Rolling a spread: defending without doubling down
Define what rolling means, walk through a credit-spread roll, and recognize when rolling is — and isn't — the right move.
Lesson path
Options, Risk Math, and Psychology
Vertical Spreads
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Define what rolling means, walk through a credit-spread roll, and recognize when rolling is — and isn't — the right move.
Defending vs doubling down
Spreads sometimes go wrong. The stock moves through your short strike. Your $120 credit is now a $250 unrealized loss. You have three choices: take the loss, hold and hope, or ROLL. Rolling means closing your current spread and opening a new one at different strikes, a later expiry, or both. Done thoughtfully, rolling buys you time. Done thoughtlessly, it just adds more risk on top of a broken thesis.
Three common rolls. Out-only: same strikes, push expiry further out. This gives more time for the original thesis to play. Up or down: same expiry, move the strikes further from danger. This shifts the breakeven away from where the stock is now. Out-and-out: both — new strikes AND new expiry. The most flexible roll, and the one that gives you the best shot at collecting a net credit.
Worked example. You sold a $95/$90 bull put spread for $1.20 credit. Stock dropped from $100 to $94. Your spread is now worth $2.20 to buy back — a $100 unrealized loss. Rolling it 30 days out and dropping the strikes to $90/$85 might collect $1.40 credit. Net result: you closed the first spread at a $1.00 loss but added $1.40 in new credit, for a net $0.40 gain over the cycle. AND your new breakeven is $88.60, which is further below current price. Time and breakeven both reset in your favor.
Now the warning. Rolling does NOT fix a broken thesis. If you sold that bull put spread on a stock that's reporting weak fundamentals and trending hard downward, rolling lower just exposes you to more downside on a stock you no longer should be bullish on. The discipline: before you roll, re-ask the original question. Why did I open this spread? Is that reason still valid? If yes, roll. If no, take the loss and move on.
Recap: roll = close current spread + open new at safer terms. Three flavors — out, up/down, out-and-out. Roll for credit only, and only if thesis still holds. Rolling for debit on a dead thesis is doubling down.
Knowledge check
Answer before moving on.
1. Your bear call credit spread is threatened — stock rallied close to your short strike. You're considering rolling. Which roll best DEFENDS the position without adding capital risk?
2. Which scenario is the WRONG time to roll a losing credit spread?
3. You sold a $1.20 credit spread. To close it now would cost $2.50. You roll to a new spread that collects $1.00 credit. What's your net P/L across the cycle?
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