As of September 23, 2026, the prediction market “Will Chris Van Hollen win the 2028 Democratic presidential nomination?” is tracked on Polyman with these live implied probabilities from Polymarket odds: Yes 0%, No 100%. Total traded volume is $985. This market is open for trading. Polyman shows real-time odds, the positions of top Polymarket traders in this market, and lets you copy winning traders with one tap.