FillBook
Imports Kalshi fills and settlements and calculates fee-adjusted realized P&L with analytics by category, venue, and holding duration
The product is a trade journal for Kalshi prediction-market trading that imports fills and settlements and calculates realized P&L with fees, weighted-average cost on partial closes, and $1/$0 settlement. It solves inaccurate performance tracking from spreadsheets and generic journals that do not understand Kalshi contracts or categories. It sells to individual retail traders active on Kalshi who track personal trading performance. It is positioned against stock and options journals and spreadsheets that cannot import Kalshi data or analyze edge by category, venue, and holding duration.
Key features
- Read-only Kalshi API import
- CSV upload
- Auto-group fills into positions
- Realized P&L with fees folded in
- Weighted-average cost on partial closes
- Correct $1/$0 settlement per contract
- Win rate by market category
- Average win/loss breakdown
- P&L by venue and day of week
- P&L by holding duration
- Journal notes per position
- Tags per position
Social posts
- No social media activity detected
GTM channels
- No GTM activity detected
ICP
- Consumers general
- Financial services firms
- Data analytics teams