What this page is
Replay a real recorded trading day (or a synthetic one in sample mode) at 3-minute steps and trade it with virtual money — positions mark to market as the day plays.
How to use it
- 1Pick symbol, expiry and a day. Use the slider/play to move through the day; add legs from the chain at that moment's prices.
- 2Watch P&L update every step. Book or close positions; booked trades post to your Journal automatically.
How to read it
- This is the safest place to feel theta and gamma in your hands — hold a short straddle through a 3-minute spike and see the T+0 line move.
- Paper P&L is honest but frictionless: add the Builder's charges + slippage mentally before believing a small edge.
💡 Pro tip:Your paper trades feed the Community leaderboard and your Journal habit stats — treat them like real ones and the stats become worth reading.
