Lock a stock. Name the strike, once.
Fill in the call to see its drawing.
You keep the premium whatever happens. If the holder pays the strike before expiry, the stock leaves the vault and the USDC lands with you in the same transaction. If not, the stock comes back to you after expiry. Changed your mind before anyone buys? Cancel at any time.
Before stock leaves your wallet
The complete lot must be available in your wallet. You also need SOL for the network fee and any token-account creation. The stock is transferred to the call’s vault when writing succeeds, not when someone buys.
Fix the terms deliberately
The strike here is entered per share; ONE records the equivalent total strike for the whole lot. The premium is entered for the entire call. These terms cannot be changed after writing.
A buyer commits your stock
Once purchased, the premium stays with you. The holder may exercise before expiry, even if the displayed stock price is below the strike. You cannot cancel a bought call.
The stock’s downside is still yours
Your stock can fall in value while it is locked, and gains above the strike are given up if the call is exercised. If the call expires with stock remaining, reclaim it from its call page.