Long Put
Buy a put: the right to sell 100 shares at the strike. A bearish bet with limited risk.
Payoff at expiration
When traders use it
You expect a meaningful decline, or want a hedge.
Formulas (per share; ×100 per contract)
| Max profit | K − P (if stock goes to zero) |
| Max loss | P (premium paid) |
| Breakeven | K − P |
Key risks
Time decay; can lose the whole premium; needs a big enough move soon enough.
How it works
You pay a premium for the right to sell 100 shares at the strike. If the stock ends below the strike, the put is worth strike − stock price. Profit equals that minus the premium. Above the strike, the put expires worthless.
Worked example HYPOTHETICAL
Hypothetical example only — not real prices or a recommendation. Stock at $100. Buy 1 put, 45 days, $100 strike, for $4.00 ($400 paid).
| Stock price at expiration | P/L (1 contract, excl. fees) |
|---|---|
| $80 | +$1,600 |
| $90 | +$600 |
| $96 | $0 |
| $100 | −$400 |
| $110 | −$400 |
Market outlook: when to use it
Use when: Bearish expecting a meaningful drop, or hedging a portfolio, with defined risk.
Avoid when: You expect a slow drift lower, or implied volatility is elevated (e.g., after a selloff).
The Greeks, in plain words
| Delta | Negative: gains as the stock falls. |
| Theta | Negative: time decay costs you daily. |
| Vega | Positive: rising volatility (common in selloffs) helps. |
| Gamma | Positive: big moves help. |
Choosing strikes and expiration
Same logic as calls: ATM for balance, ITM for stock-like exposure, OTM for cheap protection. Choose expiration beyond when you expect the move.
Managing the trade
Take profits into sharp drops (volatility can collapse after). Roll down to lock gains, or sell a lower put to form a bear put spread. Long puts are not assigned.
Common mistakes
- Buying puts after a crash when IV is high.
- Expecting to be right about direction and timing simultaneously without enough time.
FAQ
Can I buy puts without owning the stock?
Yes; that is a speculative bearish position.
Max profit?
Strike − premium if the stock goes to $0 ($9,600 here).
Explained simply
When would someone use this?
When you expect a stock to fall, or want to bet on a decline with a known maximum loss.
The setup, in plain words
You pay a premium to buy one put. If the stock falls below the strike by more than the premium, you profit.
Max profit, max loss and breakeven
- Max profit
- Strike − premium, per share, reached only if the stock falls to $0.
- Max loss
- The premium paid, if the stock ends at or above the strike.
- Breakeven
- Strike − premium paid.
A simple numeric example (hypothetical)
Stock at $100. You buy a $100 put for $3.00 ($300). At expiration: stock $90 → put worth $10, profit $700. Stock $97 → breakeven. Stock $105 → put expires worthless, loss $300.
The main risks, in plain words
- Time decay works against you every day.
- Stocks can rise or move sideways, and the put can expire worthless.
- Falling implied volatility can reduce the put's value.
Beginner FAQ
Is this the same as shorting?
Both profit from a drop, but a long put has a fixed maximum loss. Shorting stock has unlimited risk if the price rises.
Do I need to own the stock?
No. Buying a put on its own is a bearish trade.
Read next
Calls vs Puts for Beginners · How to Read the Option Greeks · All Learn articles
Related strategies
Bear Put Spread · Protective Put · Long Call
Watch: further explanation
This 17-Minute Video Will Teach You Long Calls and Long Puts. Then Things Get Interesting. — tastylive
Long Put Option Strategy - Buying Put Options — Option Alpha
Calculators for this strategy
Options Profit Calculator · Probability of Profit Calculator