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PredictIt app: what traders need to know now

If you searched for the PredictIt app, you’re probably comparing prediction-market platforms. PredictIt is a US-focused, regulated exchange with its own web and mobile interfaces; it’s distinct from Polymarket, which runs on Polygon and uses CLOB orderbooks. For traders and crypto-natives, the key differences are market access, settlement rails, and latency. If you’re evaluating tools to trade or arbitrage across Polymarket markets, PolyArb is a purpose-built bot offering $99/month, 40ms latency, and a $7.62 minimum guaranteed edge per trade.

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What PredictIt is and how it differs

PredictIt operates under a different regulatory and market model: it serves primarily US retail traders with fiat rails and its own custody and settlement rules. PredictIt’s UX and mobile presence are aimed at retail participation, not low-latency algorithmic arbitrage. Polymarket, by contrast, runs on Polygon with pUSD, uses Gnosis CTF outcome tokens, and exposes REST and WebSocket feeds that arb bots can consume directly.

Why latency and execution matter for arbitrage

Arbitrage opportunities on modern prediction markets often exist for seconds. Latency in market data and order placement directly affects fill probability and realized edge. Free bots and manual trading commonly see ~800ms round-trips; PolyArb advertises 40ms latency, which increases the chance of capturing small, short-lived spreads and reduces slippage on FAK orders.

Where PolyArb fits alongside PredictIt

PolyArb is an execution and alert product built for intra-Polymarket arbitrage: it watches CLOB orderbooks, sends Telegram and Discord alerts, and routes non-custodial orders. It does not replace PredictIt; it targets traders who want fast, automated access to Polymarket price imbalances. If your workflow includes both platforms, use each where it’s strongest: PredictIt for US-regulated participation and Polymarket plus PolyArb for low-latency crypto-native arb.

Practical trade considerations

Remember that mathematical edge from buying complementary outcomes still carries risks: resolution disputes (UMA), settlement timing, partial fills, fees, and smart-contract risk. PolyArb’s service-level claims (latency, guaranteed minimum edge) are execution-layer attributes — they don’t eliminate oracle or settlement risk. Use alerts and non-custodial routing to preserve control while automating entry and exit.

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Sign up for PolyArb at $99/month to get 40ms execution, Telegram and Discord alerts, and a $7.62 minimum guaranteed edge per trade—non-custodial and live today.

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FAQ

Is there an official PredictIt mobile app?
PredictIt has its own web and mobile interfaces separate from Polymarket. Availability, features, and app distribution are controlled by PredictIt; check PredictIt’s official channels for the latest app details.
Can PolyArb trade on PredictIt?
PolyArb is built for intra-Polymarket arbitrage and integrates with Polymarket’s CLOB and market feeds. It does not route orders to PredictIt, which is a separate platform with different APIs and regulatory constraints.
Why is latency important compared with a mobile app?
Mobile apps are designed for human interaction and convenience, not microsecond execution. Arbitrage relies on sub-second order placement and market updates; lower latency increases the chance of fills and preserves quoted edge.
Does PolyArb custody my funds?
PolyArb advertises non-custodial routing. That means trades are executed from your wallet rather than held by the service. Always verify wallet flows and approvals before using any trading bot.

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