Bear Put Spread at a glance
| Construction | Buy 1 at the money put and sell 1 put two strikes below the money, both in the front month expiration. |
|---|---|
| Outlook | Bearish |
| Volatility view | IV neutral |
| Max profit | Higher strike minus lower strike minus net debit, times 100. |
| Max loss | Net debit paid times 100. |
| Breakeven | Higher strike minus net debit per share. |
| Experience level | Beginner |
| Also called | Long put spread, Put debit spread |
How a bear put spread works
The long put is your bearish position, and the short put sells away the part of the decline you do not expect to capture. Equity options usually carry a volatility skew that makes lower strike puts relatively expensive, so the put you sell can recover a meaningful share of what you paid. The result is a cheaper, more targeted bearish trade with the net debit as your maximum loss. In exchange, you give up any profit from a decline below the lower strike.
At expiration, above the higher strike both puts expire worthless and you lose the debit. Between the strikes the long put gains a dollar for each dollar the stock falls. Below the lower strike the gains on the long put are offset by losses on the short put, so profit is flat at its maximum: the width between the strikes minus the debit. The breakeven is the higher strike minus the debit.
Before expiration the spread reacts less to the stock than a single put. With the stock at the long strike, it carries a small amount of negative theta and positive vega. As the stock falls toward the short strike, theta turns positive and vega negative, because the short put now holds most of the remaining time value. Since implied volatility often rises in a selloff, that flip can slow your gains until expiration nears and the short put's time value fades.
Bear Put Spread example with real numbers
With the stock at $100, implied volatility at 30%, a 4.1% risk free rate and no dividend, you would buy 1 100 put (32 days) at $3.39, sell 1 95 put (32 days) at $1.43. That is a net debit of $196. At expiration a maximum profit of $304 and a maximum loss of $196, with a breakeven at $98.04. The lognormal chance of profit is 41%.
These are theoretical American option prices from the Bjerksund and Stensland model, not live quotes. Load any ticker in the bear put spread calculator above to run the same math on real market prices.
When to use a bear put spread
- You expect a moderate decline to around the lower strike by expiration.
- Put premiums look expensive and you want to cut the cost of a bearish trade.
- You want defined risk without short selling or naked option exposure.
- You want to hedge a portfolio against a measured pullback rather than a crash.
Max profit, max loss and breakeven
Maximum profit
Higher strike minus lower strike minus net debit, times 100. You earn it when the stock closes at or below the lower strike at expiration.
Maximum loss
Net debit paid times 100. This occurs if the stock closes at or above the higher strike at expiration, when both puts expire worthless.
Breakeven
Higher strike minus net debit per share. The stock must close below this price at expiration for the spread to profit.
Bear Put Spread Greeks
- Delta: Delta is negative and smaller in size than a single long put. It is strongest with the stock between the strikes.
- Gamma: Gamma is positive near the higher, long strike and negative near the lower, short strike.
- Theta: Theta is slightly negative at entry and turns positive as the stock falls toward the short strike.
- Vega: Vega is modest: positive with the stock near the long strike and negative near the short strike.
See the live numbers for your position in the Greeks tab of the calculator, or explore a single option in the options Greeks calculator.
Early exercise and assignment risk
The short put is the leg exposed to early assignment. If the stock falls well below the lower strike, the short put goes deep in the money with almost no time value, and its holder may exercise early to collect the strike in cash. You then own 100 shares per contract at the lower strike. Your long put still protects you: exercise it to sell those shares at the higher strike and you realize the spread's full width, which is the maximum profit. Make sure your account can carry the shares briefly if needed.
Dividends make early assignment of the short put less likely before an ex dividend date, because put holders benefit from the expected drop, and more likely right after it. Exercising your own long put early can make sense when it is deep in the money near expiration, but closing the whole spread usually captures the same value with less friction. Pin risk sits at the lower strike: if the stock closes near it, your long put is exercised and you may or may not be assigned, which can leave an unexpected short stock position.
The calculator's Early exercise risk tab flags short legs that are likely to be assigned. For a single option, use the early exercise calculator or read how early exercise and assignment work.
Pros and cons
Pros
- Risk and reward are defined from the start.
- Cheaper than a long put, with skew often helping on the short leg.
- No need to borrow shares or carry unlimited risk.
- Less exposed to a volatility collapse than a single long put.
Cons
- Profit stops at the lower strike, so a crash does not pay more.
- Full value usually arrives only near expiration.
- Two bid ask spreads to cross on entry and exit.
- Pin risk near the lower strike can leave you with an unwanted short stock position.
How to manage a bear put spread
- Set the lower strike near your downside target and keep the long strike near the current price.
- Take profits once most of the width is captured, especially after a fast drop with high volatility.
- If the stock rallies above the long strike, decide early whether to close before decay erodes the debit.
- Close the spread before the final session if the stock is near the short strike.
Bear Put Spread FAQ
Bear put spread vs long put: what is the difference?
A bear put spread costs less than a long put and has a breakeven closer to the current price, but its profit is capped at the lower strike. A long put keeps profiting all the way down to zero. The spread suits a measured decline to a target, while the long put suits a sharp drop.
What is the maximum loss on a bear put spread?
The maximum loss on a bear put spread is the net debit paid, times 100. It occurs if the stock closes at or above the higher strike at expiration. Early assignment of the short put does not raise that loss, because your long put can sell the assigned shares at the higher strike.
Is a bear put spread a credit or debit spread?
A bear put spread is a debit spread: you pay more for the higher strike put than you collect for the lower strike put. The net debit is your maximum risk. Its credit spread counterpart is the bear call spread.
How do I choose strikes for a bear put spread?
Choose a bear put spread's long strike near the current price and its short strike near where you expect the stock to fall. A wider spread costs more but offers more profit potential, while a narrower one is cheaper with a lower ceiling. The calculator's P/L table shows how each choice changes your risk and reward.
Related strategies
Long Put
A long put is the purchase of a single put option, which gives you the right to sell 100 shares at the strike price on or before expiration.
Bear Call Spread
A bear call spread is a two leg credit spread that sells a call and buys a higher strike call in the same expiration.
Bull Call Spread
A bull call spread is a two leg debit spread that buys a call and sells a higher strike call in the same expiration.
Put Ratio Spread
A put ratio spread buys one put and sells two lower strike puts in the same expiration, and it profits most when the stock falls to the short strike at expiration.
Educational tool, not financial advice. Calculations are theoretical and depend on your inputs; real fills, fees, early assignment and dividends can change results. Options involve risk and are not suitable for every investor.