When to Close a Short Put: A Framework for

Start with the economic exposure

• Option premium is compensation for accepting contractual and market risk, not a guaranteed yield.
• Evaluate the underlying exposure, assignment value and realistic downside before focusing on the credit received.
• A position that looks modest in isolation can become significant when combined with correlated portfolio exposure.

Understand what changes after entry

• Underlying price, time to expiration and implied volatility can all change the option's value.
• Buying-power requirements and liquidity can also change during market stress.
• A high probability estimate or recent winning streak does not cap the size of a future loss.

Make the decision repeatable

• Define eligible underlyings, expiration, strike selection and position size before entry.
• Know how earnings and other binary events fit the plan.
• Document profit management, assignment and de-risking rules rather than improvising them under pressure.

Judge the portfolio, not only the trade

• Measure concentration by economic exposure rather than contract count alone.
• Maintain liquidity for adverse scenarios instead of optimizing every dollar of buying power.
• Evaluate results across full market regimes, including periods when volatility and correlations rise together.

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