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Kalshi NYC Mayor: how it differs from Polymarket

If you searched for "kalshi nyc mayor" you likely want to know what a Kalshi market on the New York mayor race is and how it compares to Polymarket markets. Kalshi is a CFTC-regulated event exchange offering binary contracts; Polymarket is a decentralized CLOB on Polygon using pUSD and the UMA oracle. For traders looking to arbitrage intra-platform spreads, PolyArb runs a live bot that routes trades on Polymarket with 40ms latency and a $7.62 minimum guaranteed edge.

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What Kalshi's NYC mayor market is

Kalshi lists binary contracts on regulated event outcomes such as mayoral races. Contracts resolve under CFTC rules; settlement and custody follow the exchange's regulated framework. Kalshi's user experience emphasizes regulated access and centralized custody, which can be attractive to U.S. retail traders seeking an on‑ramp under CFTC oversight. Kalshi liquidity, fee structure, and settlement timing differ by contract. Because it is regulated, access and product design follow CFTC requirements rather than the decentralized primitives Polymarket uses.

How Polymarket differs

Polymarket is a decentralized prediction-market CLOB on Polygon that uses pUSD for settlement and UMA for resolution. Outcome shares are ERC-1155 tokens under the Gnosis Conditional Token Framework; you split, merge, and redeem through the Relayer and the CTF. That architecture makes Polymarket non-custodial (your wallet holds tokens) and gasless for users via the Relayer. It also enables intra-market arbitrage like buying complete sets when Σ best asks < $1.00.

Why traders compare the two

Traders compare Kalshi and Polymarket on regulation, custody, fees, and available markets. Kalshi offers a regulated clearing model; Polymarket offers decentralization, composability, and on‑chain outcome tokens useful for advanced strategies. If your goal is fast intra-market arbitrage on Polymarket, execution latency and reliable alerts matter more than which platform hosted the headline contract.

Where PolyArb fits

PolyArb is a non-custodial Polymarket arbitrage bot (live today) built for traders who want low-latency execution and automated alerts. It costs $99/month, delivers ~40ms latency versus ~800ms for free bots, includes Telegram and Discord alerts, and guarantees a $7.62 minimum edge per trade. PolyArb is specifically for intra-Polymarket arbitrage (buying complete sets or complementary YES/NO legs); it does not trade on Kalshi or other centralized exchanges.

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FAQ

Is the Kalshi NYC mayor market the same as Polymarket's mayor market?
No. They are separate platforms with different custody, settlement, and regulatory frameworks. Contracts on Kalshi resolve under CFTC rules; Polymarket uses UMA and on‑chain outcome tokens on Polygon.
Can PolyArb trade Kalshi markets?
No. PolyArb is built for intra-Polymarket arbitrage and operates on Polymarket's CLOB and CTF primitives. It does not route orders to Kalshi.
Is arbitrage between Kalshi and Polymarket possible?
Cross-platform arbitrage is conceptually possible but outside PolyArb's scope. It requires reconciling custody, settlement timing, fees, and regulatory constraints between platforms.

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