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Bearish2 LegsDefined risk

Bear Put Spread

Buy a put and sell a lower strike put to cheapen a bearish trade. Defined cost, defined payoff, and no need for a crash to make money.

By Team Agora Circle

Written by the Agora Circle editorial team. Educational content, explained for the Indian market. Not investment advice.

Market outlook
Moderately bearish. You expect a fall toward the lower strike, not a collapse.
Setup
Buy 1 put near the money, sell 1 put at a lower strike, same expiry.
Max profit
The strike width minus the net debit paid.
Max loss
Limited to the net debit paid at entry.
Breakeven
Upper strike minus the net debit paid.
Implied volatility
Mild. The sold leg offsets most of the bought leg's volatility exposure.
Time decay
Mild headwind above the breakeven, tailwind once the index sits between the strikes near expiry.

Strategy Overview

A bear put spread, or put debit spread, buys a put and sells a second put at a lower strike to recover part of the cost. The sold leg caps the profit at its strike, and in return the trade becomes cheaper, with a breakeven closer to the current price than a lone long put could offer.

It is the tool for the most common kind of bearish view: a correction with a target. If you expect NIFTY to slip to a support zone rather than crash through it, the payoff below that zone is not something you need to own, so you sell it and let the buyer fund your trade.

Risk is the net debit and nothing more, with no margin requirement in the naked selling sense. The structure also blunts the two classic frustrations of put buying: time decay and post entry volatility crush.

How to Set It Up

Two legs, same expiry, entered together as a single spread.

  1. 1Buy 1 put (PE) at or near the current market price.
  2. 2Sell 1 put (PE) at a lower strike, typically at or just beyond your downside target.
  3. 3Pay the net debit, which is also your maximum possible loss.

Payoff Diagram and Example

Max Profit

The strike width minus the net debit paid.

Max Loss

Limited to the net debit paid at entry.

Breakeven

Upper strike minus the net debit paid.

Bear Put Spread payoff diagram024,50025,000BE 24,890Max profit +390Max loss -110ProfitLossNIFTY at expiry

Suppose NIFTY trades at 25,000 and you expect a slide toward 24,500. You buy the 25,000 PE for 200 and sell the 24,500 PE for 90. The net debit is 110 points, or Rs 8,250 per lot.

The breakeven is 24,890, versus 24,800 for an unhedged 25,000 put. Above 25,000 at expiry the full debit is lost; between 25,000 and 24,890 the loss shrinks progressively.

Below 24,890 profit builds, maxing out at 24,500: 500 points of width minus the 110 debit leaves 390 points, or Rs 29,250 per lot. A further collapse to 24,000 pays nothing extra; the sold put absorbs everything beyond the target.

Entering and Exiting

Enter both legs together as a spread with a net debit limit. The fill quality on two legs entered separately depends on luck; the spread order removes that dependence.

Exit by closing both legs at once. If the index hits the lower strike early, expect the spread to trade below its maximum width while time value remains in the sold leg; capturing most of the move early is usually wiser than waiting for the final points.

If the market rallies instead, the loss is capped at the debit. Closing early recovers some premium, and no adjustment is obligatory when the worst case was budgeted from the start.

Time Decay (Theta)

The sold put refunds a large share of the decay the bought put suffers, so waiting costs much less than with a naked long put. Above the breakeven the residual decay still works against you.

Once the index moves between the strikes near expiry, decay flips to your side: the sold leg's remaining value is bleeding faster than the bought leg's intrinsic worth. Spreads age more gracefully than single options.

Implied Volatility (Vega)

The structure is only mildly long vega. The IV expansion that usually accompanies falls will help a little, and the volatility crush after a panic hurts far less than it would a standalone put.

This makes bear put spreads a sound way to position for downside when IV is already elevated and outright puts are expensive: the rich put you sell offsets the rich put you buy.

Common Adjustments

If the fall extends beyond the lower strike with momentum, roll the spread down: close the current pair and open a fresh spread at lower strikes, converting paper gains into banked ones while staying short.

If conviction grows into a crash view, buy back the sold put to uncap the downside, turning the position into a plain long put at the cost of the buyback.

If the market bounces against you, resist stacking more debits into a failing view. The defined loss was the plan; take it and reassess.

Synthetic Equivalent

A bear put spread has the same payoff as a bear call spread at the same two strikes. It is entered for a net debit using puts rather than a net credit using calls.

It is also what a long put becomes once you sell a lower put against it, capping the downside profit in exchange for a lower cost.

Pros and Cons

Pros

  • Cheaper and closer breakeven than a lone long put.
  • Risk is limited to the net debit, with no seller style margin.
  • Largely immune to implied volatility swings.
  • Pays well on a fall to target without needing a crash.

Cons

  • Profit stops at the lower strike no matter how far the market drops.
  • Two legs, two spreads to cross, marginally higher costs.
  • Full debit is lost if the market holds or rallies.
  • Maximum payoff arrives only near expiry.

Frequently Asked Questions

When is a bear put spread better than buying a put?

Whenever your bearish view has a floor. If 24,500 is a level you expect to hold, the payoff below it is dead weight you can sell for 90 points. Keep the naked put for genuine crash scenarios where the open ended payoff is the point.

How should I select the strikes?

Buy at or near the money so the position engages with the move immediately, and sell at your downside target, often a support zone or measured move level. The width sets the personality of the trade: wide is expensive and ambitious, narrow is cheap and modest.

What is the most I can lose?

The net debit paid, plus costs, in every scenario. Both legs expire worthless together above the upper strike, and below the lower strike the two puts offset each other beyond the fixed maximum profit.

Bear put spread or bear call spread, which fits my view?

Both are moderately bearish with defined risk. The put version pays a debit and profits when the fall actually happens. The call version collects a credit and profits merely if the market fails to rally. Choose the debit spread for a move you expect, the credit spread for a ceiling you trust.

Why did my spread gain so little when NIFTY dropped 300 points on day one?

Early in the trade, both puts gain together and the sold leg cancels much of the bought leg's move; the spread's value converges to its full width only as expiry nears. The structure trades explosive early gains for a cheaper, steadier path to the same destination.

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This page is for education only. It is not investment advice, and nothing here is a recommendation to buy or sell any instrument. Options involve substantial risk, and option sellers can lose far more than the premium they receive. Please do your own research or consult a SEBI registered investment adviser before trading. Read our full disclaimer.

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