Kalshi and Polymarket have dominated the prediction market area this 12 months. Nonetheless, latest developments level to rising challengers. Certainly one of them is Opinion Labs, a prediction platform that’s allegedly backed by Yzi Labs, Binance’s funding arm.
The platform reportedly grew to become the third prediction market to surpass $700 million in buying and selling quantity over per week.
Market watchers are actually calling an arms race for supremacy, regardless of the pinnacle begin that the duo of Kalshi and Polymarket presently get pleasure from.

Opinion Labs grew to become the one prediction market moreover Kalshi and Polymarket to achieve $700 million weekly in buying and selling quantity. Supply: Messari
Opinion Labs turns into third possibility behind Kalshi and Polymarket
There isn’t a doubt that Kalshi and Polymarket are the present undisputed leaders within the prediction markets area, however rivals are already rising to say shares in a fast-growing market.
Opinion Labs attracted $748.8 million in notional quantity for the week of October 27, 2025; Kalshi earned $1.26 billion, and Polymarket attracted $1.11 billion. It’s no imply feat, contemplating that Opinion opened its prediction market to the general public on November 4. Earlier than then, customers wanted an invitation code to get in.
Austin Weiler, analysis analyst for Messari’s protocol companies staff, famous Opinion’s entry into the prediction markets sport expressed pleasure to see one other “probably main” participant with the amount to again up operations enter the prediction markets area.
One other comparable contender is the Limitless platform, which is presently thriving on Base. Whereas the decentralized prediction market has been gaining buzz as a “Polymarket clone” with its smaller however fast-growing footprint, it promotes itself on the promise of decrease charges and simpler on-ramping for retail customers.
October was nice for prediction market platforms Kalshi and Polymarket
Prediction markets are right here to remain, and Kalshi and Polymarket are the present leaders of the rising brood. In keeping with Austin Weiler, who shared a thread on their efficiency, final month, Polymarket recorded $1.9 billion in notional quantity whereas Kalshi had $1.8 billion, each paced at over $45 billion annualized as of October 22.

Kalshi and Polymarket recorded an identical stats in quantity for the month in October. Supply: Messari
The analyst implied the efficiency has been the results of a battle for supremacy amongst prediction platforms, with their makes an attempt to outdo one another driving actual product enhancements and attracting consideration to prediction markets exterior of crypto.
Kalshi and Polymarket additionally lead when it comes to funding. Weiler’s thread claims each groups have insane funding, with Kalshi elevating $185 million in June and one other $300 million in October, whereas Polymarket closed a $2 billion spherical from ICE final month.
The NHL additionally signed licensing offers with each Kalshi and Polymarket, making it the primary main U.S. league to endorse prediction markets. With the partnership, Kalshi and Polymarket are actually capable of run NHL-branded markets & will get visibility throughout league broadcasts.
This implies hundreds of thousands of viewers, a number of whom have by no means heard of prediction markets, will now see them on TV, not simply CT. All that is anticipated to translate into elevated curiosity in prediction markets, and when that occurs, platforms like Kalshi and Polymarket have already got infrastructure in place to serve.
In fact, with the rising sector, in addition they now have to fret about rivals, a few of whom have emerged.

