Strategy guide
How to Set Up and Manage a Bull Put Spread
Bullish credit spread. Sell a put, buy a lower put — collect premium with defined risk. ~70% win rate at entry.
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What is a Bull Put Spread?
A bull put spread is a bullish credit spread where you sell a put at a higher strike and buy a put at a lower strike, collecting a net credit. You profit if the stock stays above the short strike at expiration.
Quick take. Bull put spreads offer defined risk, high probability of profit, and work well in neutral-to-bullish markets with moderate IV.
A bull put spread sells a higher-strike put and buys a lower-strike put, profiting if the stock stays above the short strike — a defined-risk way to express a bullish or neutral view for a net credit.
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Best stocks for credit spreadsBull Put Spread at a Glance
- Strategy type
- Bullish / Income (credit spread)
- Legs
- 2 (sell OTM put + buy further OTM put)
- Max profit
- Net credit received
- Max loss
- Spread width minus credit received
- Typical win rate
- 60-75% (at 20-30 delta short strike)
- Ideal IV environment
- High IV, collect more premium per spread
- Best DTE
- 30-45 days to expiration
- Difficulty
- Beginner to Intermediate
- Capital needed
- $200-$1,000 per spread
What is a Bull Put Spread?
A bull put spread is a bullish credit spread that profits when a stock stays above a certain price. You sell a put option (collecting premium) and buy a lower-strike put option (for protection), creating a vertical spread with defined risk and limited profit.
It's called "bull" because you want the stock to go up (or stay flat), and "put spread" because you're trading puts. The "credit" means you receive money upfront, and this is your maximum profit. Your risk is limited by the long put you buy.
The Structure
Step 1: Sell put (higher strike). Sell an OTM put to collect premium. Example: sell $95 put for $2.00.
Step 2: Buy put (lower strike). Buy a further OTM put for protection. Example: buy $90 put for $0.80.
Net credit: $1.20 per share ($120 per spread). This is your maximum profit.
Risk/Reward Profile
- Max profit
- Credit collected ($120)
- Max loss
- Spread width − credit ($5 − $1.20 = $380)
- Breakeven
- Short put − credit ($95 − $1.20 = $93.80)
- Profit if
- Stock stays above $95 at expiration
- ROI
- $120 profit / $380 risk = 31.6%
Why Trade Bull Put Spreads?
- Cheaper than buying stock: Less capital required, still profit from bullish moves
- Defined risk: Know your max loss before entering (unlike naked puts)
- Time decay works for you: Positive Theta, earn money daily as options decay
- High probability: 70-75% win rate with proper strike selection
- Flexibility: Don't need stock to rally, just stay above strike
Real Example: Bull Put Spread on AAPL
The setup
- Stock
- AAPL trading at $185
- Outlook
- Bullish, expect $185+ in 30 days
- Support level
- Strong support at $175
- IV rank
- 62
- Days to expiration
- 35 DTE
- Strategy
- Bull Put Spread
- Spread width
- $5
The Trade
Sell: 1 AAPL $180 put @ $2.80
Buy: 1 AAPL $175 put @ $1.50
Net credit: $1.30 per share = $130 total
Max profit scenario
If AAPL ≥ $180 at expiration: both puts expire worthless and you keep the full credit collected.
Profit: $130 (28.9% ROI)
Risk analysis
- Max loss
- $370
- Breakeven
- $178.70
- % below current
- 3.4%
- Buffer
- $6.30 to short strike
- POP
- ~73%
Outcome 1: AAPL at $188 (stock rises)
Stock rallied $3. Both puts expire worthless.
Result: keep full $130 credit (28.9% return in 35 days)
Outcome 2: AAPL at $181 (small move)
Stock stayed relatively flat. Short put expires OTM.
Result: keep full $130 credit (28.9% return)
Outcome 3: AAPL at $179 (through short strike)
Stock dropped slightly below short strike. $180 put worth $1, $175 put worthless.
Result: -$100 + $130 credit = $30 profit, still a winner
Outcome 4: AAPL at $170 (large drop)
Stock crashed. $180 put worth $10, $175 put worth $5. Max loss scenario.
Result: -$500 + $130 credit = -$370 loss, and the loss is capped
How to Construct a Bull Put Spread: Step-by-Step
- Confirm bullish outlook. Ensure you're moderately bullish on the stock. Look for an uptrend or consolidation above support, positive technical indicators, support levels below current price, and a bullish fundamental or technical setup.
- Review implied volatility. Implied volatility affects the premium collected on the spread.
- Select expiration (30-45 DTE). 30-45 days to expiration balances Theta decay with enough time for your thesis to play out.
- Choose short put strike. Select based on your risk tolerance and desired probability: 16 delta gives 84% POP (conservative, lower premium), 25 delta gives 75% POP (balanced, recommended), 30-35 delta gives 65-70% POP (aggressive, higher premium).
- Determine spread width. Common spread widths are $5-10. $5 wide means higher ROI and less buffer; $10 wide means more safety and lower ROI. Target collecting 25-35% of spread width.
