Strip Calculator

By Yojana Mandon · Updated June 2026 · 2 min read · Risk disclaimer

A strip is a straddle tilted bearish: one long call and two long puts at the same strike. It profits from a large move in either direction, but earns more if the stock falls than if it rises.

⧉ Embed this free calculator on your site →

Key characteristics

• One long call + two long puts at the same strike (a 2:1 straddle).
• Long volatility with a bearish lean.
• Profits from a big move either way; bigger payoff on a decline.
• Defined risk — the most you lose is the total premium paid.

When to use a strip

Use a strip when you expect a large move and think the downside is more likely or larger — for example into a risk event where a drop would be sharper than a rally. It is the bearish mirror of the strap.

Like the strap, it needs a real move to pay for three options, so it suits situations with a near-term catalyst and reasonable implied volatility.

How the payoff works

On a fall, the two puts give double the downside payoff of a plain straddle. On a rise, the single call still profits, just less. The maximum loss is the premium, reached if the stock pins the strike.

There are two breakevens — a closer one below and a wider one above — reflecting the bearish weighting.

On the Greeks, the Strip is vega-positive — rising implied volatility helps it, while an IV crush works against you, and theta-negative, so time decay erodes it and the move needs to come reasonably soon.

Managing the trade and common mistakes

Once a strip is on, the position already carries a negative delta — you are not neutrally long volatility the way a straddle is. On a sharp down move, the two puts accelerate quickly and many experienced traders take partial profits by selling one put once it has doubled, leaving a synthetic straddle that still benefits if the stock continues lower or reverses sharply. On an up move the single call gains, but more slowly; if the call doubles and the stock stalls, closing the whole position early is usually the right call because theta will start working against all three legs. Rolling the puts down after a significant decline is a common adjustment: it locks in some intrinsic value and resets your downside exposure at a lower strike, though it adds cost and should only be done when you still believe volatility will remain elevated.

The mistakes beginners make with a strip tend to cluster around two blind spots. First, they overlook the steeper breakeven on the upside — because you paid for three options instead of two, the stock has to rally further than in a plain straddle just to cover the extra premium. Buying a strip when bearish skew has already pushed put implied volatility well above call implied volatility compounds this problem: you are effectively paying a premium for a directional bet the market has already priced. Second, beginners often leg out poorly — selling both puts after a down move and holding the lone call, which then behaves like an expensive long call with very little time left. Unless you have a specific reason to stay long the upside, close all three legs together.

At expiration the strip's double put position creates a nuance that does not exist in a straddle: if the stock finishes below the strike and both puts are in-the-money, automatic exercise will leave you short 200 shares, not 100. Most brokers exercise both puts automatically unless you instruct otherwise, so check your broker's exercise policy and act before the close on expiration day if you do not want the stock position. Liquidity can also be thinner for the puts than for the call, especially in names with wide bid-ask spreads; price each leg individually and use limit orders rather than relying on the combined mid-price of all three contracts.

Calculate it live

Use the free OptionProfit Strip calculator to load a live option chain, build the trade, and instantly see the payoff chart, breakevens, probability of profit, Greeks and a Monte Carlo simulation of outcomes.

Frequently asked questions

Educational use only. Quotes are delayed ~15 minutes and nothing here is financial advice. Options trading involves substantial risk of loss. Privacy Policy · Terms & Conditions.