Polymarket$3.30BOIOpen interest: sum of pool liquidity across all active markets, reported by the Polymarket API.
Kalshi$381.46MOIOpen interest: total contracts outstanding across all active markets, reported by the Kalshi API.
Limitless$27.64MOIOpen interest: estimated from total volume traded (USDC). Limitless does not report a separate OI metric.
Updated Today
If Tulsi Gabbard is the first member of the Cabinet of Donald Trump to leave or announce they will leave (such as by quitting, being fired, or being impeached) after Mar 10, 2026, then the market resolves to Yes.
As of March 18, 2026, the Kalshi odds for Will Brooke Rollins be the next person to leave the Trump Cabinet? are: Susie Wiles: 15%, Lori Chavez-DeRemer: 15%, Tulsi Gabbard: 14%, Pam Bondi: 11%, Pete Hegseth: 10%. These probabilities are derived from real-money trading and update in real time.
Will Brooke Rollins be the next person to leave the Trump Cabinet? is currently available on Kalshi. Check PredictMarketCap for cross-platform availability as new markets are added regularly.
Prediction market odds reflect the aggregate opinion of traders who risk real money on outcomes. The price of a share (e.g., 65¢) represents the market's implied probability (65%). Prices move as traders buy and sell based on new information, polls, and analysis.
