Polymarket's 15min up/down market captured over $1 million in fees last week, surpassing Opinion's weekly fee revenue and accounting for 45.4% of the weekly fees in on-chain prediction markets. As one of the most competitive markets for bot strategies on Polymarket, it has accumulated over $4 million in fees since taker fees were introduced in early January, and has already distributed approximately $2.5 million to makers and liquidity incentives.