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Cash-secured puts, explained
A plain-language guide to the terms and the trade-offs — and how a rules-based screener ranks the setups.
What is a cash-secured put?
Selling a cash-secured put means selling a put option while setting aside enough cash to buy the shares at the strike price if you are assigned. You collect the option premium up front; in exchange, you agree to buy the stock at the strike through expiration. Sellers use it to earn premium on names they would be willing to own at a lower price — the same first leg as “the wheel.”
The key terms
- Downside buffer
- How far the stock can fall — as a percentage of the current price — before it reaches the strike. A bigger buffer means more room to be wrong. (Buffer is measured to the strike, not to your breakeven, which sits a little lower still.)
- Annualized yield
- The premium expressed as a per-year rate on the capital secured. It is arithmetic on the current premium — a comparison figure, not an expected or guaranteed return.
- Probability of profit (PoP)
- A model-estimated probability the option expires worthless, derived from its delta. It is a model estimate, not a historical win rate.
- Volatility risk premium (VRP)
- The gap between a stock's implied volatility and its realized volatility — how richly its options are priced relative to how much the stock has actually been moving. PutFinder uses it as one minor input among several; a wide gap describes today's option pricing, not an edge and not a predicted return.
- Earnings gate
- Earnings that fall before an option expires add event risk. A screen can penalize or exclude setups whose earnings cross the option's life.
- Days to expiration (DTE)
- The number of days from today until the option expires. A shorter-dated contract reaches its outcome sooner and has to be re-established more often to hold a position; a longer-dated one ties up the cash or shares backing it for longer. Annualizing a premium spreads it over a year either way, so it is a comparison figure rather than a statement about which length is better.
- Covered call (for contrast)
- Selling a call against shares you already own. A cash-secured put is secured by cash and is the entry side; a covered call is secured by shares and is the exit side. See cash-secured put vs covered call for a side-by-side comparison.
How a screener ranks them
A screener like PutFinder scans the full option chain across a curated universe and scores each setup on a premium-vs-risk basis — combining the annualized yield and downside buffer with the stock's quality, its volatility risk premium, its trend, and the earnings gate — into a single relative score. The score is a descriptive ranking heuristic: it says a setup sits high in today's pool, not that it is a good trade or a predicted return.
How it compares
A descriptive comparison of ways to find cash-secured-put setups — not a claim that one is “better,” just how they differ.
| PutFinder | Manual chain-scanning | Signals service / Discord | |
|---|---|---|---|
| What you get | A ranked, documented shortlist | Raw data you sort yourself | Specific calls to act on |
| Transparency | Every factor documented | Your own method | Usually opaque |
| Coverage | Full chain, curated universe, daily | Whatever you have time to scan | A handful of tickers |
| Framing | Descriptive — you decide | — | Prescriptive — told what to do |
| Not investment advice | ✓ research tool | ✓ your own research | Varies — often implies action |
Common questions
Is a cash-secured put “safe”?
It is fully cash-secured, so there is no leverage or margin call — but the underlying stock can still fall well below your breakeven, and you can be assigned shares at a loss. It is a defined-capital strategy, not a risk-free one.
Cash-secured put vs. covered call — which is better?
Neither is universally better; they sit on opposite sides of a position and are often combined in the wheel. This is descriptive, not a recommendation.
Does PutFinder tell me what to sell?
No. PutFinder ranks and documents setups on a premium-vs-risk basis; the decision stays with you.
Last updated .