Looking back over 2025, prediction markets emerged as one of the year’s most conspicuous trading themes, drawing in retail speculation, venture capital and a growing share of market attention. The appeal was especially visible during the US election cycle, when contract prices on political outcomes became a live gauge of shifting sentiment. After a court ruling in October 2024 cleared the way for Kalshi to list election contracts for retail users, the sector moved from niche curiosity to mainstream talking point, with industry tracking later showing extraordinary growth at both Kalshi and Polymarket.

By early 2026, the two platforms had become the sector’s defining names. Analysis cited by Finance Magnates Intelligence put Kalshi at about $23.8 billion in annual volume for 2025, alongside a 1,108% year-on-year increase, while Polymarket generated roughly $21.5 billion. Separate reporting from Covers said both platforms had already posted record monthly activity in late 2025, each moving above $5 billion in November, while Kalshi briefly overtook its rival in October and September volumes as U.S. participation accelerated.

That commercial success has an obvious explanation: prediction markets turn uncertainty into a tradable product. But the more interesting story lies in why they are so sticky. The article points to B.F. Skinner and the logic of operant conditioning, arguing that repeated, small feedback loops can be more powerful than blunt reward-and-punishment systems. In trading terms, the constant recalibration of odds creates a rhythm of action and response that keeps users engaged.

Neuroscience helps explain why that rhythm is so effective. The anticipation of a possible win, rather than the win itself, is what tends to activate the brain’s reward circuitry most strongly, especially when outcomes remain uncertain. That makes prediction markets feel closer to gambling than conventional investing, even when they are framed as a tool for information discovery. The result is a business model built not just on forecasts, but on the human appetite for suspense.

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Source: Noah Wire Services