10-20 Range>50 Greater<20 Less>=80 Min<=30 MaxCalendar days until option expires
Price at which you'd buy shares if assigned
Current market price of the stock
Mid price received per share for selling put
Contracts traded today
Total open contracts outstanding
Number of contracts at bid/ask price
1 - abs(Delta)
(Premium / Strike) * (365 / DTE)
(abs(Theta) / Strike) * 365
abs(Theta / Vega) / IV
% of past year days with IV below current
Current IV% - RV Forecast (HAR model)
14-period momentum oscillator (0-100)
CBOE Volatility Index - market's 30-day IV expectation. <15 calm, 15-20 normal, 20-30 elevated, >30 fear
Contango (VIX < VIX3M) = normal, futures priced higher. Backwardation (VIX > VIX3M) = stressed, near-term fear
HAR model forecast of SPY's 22-day realized volatility using 1d, 5d, 22d vol components
VIX - SPY RV Forecast. Positive = IV overpriced vs expected realized vol
VRP >3%, VIX <30, Contango. Favorable for premium selling - full position sizing
VRP <3%, VIX 20-30, or Backwardation. Reduce position sizes, be selective
VRP <0 or VIX >40. Avoid new positions - IV underpriced or extreme stress
Stock Price / Earnings Per Share
P/E Ratio / Annual EPS Growth Rate
Next earnings announcement date
âš = Earnings before expiration. Use filter to exclude earnings risk
Spot × IV × √(DTE/365). 1-sigma move (~68% probability range)
(Spot - Strike) / EM. Values >1.0 = strike outside 1σ expected move
14-day ATR. Measures typical daily price movement range
(Spot - Strike) / ATR. Values >2.0 = strike 2+ normal days away
Lowest price in past year. Strike below = historical floor protection
Average of last 50 daily closes. Key institutional support level
ATM Call + ATM Put (straddle price)
Straddle Price / Underlying Price × 100
Put Premium / Expected Move. Higher = better risk/reward
Average absolute % move over last 4 earnings
Hist Avg / Exp Move%. >1 = stock historically gaps more than expected
Trading days until earnings announcement
Days from earnings to option expiration