Cash-Secured Puts Explained

A cash-secured put is a strategy where you sell a put option on a stock you genuinely want to own, while holding enough cash to buy 100 shares if assigned. You collect premium income today, and if the stock drops to your strike price, you buy it at the effective discounted price — exactly what you wanted anyway.

How Cash-Secured Puts Work

When you sell a put option, you are taking on an obligation: if the stock falls below the strike price by expiration, the option buyer can force you to buy 100 shares at the strike price. The "cash-secured" part means you hold the full amount of cash needed to fulfill that obligation — so you are never over-leveraged and never forced to sell other assets.

The strategy works best when you have a clear price at which you would happily buy a stock. Instead of placing a limit order and waiting for the price to drop, you sell a cash-secured put at that price — and collect income while you wait.

Cash-Secured Put Example With Numbers

Let's say you want to own Nike (NKE) but think it's overpriced at $95. You would happily buy it at $85, which represents roughly a 10% discount. Here is the trade:

• Stock price today: $95
• Strike price you sell: $85 put
• Premium received: $2.20 per share = $220 collected today
• Cash reserved: $8,500 (100 shares × $85) held in the account
• Expiration: 30-45 days

Three possible outcomes at expiration:

• NKE stays above $85 (put expires worthless): You keep the $220 premium. Your $8,500 in cash earned a return of $220 over 30-45 days — approximately a 10-12% annualized yield on the reserved capital. Run the strategy again next month.
• NKE drops to $82 (assigned): You are obligated to buy 100 shares at $85. Your effective cost basis is $85 - $2.20 = $82.80 per share, accounting for the premium you already collected. You now own NKE at a meaningful discount to where it was trading when you sold the put.
• NKE drops to $70 (assigned with large drop): You are obligated to buy at $85. With the stock now at $70, you have an unrealized loss on the position — your effective cost basis is $82.80, and the stock is at $70. This is the real risk: being forced to buy a deteriorating stock. This is why you should only sell puts on stocks you genuinely want to own.

The Critical Rule: Only Sell Puts on Stocks You Want to Own

This is not a strategy for stocks you are indifferent about. The cash-secured put is built on the premise that assignment is an acceptable outcome — even a desirable one. If you are assigned shares of a stock you do not actually want to own, the strategy fails and you are stuck holding a position you will eventually sell at a loss.

Only sell cash-secured puts on companies you have researched and would be comfortable owning at the strike price. Think of it as a standing limit order that pays you while you wait.

Covered Calls + Cash-Secured Puts: The Wheel Strategy

The "Wheel" is a systematic income strategy that combines cash-secured puts and covered calls:

• Step 1: Sell a cash-secured put on a stock you want to own. Collect premium. If not assigned, repeat.
• Step 2: If assigned, you now own 100 shares. Begin selling covered calls on those shares to generate more premium income.
• Step 3: If the stock is called away, you have liquidated the position at a profit. Start back at Step 1 with the proceeds.

The Wheel is not a risk-free strategy — a major stock decline can leave you holding shares significantly underwater. But on stable, high-quality businesses, it is one of the most reliable income-generation frameworks available to retail options traders.

Strike and Expiration Selection

Most cash-secured put sellers target the following parameters:

• Strike price: 5-15% below the current stock price — close enough to collect meaningful premium, far enough that you are buying the stock at a genuine discount.
• Delta: Target a Delta of 0.20-0.35. This means the market prices in roughly a 20-35% chance of assignment — you are being compensated fairly without selling the put too close to the money.
• Expiration: 30-45 days to expiration captures peak Theta decay. Shorter expirations require more active management; longer expirations tie up capital longer.

Cash-secured puts are available to investors with Level 1 options trading approval at most brokers because the risk is identical to owning stock — you hold the cash to cover the obligation. It is the right starting point for any options trader moving beyond basic calls and puts.