Start your ledger

The ledger opens in the next build.

Logging calls, public profiles and scoring are being finished now. Leave your email and we will send one message when you can start, with no account needed to log your first call.

Email me once when the PredictLedger ledger opens. One message, no newsletter unless I opt in later, unsubscribe any time.

What you will be able to do on day one

• Log a Kalshi or Polymarket call in under a minute: market, side, price, size, optional stated probability.
• Watch it resolve from public market data. No exchange login, ever.
• Get a Brier score and P&L on a public profile, and share a resolved call with one link.

Meanwhile, read how scoring works and the disclaimer.