On the eve of the midterm elections, the odds for congressional control have shifted, and cross-market traders are making new moves?

BlockBeats news, November 3 — As U.S. midterm election voting day arrives, Polymarket's congressional control markets have shown notable shifts over the past week, with the implied probability of one key outcome rising 10 percentage points.

According to TradingBeats monitoring, a cross-market trader who has previously accumulated profits in political prediction markets suddenly invested approximately $84,200 on election eve, concentrating bets on a certain congressional control outcome. About 6 hours later, the account established a new directional position on Hyperliquid, while previously held million-dollar contract positions remained unchanged.

As the election approaches, which congressional configuration is this trader expecting? What is the trading logic behind the newly established position portfolio?