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    "title": "BTC 15-min Up/Down Arbitrage (Polymarket x Kalshi)",
    "description": "Find executable Bitcoin 15-minute up/down arbitrage between Polymarket and Kalshi. Matches their BTC 15-min markets by close time, pulls live order-book depth, applies both platforms' documented fees, and returns only mismatches still profitable at the supported size.",
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            "title": "Capital to simulate per leg (USD)",
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          },
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            "title": "Polymarket fee exponent",
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