Polymarket と他の予測市場の比較

手数料、カストディ、決済手段、地域での利用可否において、Polymarket を Kalshi、PredictIt、Manifold、Robinhood Event Contracts、Limitless と並べて比較します。

• Polymarket vs Kalshi (2026)

  A factual side-by-side of Polymarket and Kalshi covering fees, custody model, KYC, payment rails, geographic availability, liquidity, and the kinds of markets each venue is good for.

• Polymarket vs PredictIt (2026)

  How Polymarket compares to PredictIt — the academic CFTC no-action prediction market — across fees, position limits, liquidity, and market quality.

• Polymarket vs Manifold Markets (2026)

  Polymarket trades real USDC; Manifold trades a play-money currency (mana) you cannot directly cash out. Here's how the two stack up for traders, forecasters, and developers.

• Polymarket vs Robinhood Event Contracts (2026)

  Robinhood added event contracts in 2024 via a Kalshi white-label arrangement. How does that offering compare to native Polymarket trading on Polygon?

• Polymarket vs Limitless (2026)

  Limitless is a Base-native prediction market that uses an AMM model rather than an order book. Here's how it stacks up against Polymarket's CLOB exchange.