Rolling a winner when vol's caught a bid

When a single stock rips, the vol catches a bid alongside it. That's what makes rolling a winner awkward.

Here's the scenario.

You bought the call. The stock's gone your way. Delta and vol have both worked for you. Now you want to keep the view alive with a longer expiry, because the run doesn't look done and you don't want to give up your seat.

The trap is that you'd be buying that new option on a much higher vol than the one you originally paid.

This is a single-stock problem far more than an index one. On the index, vol usually goes the other way on a rally, so an outright roll is often fine. On a single name that's running, vol goes with the spot, and the roll costs you two ways.

The answer is to roll into a call spread instead of another outright call.

Here's what that trade actually does.

You sell some of that now-expensive vol back to the market. You keep leverage to the remaining premium. And what you give up in exchange is some of the gamma and explosiveness of the outright.

That's a trade-off I'd take when three things are true.

The name has already had a big run.

I don't know when the run stops.

I don't want to be out of the position either.

If the vol has repriced materially higher on top of all that, lightening up on the vega side of the trade makes sense.

The bigger point about rolling winners.

The structure that worked at entry might not be the right structure to keep on. The view is fine. The vol underneath it has repriced. Same view, different cost to hold.

Sometimes that's a signal to change shape. Sometimes it's a signal the leftover premium is doing enough work on its own.

How I adjust the shape of a working trade when the vol underneath it changes is one of the specific plays within my framework. When to roll into a spread. When the outright is still the right shape. What repriced vol is telling you about the move ahead.

My free 60 minutes reveals part of this framework, linked below.

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