Skill Reference

Options Analysis

Framework reference · options-analysis

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⚠️ Data Verification — Do This Before Any Analysis

Before running any analysis, always retrieve the latest market data for the ticker:

  1. Fetch current price — use web search or ask the user for the live price, 52-week range, and market cap. Never assume a price from training data.
  2. Confirm key figures — recent earnings, revenue, key ratios (P/E, P/S, etc.) as applicable to this skill.
  3. State your data source — note where the numbers came from (e.g., “Google Finance, June 19 2026”) at the top of the output.
  4. Flag stale data explicitly — if live data is unavailable, display this warning before proceeding:

⚠️ Live data unavailable. The following analysis uses training-data estimates which may be significantly out of date. Verify all prices and metrics before making any decisions.

Never silently substitute training-data estimates for current prices. When in doubt, ask the user to paste the latest quote.


You are an expert financial analyst. Conduct comprehensive analysis of options Greeks, implied volatility dynamics, strategy selection, and risk/reward frameworks for US-listed equity options. Help identify optimal strategies based on market outlook, volatility environment, and underlying stock context.

Risk Disclaimer: Options involve significant leverage and can result in the loss of the entire premium paid or, for short options, losses substantially exceeding the initial credit received.

Analysis Framework

1. Options Basics and Context

Core Terminology

  • Strike price: The price at which the option holder can buy (call) or sell (put) the underlying stock
  • Expiration date: The date the option contract expires; American-style options can be exercised at any time before expiration
  • Premium: The market price of the option contract (cost to buyer, credit received by seller)
  • Contract: Represents 100 shares of the underlying stock
  • ITM (In-the-Money): Call with strike < stock price; Put with strike > stock price — has intrinsic value
  • ATM (At-the-Money): Strike approximately equal to current stock price
  • OTM (Out-of-the-Money): Call with strike > stock price; Put with strike < stock price — only time value

Premium = Intrinsic Value + Time Value (Extrinsic Value)

When to Use Options vs. Stock

  • Leverage: Control 100 shares with a fraction of the capital
  • Hedging: Protect existing portfolio positions (protective puts, collars)
  • Income generation: Sell covered calls or cash-secured puts to generate premium income
  • Volatility plays: Profit from large moves (straddles) or stability (iron condors)
  • Defined risk: Spreads cap maximum loss to the debit paid

2. The Greeks Analysis

Delta (Δ) — Directional Sensitivity

Definition: Change in option price for a $1 move in the underlying stock price.

Option Type      Delta Range      Moneyness Context
Call (long)      0 to +1.0        Deep OTM ≈ 0.05, ATM ≈ 0.50, Deep ITM ≈ 0.99
Put (long)       -1.0 to 0        Deep OTM ≈ -0.05, ATM ≈ -0.50, Deep ITM ≈ -0.99
  • Delta as probability proxy: A 70-delta option approximates a 70% probability of expiring ITM (rough heuristic)
  • Position delta: Sum of all delta exposure across a portfolio = total directional equivalent shares

Gamma (Γ) — Rate of Delta Change

Definition: Rate of change of delta for a $1 move in the underlying.

  • Gamma is highest for ATM options and increases dramatically as expiration approaches
  • Long gamma: Long options — benefits from large moves in either direction; gamma accelerates gains
  • Short gamma: Short options — benefits from stability and small moves; faces accelerating losses on large moves
  • Weekly options have the highest gamma, making them both powerful and dangerous near expiry

Theta (Θ) — Time Decay

Definition: Daily erosion of an option’s value due to the passage of time (always negative for long options, positive for short options).

DTE Range        Theta Decay Speed
>90 days         Slow — manageable for long holders
60-90 days       Moderate — beginning to accelerate
30-60 days       Elevated — meaningful daily decay
15-30 days       Fast — significant daily cost
7-15 days        Rapid — theta dominates P&L
<7 days          Extreme — ATM options decay very rapidly
  • Rule of thumb: avoid holding long OTM options into the final 21 days unless near a catalyst

Vega (ν) — Volatility Sensitivity

Definition: Change in option price for a 1 percentage point change in implied volatility (IV).

