The idea

Expect Nifty to fall to 24,700 by Tuesday. Buying naked put costs โ‚น200. Instead:

Smaller net cost, capped upside at target, better risk/reward.

Bear put spread โ€” profit capped at lower strike, loss capped at debitProfitLoss
SPOT25,00024,50022,00023,37524,75026,12527,500-200-13175363550
At Spot (25,000)
โ‚น-75
Strikes
25,000 / 24,500

Mirror of the bull call spread. Above the higher strike: max loss = debit paid. Below the lower strike: max profit = spread width โˆ’ debit.

What would this have done on real Nifty?

Detailed worked example

Example

Nifty 25,000 / 24,700 bear put spread

Nifty at โ‚น25,000. Expect drop to 24,700 by Tuesday.

  • Buy 1 ร— 25,000 PUT at โ‚น200 โ†’ cost โ‚น13,000 (200 ร— 65)
  • Sell 1 ร— 24,700 PUT at โ‚น80 โ†’ collect โ‚น5,200 (80 ร— 65)
  • Net debit: โ‚น7,800
Bear put spread payoffProfitLoss
SPOT25,00024,70022,20023,52524,85026,17527,500-11k-4k2k8k15k
At Spot (25,000)
โ‚น-7,800
Strikes
25,000 / 24,700

Max profit โ‚น11,700 (Nifty โ‰ค 24,700), max loss โ‚น7,800 (Nifty โ‰ฅ 25,000), break-even 24,880, R/R 1 : 1.5 โ€” favorable.

Formulas

Bear put spread math

Net debit = Long put โˆ’ Short put premium

Max profit = (Long โˆ’ Short strike) ร— Lot โˆ’ Debit ร— Lot

Max loss = Total debit

Break-even = Long strike โˆ’ Debit per share

When to use / not

Use: moderate bearish view with target, high IV, defined risk preferred, alternative to shorting.

Skip: crash-expectation (naked put better), very short expiry, underlying already dropped.

Choosing strikes

Vs naked long put

Long putBear put spread
Costโ‚น15,000โ‚น9,000
Break-even24,80024,880
Max profitLarge (unbounded)โ‚น13,500
Max lossโ‚น15,000โ‚น9,000

Save 40% cost, closer BE, cap max profit at spread width.

Bear CALL spread โ€” credit version

Advanced Bear call spread โ€” same view, opposite structure

Same bearish view built with calls, as CREDIT spread.

Structure

  • Sell OTM call (collect)
  • Buy further-OTM call (protection)
  • Net credit upfront

Example

Nifty at 25,000, bearish.

  • Sell 25,300 CALL at โ‚น75 โ†’ +โ‚น5,625
  • Buy 25,500 CALL at โ‚น30 โ†’ โˆ’โ‚น2,250
  • Net credit: โ‚น3,375

Max profit โ‚น2,925 (below 25,300). Max loss (200 โˆ’ 45) ร— 65 = โ‚น10,075 (above 25,500). Break-even 25,345. R/R 3.4:1 against.

Debit vs Credit โ€” pick by IV

  • Low IV (< 30): Bear PUT spread (buy cheap premium)
  • High IV (> 60): Bear CALL spread (sell rich premium)
  • Mid: Either

Full four-vertical matrix

BullishBearish
DebitBull CALLBear PUT โœ“
CreditBull PUTBear CALL

Any directional view expressible with defined risk, IV-optimized.

Follow-up action

Advanced Bear put spread adjustment recipes

Scenario 1: Broke below short strike early (max profit region)

  1. Close and take profit โ€” recommended.
  2. Convert to butterfly by selling further-OTM put โ€” locks profit + room.
  3. Hold to expiry โ€” only for tiny positions.

Scenario 2: Sideways in middle

  1. Close, salvage residual value.
  2. Hold to expiry โ€” theta helps modestly.

Scenario 3: Rallied against you

  1. Cut losses at 50% of debit.
  2. Let expire โ€” loss capped.
  3. Roll to next expiry (rarely worth it).

50-75% and 21-DTE rules

  • Close at 50-75% max profit
  • Close/roll monthly spreads at 21-DTE regardless of P&L

Position sizing

Formula

Max risk = Account ร— 2% Max lots = Max risk รท (Debit ร— Lot)

Example: โ‚น5L, 2% = โ‚น10K. Debit โ‚น120/share ร— 65 = โ‚น7,800/lot. Max lots: 1 lot.

Pre-trade checklist

Summary