Protective Put Strategy: Complete Guide to Downside Protection
A protective put is the options equivalent of buying insurance for your car. You own the asset (stock), and you buy a put option that gives you the right to sell it at a guaranteed price. If the stock drops, the put limits your loss. If the stock rises, you keep the gains minus the cost of the put.
How a Protective Put Works
Setup: Own 100 shares of stock + Buy 1 put option on that stock
Example: You own 100 shares of AAPL at $185 per share ($18,500 invested). You buy a $175 put expiring in 60 days for $3.00 ($300 total).
If AAPL drops to $150: Your shares lose $3,500 in value. But your $175 put is now worth at least $25.00 ($2,500 intrinsic value). Your net loss: $3,500 - $2,500 + $300 (put cost) = $1,300. Without the put, you'd lose $3,500.
If AAPL stays at $185: The put expires worthless. You lose the $300 premium. Your shares are unchanged. Net cost: $300 or about 1.6% of your position.
If AAPL rises to $200: Your shares gain $1,500. The put expires worthless. Net gain: $1,500 - $300 = $1,200.
Maximum Loss With a Protective Put
Max loss = (Stock price - Strike price) + Put premium paid
Using our AAPL example: ($185 - $175) + $3.00 = $13.00 per share = $1,300. This is the most you can lose, regardless of how far AAPL drops.
Breakeven = Stock price + Put premium = $185 + $3 = $188. AAPL needs to rise above $188 for you to be net positive including the hedge cost.
Choosing the Right Strike Price
The strike price determines your deductible — how much loss you absorb before the protection kicks in.
| Strike vs. Stock Price | Protection Level | Cost | Best For |
Most investors buying protective puts choose strikes 5-10% below the current price. This provides meaningful protection while keeping costs manageable.
Choosing the Right Expiration
30 days: Cheapest per period but requires monthly rolling. Best for short-term event protection (earnings, FOMC).
60-90 days: Better cost efficiency per day. The sweet spot for ongoing protection. You roll every 2-3 months.
6-12 months (LEAPS puts): Least rolling hassle and often the best per-day cost. But you're committing more capital upfront.
Rule of thumb: If you need ongoing protection, 90-day puts rolled when they reach 30 DTE tend to offer the best balance of cost, protection, and maintenance effort.
When to Use a Protective Put
Concentrated stock positions. If more than 20% of your net worth is in a single stock (common for company employees), a protective put limits the damage if that stock has a bad event.
Approaching a known catalyst. Before earnings, FDA decisions, or other binary events, a protective put defines your worst case.
Protecting profits. After a big run-up in a stock you own, buying a put locks in a minimum selling price while giving you the chance to participate in further upside.
Holding through uncertainty. During market turmoil, a protective put lets you stay invested without the risk of a catastrophic loss.
When Not to Use a Protective Put
Long-term buy-and-hold. Continuously buying protective puts on a long-term position is expensive and unnecessary. Over 10+ years, the market goes up. The cumulative cost of puts will likely exceed the losses they prevent.
Small positions. If the position is only 2-3% of your portfolio, the stock would need to drop enormously for the loss to be meaningful. A protective put on a small position is overpaying for marginal protection.
When IV is elevated. Protective puts are most expensive precisely when fear is highest (high VIX). You're paying peak prices for protection that's already partially priced into the market's expectations.
Protective Put vs. Stop-Loss Order
A common question: "Why not just use a stop-loss instead of paying for a put?"
A stop-loss sells your shares when the price drops to a specified level. The problem: stocks can gap below your stop level. If your stop is at $175 and AAPL opens at $160 after bad earnings, your stop fills at $160, not $175.
A protective put guarantees you can sell at $175 no matter what. Even if the stock gaps to $100, you can exercise your put and sell at $175. This guarantee is what you're paying the premium for.
OptionsPilot can help you evaluate the cost of protective puts at various strikes and expirations for any stock in your portfolio, making it easy to compare protection levels and find the right balance of cost and coverage.