Cost and payoff columns are measured, not modelled: TSLA 0DTE, 80 expiry days (20 Feb–28 Aug 2026), 1,097 contract observations, entry at 10:00 ET on the fade side, fill at the ask plus one cent. Expiry and +60 min values are per dollar risked — below 1.00 is a loss. One ticker, one regime. Not investment advice.