Props

Unconventional Indexes Are Fueling Prediction Markets

Unconventional economic indexes like the Underwear Index and Cardboard Box Indicator are shaping prediction market contracts and sports props.

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Kalshi Sports Contracts: Props, Combos & API

Kalshi sports event contracts guide. Moneylines, spreads, totals, player props, and combos — with API examples, odds conversion, and agent strategies.

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