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Is Polymarket legal in Washington State?

Polymarket does not allow new orders from the United States through polymarket.com, which includes Washington State. Residents in Washington cannot open new positions on the public Polymarket site; a separate, CFTC-regulated pathway exists for U.S. users that requires KYC. Using VPNs to evade geo-blocking violates Polymarket's Terms of Service.

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Polymarket's geographic restrictions explained

Polymarket geo-blocks new orders from the United States; that policy covers Washington State. The platform permits a separate CFTC-regulated flow for U.S. customers who complete KYC, but that is distinct from trading on polymarket.com.

Polymarket also strictly forbids bypassing blocks with VPNs or other location-masking tools. The policy is enforced at the order-routing level and is part of Polymarket's compliance program.

What you can and cannot do from Washington

You can still view markets, research questions, and run local simulations while located in Washington. You cannot open new orders on the public Polymarket site; some users in restricted jurisdictions may be permitted to close positions in limited cases per Polymarket's regional rules.

If you are a U.S. resident wishing to trade, look into the official CFTC-compliant pathway that requires identity verification rather than attempting to transact on polymarket.com.

Risks and practical considerations

Attempting to trade from Washington without using the approved pathway risks account actions and violates terms of service. Beyond geo rules, trades carry normal market risks: resolution disputes (UMA), slippage, fees, smart-contract risk, and settlement timing.

Arbitrage opportunities can disappear quickly; successful execution requires low latency, order sizing discipline, and accounting for taker fees where applicable.

Where PolyArb fits in

PolyArb is a non-custodial arbitrage bot that connects to Polymarket's CLOB for intra-market opportunities. It costs $99/month, delivers ~40ms latency versus ~800ms for many free bots, and advertises a $7.62 minimum guaranteed edge per trade. Alerts are available via Telegram and Discord.

If you are eligible to trade through Polymarket's approved channels, PolyArb can help you automate intra-market arbitrage while you follow the platform's geo and KYC rules.

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FAQ

Can I open a new Polymarket account from Washington State?
You cannot open new orders on polymarket.com from the United States, including Washington State. U.S. users who want to trade must use Polymarket's separate CFTC-regulated pathway, which requires KYC.
Can I use a VPN to access Polymarket from Washington?
No. Using a VPN or other location-masking method to bypass Polymarket's geo-blocks violates the platform's Terms of Service and can lead to account restrictions.
If I live in Washington, can I use PolyArb?
You may use PolyArb only if you are authorized to trade on Polymarket through an approved channel. PolyArb is non-custodial software; it does not bypass Polymarket's geo or KYC controls.
What are the main risks when trading on Polymarket?
Primary risks include resolution disputes handled by UMA, slippage and partial fills, taker fees, smart-contract vulnerabilities, and settlement timing. Arbitrage spreads are mathematical but execution and operational risks remain.

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