Stock Trading Journal & Prediction Market Tracker — Excel Spreadsheet with P&L Dashboard, Win Rate & Performance Review

NEW: Perps Log sheet (free update, Oct 2026) — Kalshi launched stock perpetual futures: no expiration, leveraged long/short, funding charges. The journal now tracks leverage, margin, funding paid/received, funding periods held, liquidation price, and mark at exit, with automatic return-on-margin %.