Charles Schwab and Citadel Securities are studying prediction markets at a moment when the sector is growing fast enough to attract serious institutional attention, yet still falls short of the standards large firms expect before committing capital. The key question is no longer whether these venues are interesting, but whether they can mature into products that fit institutional risk, custody and compliance frameworks.
That caution is understandable given the pace of recent expansion. Trading activity surged in early 2026, with combined monthly volume on major platforms reaching $23.6 billion in March alone, while cumulative activity on leading venues such as Kalshi and Polymarket moved past $60 billion in the opening months of the year. Those figures help explain why major brokers and market-makers are paying close attention, because the market is already too large to dismiss as a niche experiment.
Volume Growth Is Real, but Liquidity Still Looks Thin
The problem is that scale in headline volume does not automatically translate into institutional-quality trading conditions. Citadel Securities president Jim Esposito made that clear when he said the firm is not ready to engage because liquidity is still too limited, a view that goes directly to spreads, execution quality and the ability to hedge risk without distorting the market. In practical terms, institutional interest is being held back less by curiosity than by market depth.
Charles Schwab is approaching the category from a similarly measured angle. Chief executive Rick Wurster said the firm will likely enter prediction markets at some point, but only through structures that align with long-term financial planning rather than contracts tied to sports, politics or pop culture. That distinction matters because Schwab is signaling that institutional adoption will depend as much on product design as on market growth.
Regulation and Infrastructure Will Decide the Pace
The market is also expanding under unresolved legal pressure. Prediction market platforms continue to face scrutiny over whether event contracts should be treated as regulated financial instruments or as a form of gambling, and that classification question remains central to whether larger firms can participate at scale. Until that issue is resolved more clearly, legal ambiguity will remain one of the biggest barriers between current momentum and institutional adoption.
Infrastructure is the other major test. Broker-dealers, custodians and market-makers need more than a functioning venue; they need central clearing, custody segregation, settlement finality, surveillance, insider-trading controls and resilient reconciliation systems before routing meaningful client flow. Recent developments such as Kalshi’s FCM approval and its clearing partnership with FIS show progress, but institutional participation will still depend on whether those foundations prove durable under real trading conditions.
That leaves the sector in a transitional phase. Wall Street firms are no longer ignoring prediction markets, but they are not treating them as fully investable infrastructure either. Through the rest of 2026, the deciding factors will be whether platforms can deliver better liquidity, clearer legal treatment and stronger clearing and surveillance capabilities, because only that combination will turn institutional curiosity into actual deployment.