According to Odaily Odaily, in response to Parity's previous prediction market revenue rankings, crypto analyst Dash posted on the X platform that Kalshi's data is highly likely accurate. Based on its fee structure and publicly available taker transactions, its fees are approximately $118 million. If transactions are conducted through Robinhood, a 1% notional amount estimate is more accurate; Kalshi's notional trading volume over the past 30 days is $11 billion.
Furthermore, transaction fees in on-chain prediction markets are often underestimated. Currently, platforms like DefiLlama primarily calculate fees in USD or stablecoin terms, ignoring fees denominated on a per-share basis. Including this per-share fee would result in significantly higher actual fees for platforms like Polymarket, predict.fun, and Limitless, with Predict.fun's fees being approximately 40% higher and Polymarket's approximately 80% higher.
