Category
Review
Articles, reviews, and how-tos in the Review category on the OpenMarkets blog.
Polymarket US 2026 Review: Trade on sports, politics, and more
Polymarket US is live: a CFTC-regulated exchange for sports, politics, economics and weather, with no vig, zero maker fees and ICE and MLB behind it. Our full review.
ProphetX Review: Sports Prediction Market
ProphetX is America's first CFTC-regulated sports prediction exchange: peer-to-peer pricing, commission on winnings only, back-and-lay, and no limits on sharp bettors. Our full review.
BetOpenly Review: True Peer-to-Peer Betting
BetOpenly is a true peer-to-peer sportsbook with 1% juice and no limits on winners. We review the product, the math, and where it fits in a serious bettor's stack.
Polymarket Review 2026: World’s Top Prediction Market
On-chain prediction market with deep liquidity, low fees and CFTC-regulated US access, but onboarding and oracle disputes persist.
Kalshi Review 2026 Prediction Market: Trade on Anything
CFTC-regulated prediction market review: markets, fees, APY, liquidity, risks, and trading tips.