Phase-1 Same-Platform Arbitrage Scanner

Use filters → Fetch → select markets → Go Live! to stream best bid/ask and auto-log ARBs (BUY: askYES+askNO<1, SELL: bidYES+bidNO>1).

Polymarket

Title Close Liq (USD) YES Ask NO Ask YES Bid NO Bid

Kalshi

Ticker Title Close Liq (USD) YES Ask NO Ask YES Bid NO Bid