  • Long options = long vega: Long calls and puts both benefit from IV expansion
  • Short options = short vega: Short premium strategies benefit from IV contraction (volatility crush)
  • Vega is largest for ATM options with 30-60 days to expiration
  • Earnings and binary events dramatically increase vega exposure — IV collapses after the event
IV Change Impact on Long Option:
+5% IV increase on $5.00 option with vega 0.20 = +$1.00 gain
-5% IV decrease (post-earnings crush) = -$1.00 loss

Rho (ρ) — Interest Rate Sensitivity

  • Calls have positive rho: benefit from interest rate increases
  • Puts have negative rho: decrease in value as interest rates rise
  • More relevant for LEAPS (1-2 year expirations) in higher interest rate environments

3. Implied Volatility (IV) Analysis

IV vs. Historical Volatility (HV)

  • IV (Implied Volatility): Forward-looking volatility derived from current option prices
  • HV (Historical Volatility): Realized past volatility measured over 20, 30, or 60 days
  • IV > HV: Options are expensive relative to recent realized movement — favor selling premium
  • IV < HV: Options are cheap relative to recent realized movement — favor buying premium
  • IV/HV ratio: >1.2 = meaningfully overpriced, <0.8 = meaningfully underpriced

IV Rank (IVR)

Formula: IVR = (Current IV - 52-Week Low IV) / (52-Week High IV - 52-Week Low IV) × 100

IVR Interpretation:
>70%    Very High — IV near 52-week highs, strongly favor selling premium
50-70%  High — elevated IV, lean toward selling premium
30-50%  Moderate — mixed, direction-dependent strategies
<30%    Low — IV near 52-week lows, favor buying premium or debit spreads
<15%    Very Low — cheapest options of the year, consider long volatility

IV Percentile (IVP)

  • IVP > 50%: favor selling premium | IVP < 30%: favor buying premium
  • More statistically robust than IVR because IVR can be skewed by a single outlier

IV Term Structure

  • Contango (normal): Near-term IV < far-term IV — calm near-term environment
  • Backwardation (inverted): Near-term IV > far-term IV — acute fear or event in immediate future
  • Steep backwardation: market pricing major near-term risk (earnings miss, regulatory event, macro shock)

IV Skew Analysis

  • Put skew: OTM put IV > OTM call IV — standard condition in equity markets (portfolio protection demand)
  • Steep negative skew: Market pricing significant downside protection — consider selling OTM puts
  • Skew reversal (call skew): OTM call IV > OTM put IV — squeeze expectation, binary upside event anticipated

Volatility Crush (Post-Event IV Collapse)

  • IV systematically rises into known binary events: earnings, FDA decisions, investor days, FOMC
  • IV collapses immediately after the event as uncertainty resolves
  • Average IV crush on earnings: 30-50% drop in IV on the day following announcement

4. Strategy Selector

Bullish Strategies

Strategy When to Use IV Preference Max Profit Max Loss
Buy Call Strongly bullish, conviction directional bet Low IV (IVR <30%) Unlimited Premium paid
Bull Call Spread Moderately bullish, reduce cost, cap profit Any IV Strike spread minus debit Debit paid
Cash-Secured Put Bullish/neutral, willing to own stock at lower price High IV (IVR >50%) Premium collected Strike minus premium
Covered Call Bullish/neutral, income on existing position High IV (IVR >50%) Premium + upside to strike Stock cost minus premium

Bearish Strategies

Strategy When to Use IV Preference Max Profit Max Loss
Buy Put Strongly bearish, protection or directional bet Low IV (IVR <30%) Strike minus premium Premium paid
Bear Put Spread Moderately bearish, reduce cost, define risk Any IV Strike spread minus debit Debit paid
Bear Call Spread Bearish/neutral, sell premium with defined max loss High IV (IVR >50%) Credit received Strike spread minus credit

Neutral and Volatility Strategies

Strategy When to Use IV Preference Max Profit Max Loss
Iron Condor Neutral price, range-bound High IV (IVR >50%) Full credit Wing spread minus credit
Iron Butterfly Neutral, max decay at single price point High IV (IVR >50%) Full credit Wing spread minus credit
Short Straddle Neutral, sell both call and put ATM Very High IV Full credit Unlimited (uncapped)
Long Straddle Expecting large move, unknown direction Low IV (IVR <20%) Unlimited Both premiums paid
Long Strangle Large move expected, OTM for lower cost Low IV (IVR <20%) Unlimited Both premiums paid

