Polymarket vs Kalshi
Two very different prediction markets. We normalize both so you can read the same outcome side by side — and spot where they disagree.
| Dimension | Polymarket | Kalshi |
|---|---|---|
| Tracked events | 3 | 3 |
| Tracked volume | $8.1M | $3.9M |
| Avg. spread | 1.2% | 2.0% |
| Settlement | On-chain · USDC | Regulated · USD |
| Top categories | Monetary policy, Crypto regulation | Inflation, Geopolitics, US politics |
Probability divergences
Premium featureFrequently asked questions
Both are prediction markets where prices reflect implied probabilities of future events. They differ in coverage, regulation and market structure. ProMarkets tracks probability shifts on both and explains what they may mean for assets — we are not affiliated with either and do not link to trade.
No. ProMarkets is a market-research and intelligence layer. We do not offer trading, trade buttons, or affiliate links to either venue.
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ProMarkets provides market intelligence, summaries, scenarios and impact analysis on assets or watchlists defined by the user. It does not assess the suitability or appropriateness of transactions for any specific person, does not execute orders, and does not provide personalized investment advice.