The marketplace: selling a call before expiry

/marketplace (Marketplace in the top bar) lists every call that a holder is selling, at the price the holder set. It runs on the tender_market program (part of Tender, POC's engine) (list, change price, cancel, buy).

Buying#

• Each row shows the coin, the call (strike and hourly or daily), its size, the coin's market cap now, time to expiry, what the call is worth right now at the pool price (before price impact), what the first buyer paid the vault, and the asking price in SOL and USD.
• Filter by coin and by hourly or daily; sort by soonest expiry, cheapest, or most in the money.
• Buy pays the asking price in SOL. The call NFT moves to your wallet with everything it carries: the tokens locked in its escrow, the strike and the expiry. 0.5% of the price goes to POC's treasury; the rest goes to the seller.
• A bought call works like any other: exercise, cash out, list it again, or let auto-exercise handle it in the last 10 minutes if it is in the money.
• Buying on the marketplace does not count against the per-wallet limit, which applies to calls bought from the vault.

Selling#

On the Portfolio page, press Sell on a call, enter a price in SOL, and press List for sale. The ticket shows what you receive after the 0.5% fee. Listed calls show a "listed" tag, with Change price and Cancel listing.

While a call is listed it cannot be exercised or auto-exercised (the marketplace's escrow holds it). Cancel the listing to take it back. An expired listing can only be cancelled.

Where it runs#

tender_market runs on mainnet at Gyhrx6ZKmfBKJnE7hHVgSSaLaQcbUeQJKyRGPzz1m3vV. In the pre-launch test a $200K daily call was listed at 0.1 SOL, repriced to 0.08 SOL and bought by another wallet; the seller received 0.0796 SOL plus the listing's rent back, and the call moved to the buyer.