This Polymarket trader holds $86k in both YES and NO shares. Not because he's hedging. Not because he's confused. But because he's farming 4% risk-free with a strategy most people don't know exists: Polymarket pays 4% annual interest on all open positions in markets that resolve far in the future. This isn't a bug, it's by design. If they didn't pay the risk-free rate (US treasury yield), nobody would lock up capital in long-dated markets when they could just hold treasuries instead. Let's look at @holy_moses7's portfolio as an example (see screenshot): He's holding 63,000 YES shares AND 63,000 NO shares on the same JD Vance 2028 election market. - Total position: $86.8k - Directional risk: Zero - Annual return: 4% He's completely delta neutral (market movements don't touch him). But his idle capital is earning while sitting ready on the platform. The moment he spots an opportunity, he merges those positions back into USDC and places his bet. (It take like 30 seconds.) BUT: ...