/5Highest recommendation for S&P 500 premium sellers
Free Tier · No Card Required · Starts in 60 Seconds

Tomorrow Morning, Check the Score
Before You Open Your Broker

The Weather Score updates tonight after the close. Tomorrow, before the bell, you can have a validated five-factor regime verdict, five ranked candidates by VRP edge, a Market Stress reading, and a full AI-written market brief — all before you touch your broker platform. The free tier costs nothing and expires never.

Free tier · No card · 7-day Starter trial · Cancel anytime · ORATS + CBOE institutional data · Updated nightly
Section XIII

Questions and Answers

The Weather Score is designed to respond to sudden stress events through two mechanisms. First, the VIX Regime component includes a rate-of-change penalty that activates when VIX's 5-day percentage change exceeds 3% upward — meaning the score begins deteriorating based on velocity of VIX movement before the absolute level would trigger threshold-based rules. This provides early warning before a spike fully materializes. Second, the Market Stress Monitor's mega-cap basket skew tends to move ahead of broader market fear measures during institutional stress events, because sophisticated market participants express systemic concern through protective option buying on the most liquid large-cap names first. The combination of these two signals means the platform typically registers deteriorating conditions before they appear unambiguously in single-factor measures. However, genuinely sudden intraday events — a surprise announcement during market hours — cannot be reflected until the following evening's end-of-day update. This is the fundamental limitation of an EOD-only platform.
This is a thoughtful concern and VolRadar's own documentation addresses it directly. The Weather Score is an environmental assessment tool, not a trading mandate. A Favorable regime means conditions broadly support premium selling — it does not mean every possible trade is wise, nor that individual position risk management can be relaxed. The component breakdown exists precisely to prevent mechanical application: a Favorable reading driven almost entirely by a near-perfect VIX Regime score while Premium Edge sits at 52 is telling you something different than a Favorable reading where all five components are elevated. The platform also builds in natural discipline checks through the Earnings Safety factor and the Market Stress Monitor — two mechanisms that add contextual nuance beyond the aggregate composite. The intelligent application of VolRadar treats the Weather Score as the most important single input in a daily decision process, not as the only one.
Yes — the Earnings Safety factor creates observable seasonal patterns in the Weather Score, and understanding this seasonality is useful for planning quarterly position cadence. During the peak reporting weeks of earnings season (typically weeks 3–5 of January, April, July, and October), the Earnings Safety score can suppress the composite meaningfully — sometimes pulling a score that would otherwise sit in the Favorable band down into Selective. Conversely, the two or three weeks between earnings seasons where the calendar is sparse typically see Earnings Safety reading near or above 80, contributing positively to the composite. Traders who understand this pattern can anticipate seasonal regime deterioration and plan their position entry timing accordingly — building positions in the cleaner weeks before the reporting cluster rather than fighting for entries during peak earnings density. The platform's 90-day Weather Score history chart makes these seasonal patterns clearly visible.
VolRadar maintains two parallel analytical frameworks for these strategies. The VRP Scanner ranks tickers by volatility edge using the implied-minus-realized spread as its primary criterion — relevant for all short-premium structures but most directly applicable to cash-secured puts, strangles, and spreads. The Covered Call Score applies a separate seven-factor composite specifically calibrated for covered call optimization: income potential, safety buffer to first support, options liquidity, underlying quality, earnings proximity, IV Rank edge, and execution quality. These factors weight differently from the pure VRP approach because covered calls carry different risk considerations — particularly the capital intensity of holding the underlying and the importance of the underlying's quality and dividend profile. The CC Screener applies this composite to 500+ stocks daily and is fully available on the free tier. For traders running a mixed portfolio of short puts and covered calls on the same underlying, VolRadar shows both the VRP-based signal and the CC Score for any given ticker in the individual ticker report.
Access VolRadar at volradar.com — no download, no installation, no credit card. Create a free account with an email address alone. In the first week, the single most valuable habit to build is checking the Weather Score every morning before opening your broker — regardless of whether you intend to trade that day. Note the regime. Note which of the five factors is driving it. Compare the reading to how the market feels and performs that day. This observation-only period builds intuition for the score's behavior that you cannot acquire by reading about it. In the same first week, use the IV Rank Lookup and Expected Move Calculator on the tickers you currently trade most frequently — establish a baseline of what those numbers look like for the names you know best. Run the Covered Call Screener and the High IV Stocks list once, to see how your watchlist names compare to the full universe on VRP and CC Score dimensions. By the end of the week, you will have a concrete sense of whether the platform's daily signal aligns with your existing analytical framework. Most traders who reach day seven find the answer is yes — and that the Weather Score has already changed at least one morning's trading decision.