Did a Polymarket trader rig election odds for a side bet?

Last week, crypto traders in prediction markets for the US presidential election noticed an anomaly. Alleging market manipulation, users claimed that wealthy traders were betting simultaneously in two markets, “slamming bids” in Polymarket’s primary market expiring November 4 in order to “steal a pot of $4 million” in a subsidiary market that expired September 6. […] source: https://protos.com/did-a-polymarket-trader-rig-election-odds-for-a-side-bet/