When does an option actually stop trading, and what happens when expiration arrives? Mark Longo and Dan Passarelli trace how the calendar grew from monthly expirations to weeklies, daily SPX options, and Monday and Wednesday expirations in select stocks and ETFs.

Along the way, they explain why traditional SPX monthly options can stop trading on Thursday yet settle on Friday morning, how cash settlement differs from physical settlement, and why expiration day can catch traders off guard. They also share stories from the trading floor and answer listener questions.

Yacht rock piracy meets options strategy on this episode of Options Boot Camp.

Mark Longo and Dan Passarelli break down Dan's "net zero roll" for cash-secured puts, including how traders can roll down and out while targeting little or no net premium on the adjustment. They also tackle a fresh batch of listener questions covering how implied volatility can help determine whether to buy calls, sell puts or use call spreads; how much open interest and volume really matter when selecting a strike; what steep put skew can reveal when VIX isn't moving; and whether traders put too much emphasis on dealer gamma positioning.

Plus, the Boot Camp crew digs into pin risk in the era of daily and short-dated expirations, looks at which options strategies might deserve the full book treatment, checks in on the latest 0DTE butterfly poll results and, naturally, investigates Dan's alleged yacht rock piracy on the Chicago River.

The iron butterfly is getting a 0DTE makeover.

On this episode of Options Boot Camp, Mark Longo is joined by Dan Passarelli and John Kmiecik from Market Taker Mentoring for a deep dive into the growing world of zero-days-to-expiration iron butterflies.

Why are traders turning to this classic options strategy for ultra-short-term trades? John breaks down how he approaches 0DTE iron butterflies, including timing his entry after the open, choosing spread widths, setting profit targets, managing risk, and taking advantage of changes in implied volatility and time decay.

The crew also explores 0DTE double calendars, whether these strategies could work in single-stock options, managing a calendar that has moved away from its strike, and the most overrated advice in options trading.