IV Rank vs IV Percentile
Nov 7, 2025 · 12m
Summary
This episode explores how IV crush can erode option profits even when directional predictions are correct, emphasizing the need to understand implied volatility dynamics. The hosts explain the distinct roles of IV Rank and IV Percentile, using them as complementary tools to identify when volatility is historically stretched and likely to collapse. They demonstrate how combining high readings on both metrics with upcoming catalysts like earnings or Fed meetings creates optimal conditions for selling premium. The discussion covers practical platform tools for tracking these indicators and war…
Topics discussed
The frustration of winning direction but losing money
Introducing IV crush as the silent killer
Episode goals: IV Rank and IV Percentile
Defining Implied Volatility and event risk
Why IV crush overwhelms directional gains
Introducing IV Rank and IV Percentile
IV Rank: Definition and 52-week range
Calculating IV Rank with a practical example
Interpreting high and low IV Rank levels
The rubber band analogy for volatility
IV Percentile: Frequency-based context
How percentile corrects rank distortion
Comparing rank vs percentile for context
Combining metrics for trading decisions
The golden signal: High Rank + High Percentile
Earnings scenario: Anticipating the crush
Buyer vs Seller outcomes during IV crush
FOMC days and SPX options opportunities
Platform tools: TOS and TastyWorks
Screening tools and practical watchlists
Pitfall 1: Confusing absolute vs relative IV
Pitfall 2: Relying solely on IV Rank
Pitfall 3: Selling without defined risk
Conclusion: The dashboard analogy
Final takeaway: Focus on the crush
Outro and subscription call to action
Listen ad-free on Castria