Looking at the 2025 prediction market rankings by volume on DefiLlama, the leaderboard tells an interesting story. The usual suspects occupy the top spots—Polymarket, Kalshi, and Opinion—dominating the space by sheer trading activity.

Not much of a surprise there, honestly. These platforms have carved out their positions through solid fundamentals and consistent user engagement. But here's the thing worth thinking about: will this top three hold their ground come 2026? The prediction market landscape is heating up, and if current momentum continues, I'd wager these same names remain the market leaders. The infrastructure and user base they've built aren't easy to dislodge, and momentum in crypto tends to favor first-movers who actually execute.