Glossary · reference sheet · Options
Options Greeks
Delta, theta, vega, IV — what each number does to your position.
Core Greeks
IV context
- IV rank(IV − 1y low) ÷ (1y high − low). Sell >~50%, buy <~25% (heuristics).
- IV crushPost-event IV collapse — long options can lose despite right direction.
- Event calendarKnow earnings/CPI/Fed dates before any option entry.
Guardrails
- 30–45 DTEStandard income cadence — decay captured without terminal-week risk.
- Defined riskSpreads over naked shorts until assignment management is routine.
How to use this sheet
Read a row as a claim, not a fact: the term, what it means, and the condition that makes it matter. Each term has its own page, and the lessons it belongs to are linked from there.
Learn content is for education only — not individualized financial advice, a recommendation, or a solicitation to buy or sell any security. Options involve substantial risk. Examples are simplified and historical patterns never guarantee future results.