The 30–45 days-to-expiration window is the sweet spot for selling premium — it balances theta decay, premium size, and capital flexibility.
Why 30–45 Days?
Time decay (theta) accelerates as expiration approaches. Selling at 30–45 DTE captures the steepest part of that decay while still collecting a meaningful premium. Shorter expirations pay less; longer ones tie up capital too long.
Theta Acceleration
Theta is slow in the first weeks of a contract and rapid in the final weeks. Entering at 30–45 DTE positions you to benefit from that acceleration without suffering the gamma risk of the last few days.
Management at 21 DTE
WSP manages positions around 21 DTE — closing for a profit or rolling — to avoid the late-stage volatility that can turn a winning trade into an assignment. This keeps capital rotating and risk controlled.
Key Takeaways
- 30–45 DTE captures peak theta decay.
- Avoid the gamma risk of the final days.
- Manage near 21 DTE to lock profits and redeploy capital.