Most "options indicators" are general trend tools with an options label attached. Quantzee walks through why CPR ThetaEdge was built specifically around the constraints of same-day expiry trading, mandatory hedging, precision strike selection, and isolatable expiry-day backtesting.

Full design breakdown: https://medium.com/@quantzee4/inside-cpr-thetaedge-how-we-built-an-indicator-specifically-for-0dte-options-b6f507676848

See Quantzee's CPR ThetaEdge indicator: https://quantzee.com/indicators/cpr-theta-edge/