If a bull call spread is the defined-risk way to express a moderately bullish view, a bear put spread is its direct counterpart for a moderately bearish one. The logic is identical, just flipped.
What Is a Bear Put Spread?
A bear put spread involves buying a put at a higher strike price and simultaneously selling a put at a lower strike price, both with the same expiration date. The premium collected from the short put lowers the overall cost of the trade compared to buying the higher-strike put alone.
The Mirror Image of a Bull Call Spread
Everything about a bear put spread mirrors the bull call spread, just for a bearish view instead of a bullish one: you pay a net premium upfront, your maximum loss is that premium, and your maximum profit is capped at the width between the two strikes minus what you paid. If the mechanics of one make sense, the other follows directly by flipping direction.
A Worked Example
A stock trades at $80. You believe it will decline moderately over the next month. You buy one put at the $80 strike for a $3.50 premium ($350), and sell one put at the $70 strike for a $1.00 premium ($100) — a net cost of $2.50 ($250 total).
- If the stock falls to $70 or lower at expiration: Your long put is worth $10 (80 − 70) at that point, giving a maximum profit of $10 − $2.50 = $7.50 per share, or $750 total.
- If the stock stays at $80: Both options are worthless or close to it, and you lose your $250 net cost.
- If the stock rises instead: Same result — your loss is capped at the $250 paid, regardless of how far the stock climbs.
Maximum Profit, Maximum Loss, Breakeven
- Maximum profit = (difference between the two strikes) − (net premium paid). In the example: $10 − $2.50 = $7.50 per share.
- Maximum loss = the net premium paid. In the example: $2.50 per share, or $250 total.
- Breakeven = the higher strike − the net premium paid. In the example: $80 − $2.50 = $77.50.
If you understand a bull call spread, a bear put spread requires no new concepts — only flipping "buy low strike, sell high strike calls" into "buy high strike, sell low strike puts." Learning both together reinforces the underlying spread logic rather than treating them as two separate things to memorize.
When Traders Use This Strategy
A bear put spread fits a moderately bearish view with a rough sense of how far the stock might fall — similar in spirit to how a bull call spread fits a moderately bullish one. It's a common choice ahead of an event a trader expects to pressure a stock lower, when the trader wants defined risk rather than the larger cost and theoretically larger loss potential of a single long put purchased outright.
Bear Put Spread vs. Buying a Put Alone
Buying a single put costs more but keeps a larger (though still capped, since a stock can only fall to zero) profit potential if the decline is bigger than expected. A bear put spread costs less and defines the maximum loss more tightly, at the expense of capping the profit at a lower level. As with the bull call spread, the right choice depends on the size of the move you actually expect — using a spread for a view you expect to be small and moderate, and a single option when you're positioning for a larger, less certain move.
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