The same game isn't priced the same everywhere. Probdesk shows you where.
Probdesk continuously compares Polymarket, Kalshi and the no-vig bookmaker consensus. For every outcome: the price on each market, the gap between them and the best buy, fees included.
LivePolymarketKalshiBookmakersUpdated 09:10 UTC
Sharks – WildMLS ·
OutcomeWild
Polymarket71.5%
Kalshi51.5%
Gap20.0 pts
Leonardo Rossi – Alessio BalestrieriATP Challenger ·
OutcomeLeonardo Rossi
Polymarket55.0%
Kalshi60.5%
Gap5.5 pts
Joshua Sheehy – Justin BoulaisATP Challenger ·
OutcomeJoshua Sheehy
Polymarket34.5%
Kalshi30.5%
Gap4.0 pts
Lilli Tagger – Harriet DartWTA ·
OutcomeHarriet Dart
Polymarket11.5%
Kalshi14.5%
Gap3.0 pts
Faris Zakaria – Niels ViskerATP Challenger ·
OutcomeFaris Zakaria
Polymarket13.5%
Kalshi10.5%
Gap3.0 pts
Utah Tech Trailblazers – New Mexico LobosNCAA men ·
OutcomeUtah Tech Trailblazers
Polymarket7.0%
Kalshi4.5%
Gap2.5 pts
Hurricanes – PredatorsNHL ·
OutcomeHurricanes
Polymarket62.5%
Kalshi65.5%
Gap3.0 pts
Stetson Hatters – Clemson TigersNCAA men ·
OutcomeClemson Tigers
Polymarket94.5%
Kalshi96.5%
Gap2.0 pts
Continuous comparison
Every game is matched across platforms, team by team, every 30 seconds.
No-vig fair price
The bookmaker consensus is stripped of its margin. It is the reference whenever it is available.
Real cost
The edge is computed on the price you would actually pay, platform fees included, not on the last trade.
Pricing
Free during the beta. Paid plans open with alerts and history.
| Features | Analyst$49per month | Pro$99per month | Desk$199per month |
|---|---|---|---|
| Full terminal | ✓ | ✓ | ✓ |
| All sports | ✓ | ✓ | ✓ |
| Updated every 30 s | ✓ | ✓ | ✓ |
| Divergence alerts | — | ✓ | ✓ |
| 90-day history | — | ✓ | ✓ |
| API access | — | — | ✓ |
| Multiple seats | — | — | ✓ |
| Free beta | Free beta | Free beta |