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Polymarket Seattle Mayor: How the Market Traded the Race

Looking for how Polymarket handled the Seattle mayor race? Polymarket listed binary and multi-outcome markets that let traders buy YES/NO shares in specific candidates and events. Prices reflected collective probability and moved with news, polls, and late-breaking developments. This page explains how those markets behave, what to watch for, and how an arbitrage tool like PolyArb fits into trading them.

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How Polymarket markets for Seattle mayor work

Polymarket runs prediction markets on Polygon using outcome tokens under the Gnosis CTF. Binary markets for a candidate resolve to $1 for YES and $0 for NO; multi-outcome markets split $1 across all listed outcomes. Orders execute on a CLOB with limit and FAK market orders, and tick size can tighten near extremes. Settlement uses pUSD and resolution is reported via UMA's optimistic oracle, which can enter dispute and delay final redeeming. Market prices move as traders react to polling, endorsements, and local news. Because networks and gas are sponsored via the Polymarket Relayer, traders only need pUSD and a compatible wallet to participate.

Common trading patterns in mayoral markets

Early markets typically show wide spreads and larger edges between complementary outcomes. As the election approaches, liquidity usually increases, spreads tighten, and tick size may decrease to $0.001 near price extremes. Late-breaking events can produce rapid repricing — expect brief windows where intra-market combinatorial or binary arbitrage appears. Arbitrage opportunities often exist when best-ask sums fall below $1.00. Those are mathematical edges but carry operational risks: slippage, partial fills, UMA disputes delaying settlement, and fee changes across categories.

Where PolyArb helps active traders

PolyArb is a non-custodial arbitrage bot built for Polymarket. For $99/month it offers 40ms latency versus ~800ms common for free bots, Telegram and Discord alerts, and a stated $7.62 minimum guaranteed edge per trade. That latency and alerting reduce missed fills on short-lived spreads and automate split/merge flows through the relayer. Remember that even when the spread is mathematical, trades are not without risk. PolyArb automates execution and monitoring but does not remove resolution, smart-contract, or geographic restrictions on who may trade.

What to watch after a trade

After entering a complete-set or paired-binary trade, monitor order fills, fees, and eventual settlement. UMA disputes can pause redemption; keep an eye on Data and Gamma APIs for position and market status. Polymarket geo-blocks some countries and regions — do not attempt VPN circumvention. For bookkeeping, track fills and redemption timestamps since settlement timing affects cashflow. Use WebSocket market feeds if you need real-time best_bid_ask updates for active monitoring.

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Subscribe to PolyArb for $99/month to get 40ms latency, Telegram/Discord alerts, and automated execution with a $7.62 minimum guaranteed edge per trade.

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FAQ

What was the Polymarket Seattle mayor market?
It was a Polymarket listing where participants bought binary or multi-outcome shares on the Seattle mayoral race. Prices indicated collective probabilities and settled via UMA once the official outcome was reported.
Can I arbitrage Seattle mayor markets on Polymarket?
Yes — intra-market binary or combinatorial arbitrage can appear when best-ask sums fall below $1.00. These opportunities are mathematical but carry settlement, slippage, and dispute risks; automation like PolyArb can help execute quickly.
Does PolyArb work with Polymarket's relayer and wallets?
PolyArb is non-custodial and automates order placement via Polymarket's CLOB and Relayer flows. You still use your wallet and pUSD; PolyArb handles split/merge logic and alerting for detected edges.

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