Selling a cash-secured put is often sold as getting paid to buy stock at a discount. Here is how cash collateral works, what early assignment means, and why the downside is real.
Selling cash-secured puts ties up thousands in cash. Vertical credit spreads let small accounts define risk and trade premium without buying 100 shares.
The Black-Scholes formula powers modern options chains, but real traders run it backwards. Here is what the math does, why it matters, and where its assumptions break.
