Since launch, 0xInsider has tracked every trade on Polymarket. But prediction markets aren't a single-platform game anymore. Kalshi — the first CFTC-regulated prediction exchange in the US — has grown into a serious venue with its own ecosystem of sharp traders.
Traders who ignore Kalshi are trading with half the picture. The best opportunities often appear when one platform prices an event differently than the other. Without visibility into both, you're flying blind.
We're fixing that.
What's coming
Real-time whale trades — Every large Kalshi trade, streaming into your terminal alongside Polymarket flow. See the size, market, direction, and price — the moment it happens.
Cross-platform comparison — Spot pricing differences between Polymarket and Kalshi on the same events. When the same outcome trades at $0.62 on one platform and $0.55 on another, that's information worth having.
Volume and flow analysis — Aggregate Kalshi volume by market and time period. See where money is moving across both exchanges without needing individual trader identities.
Why this matters
The traders who consistently win aren't loyal to one platform. They go where the edge is. Some of the most profitable Polymarket strategies involve monitoring Kalshi prices for early signals.
Right now, you'd need to manually check both platforms and piece together the data yourself. That's time that could be spent trading.
With Kalshi support on 0xInsider, you open your dashboard and see everything. Both platforms. Every trade. Every price discrepancy. One place.
A note on Kalshi's data model
Kalshi is a centralized, CFTC-regulated exchange. Unlike Polymarket — where every trade is on-chain and tied to a wallet address — Kalshi does not expose individual trader identities. That means we can track every trade (size, price, market, direction) but cannot build individual trader profiles or leaderboards for Kalshi traders. Our analytics will focus on aggregate flow, volume patterns, and cross-platform pricing — which is where the actionable signals live anyway.
Timeline
We're in active development now. Kalshi whale trades will be the first feature to ship, followed by cross-platform pricing comparison and volume analysis.
If you're already an 0xInsider user, you don't need to do anything. Kalshi data will appear in your dashboard automatically as we roll it out.
If you're not a user yet — the traders who are already tracking Polymarket will have a head start when Kalshi data drops.