Polymarket prediction market data from June 19 to July 23, 2026 shows betting activity on various Major League Baseball matchups, with Arizona Diamondbacks games appearing frequently and trading volumes ranging from $346,000 to $2.2 million per game. No single coherent story emerges from individual game predictions.
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Arizona Diamondbacks: 100%; NRFI: 100%; Spread -1.5: 0%; O/U 8.5: 100%. 24h volume $2,200,286.
Cincinnati Reds: 61%; Spread -1.5: 19%; O/U 8.5: 17%; 1st 5 Innings Spread -1.5: 50%. 24h volume $935,369.
NRFI: 0%; O/U 7.5: 100%. 24h volume $902,401.
Chicago Cubs: 54%; NRFI: 53%; Spread -1.5: 42%; O/U 10.5: 42%. 24h volume $346,017.
Arizona Diamondbacks: 38%; Spread -1.5: 8%; O/U 9.5: 6%; Extra Innings: 79%. 24h volume $538,884.