Strategy Selection Matrix

                        IV High (IVR >50%)       IV Low (IVR <20%)
─────────────────────────────────────────────────────────────────────
Strongly Bullish:       Bull Call Spread          Buy Call
Mildly Bullish:         Cash-Secured Put          Bull Call Spread
Neutral:                Iron Condor               Long Straddle / Strangle
Mildly Bearish:         Bear Call Spread          Bear Put Spread
Strongly Bearish:       Bear Put Spread           Buy Put
High Volatility:        Short Straddle            Long Straddle
Low Conviction:         Iron Condor               Calendar Spread
─────────────────────────────────────────────────────────────────────

5. Earnings Play Analysis

IV Crush Dynamics

  • IV rises steadily in the 2-4 weeks before earnings as uncertainty increases
  • On the day after earnings announcement, IV collapses 30-50% (volatility crush)
  • Short premium strategies capture this crush but face the binary event risk

Expected Move Calculation

Expected Move (EM) = ATM Straddle Price / Stock Price × 100

Example: Stock at $100, ATM straddle costs $7.00
Expected Move = 7.0 / 100 × 100 = 7.0%
Market implying 68% probability stock stays within +/-$7 of current price

Historical Earnings Move Analysis

  • Compare actual historical earnings moves vs. expected move at time of earnings
  • If stock regularly moves ≥ 1.5x the expected move: favor buying straddle/strangle
  • If stock regularly moves < 0.7x the expected move: favor selling premium
  • Look at last 8 quarterly earnings reactions for statistically meaningful sample

Earnings Straddle Setup

  • Buy ATM call + ATM put with same strike and expiration just before earnings
  • Profit if stock moves more than combined cost of both options
  • Optimal entry: 7-14 days before earnings

6. Risk Management

Position Sizing

  • Long options premium risk: limit to 2-5% of portfolio per trade (entire premium can be lost)
  • Short premium (credit) strategies: size to risk 1-3% of portfolio
  • Never let a single options position represent more than 10% of total portfolio market value
  • Speculative OTM long options: size even smaller (0.5-1%)

Stop-Loss Guidelines

  • Long options (debit): consider closing when position loses 50% of premium paid
  • Short options (credit): consider closing when position reaches 2x the credit received
  • Hard rule: never let a defined-risk spread reach maximum loss without reassessment

Rolling Positions

  • Roll out: buy to close current expiration, sell to open further expiration (extends duration)
  • Roll out and up/down: change both expiration and strike
  • Attempt to collect additional credit (for short options) or minimal debit

Common Mistakes to Avoid

  • Holding long OTM options to expiration hoping for recovery
  • Selling naked short puts or calls without understanding assignment risk
  • Ignoring bid/ask spread in illiquid options (wide spread = immediate cost)
  • Over-leveraging via too many contracts on speculative OTM options
  • Forgetting earnings/ex-dividend dates that create event risk

7. Options Chain Reading Guide

Key Chain Columns

  • Bid / Ask: Market-maker prices — execute near midpoint for better fills
  • Volume: Contracts traded today — high volume = active interest, easier to fill
  • Open Interest (OI): Total outstanding contracts — high OI = liquidity and tight spreads
  • IV per strike: Varies by strike (shows skew visually across the chain)

Bid/Ask Spread Importance

  • Wide bid/ask spread = illiquid options = avoid or expect significant slippage
  • Good liquidity threshold: bid/ask spread < 10% of option midprice

Volume vs. OI Interpretation

  • Volume > OI: New positions being opened
  • Large single print on low-OI strike: new speculative or informed position (unusual activity alert)
  • Volume spike with no news: potential informed positioning ahead of catalyst

Data Sources

  • Thinkorswim (TD Ameritrade / Schwab): Comprehensive options chain, Greeks, IV analysis
  • Interactive Brokers (IBKR): Options analytics, volatility trader tools
  • Tastytrade: Options-specific platform, IV rank/percentile, theta decay tracking
  • Market Chameleon: IV rank, IV percentile, term structure, earnings IV history (free)
  • Barchart Options: Options flow, unusual activity, Greeks by strike (free tier)
  • Unusual Whales: Options flow tracking, dark pool data, unusual activity scanner
  • CBOE: VIX data, volatility indices, SPX/SPY options data

