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Bear put spread calculator

Bearish debit. Buy a put and sell a lower put to cheapen the long.

OutlookBearish
Max profitLimited
Max lossLimited
LevelIntermediate

What is a bear put spread?

A bear put spread profits as the stock falls toward the short put. Max loss is the debit. Max profit is the width minus that debit.

Legs

  1. Buy a put at strike A
  2. Sell a put at strike B
Profit
Payoff at expiration, sketched. The live example below has the real prices.

Live example on SPY

Bear Put Spread

SPY · Dec 18
Net debit$69.50
Max loss$69.50
Max profit$130.50
Chance of profitLocked: ProUpgrade
BreakevenBelow $754.31 (−0.2%)At expiration
  • 755P+112/18 · $16.18
  • 753P−112/18 · $15.48
SPY · Oct 30, 2026, 3:59 PM ET

With SPY at 755.53, on the Dec 18 expiration (49 days out): buy 1 755 put and sell 1 753 put. Net debit $69.50. Max profit $130.50; max loss $69.50. Breakeven at expiration: Below $754.31 (−0.2%).

Open this bear put spread in the calculator to move the strikes, change the date and implied volatility, and read profit and loss by price and date.

Questions

What is a bear put spread?
A bear put spread profits as the stock falls toward the short put. Max loss is the debit. Max profit is the width minus that debit.
When does a bear put spread make money?
Bearish debit. Buy a put and sell a lower put to cheapen the long.
What is the max profit of a bear put spread?
Limited: there is a ceiling on what it can make. The calculator gives the figure for your strikes and expiration.
What is the max loss of a bear put spread?
Limited: there is a floor under what it can lose. The calculator gives the figure for your strikes and expiration.
How do I calculate a bear put spread's profit and loss?
Open the bear put spread in the strategy calculator. It places the legs on a real expiration, and you can drag the strikes, change the date, and read profit and loss by price and date, with max profit, max loss, and the breakevens.