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Prediction Market Tracker for Polymarket & Kalshi

Finally see every contract you hold across Polymarket and Kalshi in one place. Manual-entry P&L, tagged positions, and a live arbitrage scanner for cross-market spreads.

Free forever. No credit card. No wallet connection.

Built for the data prediction markets don't give you

1 view
Polymarket + Kalshi combined
P&L
Per contract, per category, lifetime
ARB
Live cross-market scanner (Pro)
0 syncs
Manual entry, fully private

Everything you need to track event contracts

Multi-market portfolio

Track Polymarket and Kalshi side-by-side. Know your exposure across politics, sports, crypto, and econ contracts in one view.

Position-level P&L

Log every entry and exit manually. See which contracts pay and which bleed — long before the market resolves.

Arbitrage scanner

Live scanner surfaces the same question trading at different prices on Polymarket vs Kalshi. Included with Pro.

P&L calendar heatmap

Red and green days at a glance. Spot the weeks when prediction-market instincts were on — and when they weren't.

Tag by category

Label each position — politics, weather, sports, crypto — and see which categories you actually have an edge in.

EV and Kelly sizing

Built-in calculators for expected value and Kelly criterion. Stake properly on the edges you find.

Private, manual-first

No wallet connections, no Kalshi login, no API keys. You type your numbers; they stay on your account only.

Clean history

Long-term log of every contract, entry, exit, and result. Perfect for end-of-year review or tax prep.

Track every category you trade

Politics

Elections
Presidential approval
Legislation

Economics

Fed decisions
Recession calls
CPI prints

Sports

Championships
Player props
Season outcomes

Crypto & tech

Token prices
Product launches
Adoption milestones

Use it with any prediction market

We don't connect to any platform. You type your numbers, so it works with whatever you use — centralized markets, exchanges, or peer-to-peer.

Polymarket
Kalshi
Manifold
PredictIt
Smarkets
Betfair Exchange

Arbitrage scanner for Polymarket vs Kalshi

The same question often trades at different prices on Polymarket and Kalshi. Our Pro scanner surfaces those spreads in real time so you can decide whether the edge is worth the capital lockup.

  • Live feeds from Polymarket and Kalshi
  • Fees and slippage baked into the spread math
  • Filter by category, liquidity, and expiry
  • One-click log to your tracker for position follow-up
Cross-market spread
+4.2%
Polymarket
$0.41
Kalshi
$0.45

Start tracking your prediction-market results

Free forever for the core tracker. Pro adds the arbitrage scanner, unlimited history, and AI analysis of your positions.

✓ No credit card
✓ No wallet connection
✓ Free forever
Free Prediction Market Tracker | Polymarket, Kalshi P&L and Arbitrage | Manage Bankroll