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Balance of power describes which party controls each chamber of Congress. Prediction markets list it as combined outcomes, such as one party winning both the House and the Senate or each party taking one chamber.
Polymarket's 'Balance of Power: 2026 Midterms' market has four outcomes; our Senate and House forecasts show it next to each chamber's control market.
Toss-up · Multi-outcome market · Implied probability
Polymarket's 'Balance of Power: 2026 Midterms' market has four outcomes; our Senate and House forecasts show it next to each chamber's control market.
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