Expiration week is when iron condors get interesting — and dangerous. The last five trading days are when theta decay is fastest, but gamma risk also peaks. A 1% move that barely affected your P&L at 30 DTE can swing it by 30-40% at 3 DTE.

Why Expiration Week Is Different

Theta acceleration: An iron condor worth $0.50 with 5 DTE might decay to $0.25 by Wednesday and $0.10 by Thursday afternoon. The final days of theta decay are the fastest.

Gamma explosion: Gamma measures how quickly delta changes. Near expiration, gamma is at its highest, especially for options near the money. This means your position's delta (and P&L) can swing wildly with small stock moves.

Pin risk emerges: If the stock is near a short strike, you face assignment risk on American-style options.

The Decision Framework

Scenario 1: Iron Condor Is Profitable (50%+ of Max)

If P&L is above 50% of max profit with 5 DTE: Close the position. The math heavily favors taking profit here. You're risking $200+ of profit to capture the remaining $80-100. Theta decay in the final week is fast, but gamma risk makes the risk/reward unfavorable.

If P&L is at 75%+ of max profit: Definitely close. You've captured three-quarters of the available premium. The remaining 25% isn't worth the gamma risk.

Scenario 2: Iron Condor Is Slightly Profitable (20-50% of Max)

This is the toughest spot. You haven't captured enough profit to feel good about closing, but you're not losing money.

My approach:

  • Monday/Tuesday (5-4 DTE): Hold and monitor. Theta is working hard for you.
  • Wednesday (3 DTE): If you've hit 50% by now, close. If not, set a firm target.
  • Thursday (2 DTE): Close unless you're very comfortable. The risk isn't worth the reward.
  • Friday (1 DTE): Close by noon. Never hold through Friday close.

    • Scenario 3: Iron Condor Is Breakeven or Slightly Losing

    If the stock is between your short strikes but close to one: Close the entire position. The stock being near a short strike with high gamma means any move in the wrong direction will accelerate your losses rapidly.

    If the stock is centered and you're losing due to high IV (not directional movement): Hold through Tuesday and reassess. IV often contracts as expiration approaches, which helps your position.

    Scenario 4: Short Strike Is Being Tested

    Action: Close the tested spread immediately. Don't roll during expiration week — there isn't enough time for a roll to work. Take the loss and preserve capital.

    If only one side is being tested, you can close just that side and let the profitable side expire worthless (or close it for a few cents).

    The "Close by Noon Friday" Rule

    Never hold an iron condor through Friday's close. Here's why:

  • After-hours assignment risk: Options can be exercised up to 5:30 PM ET on expiration day, 90 minutes after the market closes. Stock can move significantly in those 90 minutes.
  • Auto-exercise rules: Options that are $0.01 or more ITM are automatically exercised unless you instruct your broker otherwise.
  • Weekend gap risk: If you're assigned Friday evening, you hold stock over the weekend. Monday's open could gap either direction.

    • Rolling During Expiration Week

    Rolling (closing the current position and opening a new one in the next expiration) is generally a bad idea during expiration week unless:

  • The position is profitable and you want to "re-up" into the next cycle
  • You're rolling the entire iron condor, not just one side
  • The credit from the new position justifies the additional risk

    • Rolling the tested side alone during expiration week rarely works because you're closing a high-gamma position (expensive) and opening a lower-gamma position (cheaper).

    My Expiration Week Checklist

  • Monday open: Review all iron condors expiring this week. Set profit targets and stop losses.
  • Each morning: Check if any short strikes have moved to 30+ delta. If so, close that side.
  • Wednesday close: Any position below 50% profit gets closed or rolled to next month.
  • Thursday close: Everything should be closed unless it's deep OTM and essentially worthless.
  • Friday noon: Final deadline — close everything remaining.

    • This systematic approach has saved me from countless expiration-day disasters. The few dollars left on the table are insurance against assignment headaches.