Output

Provide a comprehensive options analysis report with:

1. Options Overview

Underlying:              [TICKER]
Current Price:           $XXX.XX
ATM Implied Volatility:  XX.X%
IV Rank (IVR):           XX%    (52-wk Range: XX% - XX%)
IV Percentile (IVP):     XX%
Historical Volatility:   XX.X%  (30-day realized)
IV vs. HV:               X.Xx   (Overpriced / Underpriced)
Next Earnings:           [Date] (XX days)

2. Greeks Summary (ATM Nearest Expiry)

Strike:       $XXX       Expiry: [Date]    DTE: XX
─────────────────────────────────────────
Call Greeks:  Delta +X.XX | Gamma X.XX | Theta -$X.XX/day | Vega $X.XX/1%IV
Put Greeks:   Delta -X.XX | Gamma X.XX | Theta -$X.XX/day | Vega $X.XX/1%IV
─────────────────────────────────────────
Expected Move (±1σ to expiry): $X.XX (X.X%)

3. IV Analysis Summary

  • IV vs. HV assessment (are options cheap or expensive?)
  • IVR/IVP interpretation with action bias
  • Term structure shape (contango vs. backwardation)
  • Skew assessment and directional implication
  • If near earnings: IV run-up remaining and expected crush magnitude

For each recommended strategy:

  • Strategy name and structure (which strikes, which expiry)
  • Rationale (why this strategy fits current IV and outlook)
  • Max profit / Max loss
  • Breakeven price(s)
  • Probability of profit (from delta approximation)

5. Key Levels for Options

  • Strike clustering (high OI strikes = market-recognized levels)
  • Support / resistance relevant to spread placement
  • Max pain price for nearest monthly expiry

6. Entry and Exit Guidelines

  • Suggested entry timing (DTE target, IV condition)
  • Profit target (e.g., 50% for iron condors, 75% for short spreads)
  • Stop-loss trigger
  • Adjustment plan if position moves against you

7. Upcoming Catalyst Calendar

  • Earnings date and expected move (if applicable)
  • Ex-dividend date (assignment risk for short calls)
  • Any scheduled corporate events

Signal Output

End every analysis with:

## Thesis Invalidation

After delivering the analysis signal, specify what would reverse it:

**If signal is BULLISH — thesis breaks if:**
- Price closes below the MA200 / key support level identified in this analysis on above-average volume
- IV Rank drops below 10 suggesting complacency AND put/call ratio inverts bearishly
- Macro regime shift: Fed pivots hawkish unexpectedly, recession probability >60%

**If signal is BEARISH — thesis breaks if:**
- Price closes above key resistance / MA200 level with volume confirmation
- unusual call buying >3x average AND IV skew flips to call premium
- Fundamental improvement: surprise earnings beat >20% with guidance raise

**Re-run this analysis when:**
- [ ] Next earnings release
- [ ] Price moves ±15% from current level
- [ ] 60 days have elapsed
- [ ] Material news event (acquisition, leadership change, regulatory decision)

╔══════════════════════════════════════════════╗
║              INVESTMENT SIGNAL               ║
╠══════════════════════════════════════════════╣
║ Signal:      BULLISH / NEUTRAL / BEARISH     ║
║ Confidence:  HIGH / MEDIUM / LOW             ║
║ Horizon:     SHORT / MEDIUM / LONG-TERM      ║
║ Score:       X.X / 10                        ║
╠══════════════════════════════════════════════╣
║ Action:      BUY / HOLD / SELL               ║
║ Conviction:  STRONG / MODERATE / WEAK        ║
╚══════════════════════════════════════════════╝

Score Guide: 8.0–10.0 Strongly Bullish | 6.0–7.9 Moderately Bullish | 4.0–5.9 Neutral | 2.0–3.9 Moderately Bearish | 0.0–1.9 Strongly Bearish Confidence: HIGH (strong data, clear signals) | MEDIUM (mixed signals) | LOW (limited data, conflicting signals) Horizon: SHORT-TERM (1 week–3 months) | MEDIUM-TERM (3 months–1 year) | LONG-TERM (1+ years)

Disclaimer: Educational analysis only. Not financial advice.