Cash-Secured Puts Explainer
A cash-secured put is created by writing a put while setting aside enough cash to buy the underlying shares at the strike. The reserve addresses the purchase obligation if assignment occurs, distinguishing the position from a leveraged naked put.
The writer receives a premium. If the option expires out of the money, the premium is retained and no shares are purchased. If assigned, the effective acquisition cost is roughly the strike minus the premium, before fees and taxes.
The strategy is sometimes compared with entering a limit order, but the outcomes differ. The writer may be assigned after a severe decline, cannot freely use the reserved cash, and may miss gains if the shares rise without a purchase. Early assignment is also possible.
Cash security limits financing pressure but not economic loss. A stock bought at the strike can fall toward zero, and the premium provides only a small offset. Investors should evaluate company risk, contract size, yield on idle cash, liquidity, and willingness to own the shares through stress.
The reserve is sized to buy shares at the strike if assigned.
It reduces leverage but does not prevent investment loss.
Assignment produces an approximate cost of strike minus premium.
A large decline can overwhelm that credit.
Assignment, timing, and opportunity cost differ.
The writer cannot simply cancel after adverse news without closing the option.
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