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Kalshi Senate markets: how they compare to Polymarket

If you searched “kalshi senate” you’re likely checking how Kalshi’s Senate contract markets compare to Polymarket. Kalshi is a CFTC-regulated exchange that lists binary event contracts, including many U.S. political outcomes. Polymarket is a decentralized prediction market on Polygon with different liquidity dynamics and settlement mechanics. For traders focused on fast intra-platform arbitrage, PolyArb offers a latency and edge-focused product: $99/month, 40ms latency, Telegram + Discord alerts, and a $7.62 minimum guaranteed edge per trade.

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What Kalshi Senate markets are

Kalshi is a centralized, CFTC-regulated exchange that lists binary contracts tied to real-world events, including Senate control and specific races. Its product is targeted at retail and institutional traders under U.S. regulatory oversight. Settlement and custody follow regulated exchange rules rather than on-chain token mechanics.

How Polymarket differs

Polymarket runs on Polygon and uses the Gnosis Conditional Token Framework to mint outcome tokens that settle to pUSD after UMA resolution. That on-chain design changes liquidity patterns, tick sizes, and how spreads form. Polymarket markets can be faster to access for crypto-native traders but carry on-chain settlement nuances and UMA dispute windows.

Where arbitrage opportunities arise

Intra-platform arbitrage on Polymarket happens when the sum of best-ask prices across outcomes is below $1.00, creating an edge equal to $1.00 minus that sum. Kalshi’s centralized order book can offer different spreads and execution profiles because of its regulatory and market structure. Comparing both venues helps traders spot cross-platform mismatches, but PolyArb focuses on extracting intra-Polymarket combinatorial and binary edges.

Why PolyArb for traders watching political markets

PolyArb is built for speed and signal clarity: 40ms latency vs ~800ms for many free bots, real-time Telegram and Discord alerts, and a $7.62 minimum guaranteed edge per trade. It is non-custodial and runs live today. Remember: arbitrage spreads are mathematical only if you account for slippage, fees, UMA resolution risk, and settlement timing.

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Subscribe to PolyArb for $99/month to get 40ms latency, live alerts, and a $7.62 minimum guaranteed edge—non-custodial and live now.

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FAQ

Is Kalshi the same as Polymarket?
No. Kalshi is a CFTC-regulated centralized exchange for binary contracts; Polymarket is a decentralized market running on Polygon with on-chain outcome tokens and UMA resolution.
Can I arbitrage between Kalshi and Polymarket?
Cross-platform arbitrage is possible in theory, but it involves execution, regulatory, and settlement differences. PolyArb focuses on intra-Polymarket arbitrage rather than cross-platform trades.
Does PolyArb work on political markets like Senate races?
Yes. PolyArb monitors Polymarket markets, including political outcomes, and alerts on intra-market edges. It does not trade on Kalshi directly.

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