- Enter as spread order. Always enter as a single spread order, not two separate legs. This ensures proper fill and pricing.
Bull Put Spread Strike Selection
| Approach | Delta | Distance below | POP | Premium | Best for |
|---|---|---|---|---|---|
| Conservative | 10-16 | 10-15% | 84-90% | Low | Beginners, capital preservation |
| Balanced | 20-25 | 5-8% | 75-80% | Medium | Most traders (recommended) |
| Aggressive | 30-35 | 2-5% | 65-70% | High | High risk tolerance, strong conviction |
Managing Bull Put Spreads
Profit-Taking Strategy
- Close at 7 DTE: Near-expiration gamma risk increases significantly
- Let expire worthless: Only if comfortably OTM with <3 DTE
When Stock Drops
- Stock approaches short strike (>14 DTE): Let it work, don't panic
- Stock breaches short strike: Consider rolling down and out for credit
- Losing 2x credit: Exit position, accept the loss
- Near expiration and ITM: Close to avoid assignment
Rolling Strategy
When your spread is challenged, you can "roll" to extend time and collect more credit:
Roll down and out. Buy back current spread, sell lower strikes further out in time.
Roll out same strikes. Buy back current spread, sell same strikes 21-30 days further out.
When NOT to roll. Don't roll if: stock broken below key support, cost is debit (no credit), or you've lost conviction.
When to Trade Bull Put Spreads
Ideal Conditions
- Bullish structure: The spread profits when the stock stays above the short put strike
- Elevated implied volatility: Higher IV produces larger premiums on the spread
- After pullbacks: Stock pulled back to support in uptrend
- At support levels: Clear technical support below current price
- Defined risk: The long put caps the maximum loss on the position
When to Avoid
- Downtrend: Stock in persistent downtrend, don't fight the trend
- Very low implied volatility: Low IV produces smaller premiums on the spread
- Bearish catalysts: Negative earnings, bad news pending
- Broken support: Stock broke below key support level
- Low liquidity: Wide bid-ask spreads increase entry and exit costs
Greeks Analysis for Bull Put Spreads
Delta (directional risk)
Positive Delta (+15 to +35). You profit when stock rises, lose when it falls.
Example: Delta of +20 means for every $1 the stock rises, your spread gains ~$20 in value. This is why you want to be bullish before entering.
Theta (time decay)
Positive Theta (+$8 to +$15/day). Time decay works in your favor.
Every day that passes, the spread loses extrinsic value. Since you sold more premium than you bought, this benefits you. Theta accelerates in the final 30 days.
Vega (IV sensitivity)
Negative Vega (-10 to -20). You profit when IV drops.
Since you sold options, falling IV benefits the position.
Gamma (delta acceleration)
Negative Gamma. Risk increases as stock approaches short strike.
Gamma is low when spread is OTM but increases dramatically near expiration if stock approaches your short put. This is why closing early reduces risk.
Bull Put Spread vs Other Bullish Strategies
| Strategy | Cost | Max profit | Max loss | Theta | Market condition |
|---|---|---|---|---|---|
| Bull Put Spread | Collect credit | Limited (credit) | Defined | Positive | Moderate bullish, high IV |
| Long Call | Pay debit | Unlimited | Premium paid | Negative | Very bullish, low IV |
| Long Stock | High | Unlimited | Stock to $0 | None | Very bullish, long-term |
| Bull Call Spread | Pay debit | Limited | Debit paid | Negative | Very bullish, low IV |
Frequently Asked Questions
What is a bull put spread?
A bull put spread is a bullish credit spread where you sell a put and buy a lower put for protection. You collect credit upfront and profit if the stock stays above your short put strike. It offers defined risk, limited profit, and positive time decay.
How much money can you make with bull put spreads?
Typical returns are 15-30% of capital at risk per trade. With 70-75% win rate and proper management, monthly returns of 6-10% on deployed capital are realistic. A $10,000 account can generate $600-1,000 per month.
What is the maximum loss on a bull put spread?
Maximum loss = (Spread width - Premium collected) x 100. Example: $5 spread, $1.50 credit = $350 max loss. Your loss is capped at this amount even if the stock crashes to zero.
When should you trade bull put spreads?
Bull put spreads profit when the underlying stays above the short put strike through expiration. The strategy benefits from time decay and has defined maximum risk through the long put.
How do you manage a bull put spread?
Position management involves monitoring whether the stock stays above the short put strike. Common approaches include closing the position early to lock in gains, rolling to different strikes or expirations when challenged, or closing when the trade moves significantly against expectations.
Where Bull Put Spreads Fit
A bull put spread is the bullish half of the credit-spread family. The bearish counterpart is the bear call spread; combine both and you have an iron condor.
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- Written by
- ApexVol Research Team
Quantitative options research. All calculations use live institutional-grade data — the same source professional volatility desks use. - Reviewed by
- Ryan Silk, ApexVol Founder
Reviewed for technical accuracy. 10+ years trading options; built ApexVol's pricing engine, Greeks model and IV-rank methodology.
Revised as market conditions and institutional data change. Last revised 2026-04-29. How we research →
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