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  "path": "/betting/2026/07/kalshi-and-polymarket-promo-codes-launch-50-bonus-through-july-4th-updated-mlb-and-world-cup-odds.html",
  "publishedAt": "2026-07-03T13:59:00.000Z",
  "site": "https://www.cleveland.com",
  "textContent": "The verified Polymarket and Kalshi invite and promo codes have been extended through July 4th — $70 to trade on Polymarket, $20 on Kalshi — with three World Cup knockout matches and a full Friday MLB slate live on the board.",
  "title": "Kalshi and Polymarket “promo codes” launch $50+ bonus through July 4th; Updated MLB and World Cup odds"
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