DraftKings Predictions Hits $1.3bn Annualised Consumer Volume in May; Railbird DCM and Combos Reshape the Competitive Field
DraftKings reported in an 8-K filing on 9 June 2026 that DraftKings Predictions ran $1.3bn in annualised consumer volume in May, +24% month-on-month, with $3.1bn in annualised total volume. The company is investing $200-300m in prediction markets in 2026 and will launch its own DCM (Railbird), in-house exchange technology, and a Super App before year-end.
DraftKings disclosed in an 8-K filing on 9 June 2026 that DraftKings Predictions ran $1.3bn in annualised consumer volume in May 2026, a 24% month-on-month increase. Total annualised volume (consumer plus market-making flow) reached $3.1bn, up 34% over April. The product launched in December 2025; six months later it is operating at a run rate that puts it within an order of magnitude of Kalshi's current weekly volume. April was itself a record: $1bn+ consumer volume and $2.3bn+ total volume, both up 38-43% over March.
The 8-K matters less for the May numbers themselves than for what it signals about DraftKings' strategic posture. CEO Jason Robins told the Q1 earnings call the company will invest $200-300m in its predictions offering in 2026 and explicitly framed it as the wedge for entering new states. Three product launches anchor the roadmap: Railbird, DraftKings' own Designated Contract Market licence application; an in-house exchange technology stack including a futures commission merchant and a derivatives clearing organisation; and a Super App merging sportsbook, iGaming, lottery, and predictions into a single nationwide front-end with state-specific feature gating. Railbird specifically is the move that takes DraftKings out of the customer-of-Kalshi role and into a direct CFTC-regulated competitor.
The Combos product launched in May is the under-rated wedge. Combos let users link two event contracts into a single trade with a multiplied payout — mechanically this is the prediction-market translation of the same-game parlay, the single most important sportsbook product of the past five years. Kalshi has not launched a comparable feature; Polymarket cannot under its current AMM-pool architecture. DraftKings is also alone in offering the integrated retail experience — a customer can shift between state-regulated sportsbook, state-regulated iGaming, and CFTC-regulated event contracts without changing apps. That bundling is something neither Kalshi nor Polymarket can replicate without state gaming licences they have explicitly avoided seeking.
For UK readers the parallel is that DraftKings has had limited UK footprint historically, but its Super App and own-DCM architecture is the kind of integrated retail-derivatives stack the FCA has been signalling it may eventually permit under a tightly-bounded framework. The Kalshi-vs-Polymarket framing is incomplete: by Q4 2026 the field looks like Kalshi, Polymarket, Robinhood (26 million users, MIAXdx DCM), and DraftKings (bundled retail, Railbird DCM, Super App). The CFTC's pending OMB rule and the six federal state-preemption cases will determine the regulatory frame; the volume numbers determine who has leverage when those rulings come down.
Operators mentioned in this article
Recent updates
Kalshi Launches Gold and Silver Perpetual Futures After CFTC Approval — First Non-Crypto Perps Cleared in the US
The CFTC approved and Kalshi launched perpetual futures on gold and silver on September 10 — the first non-cryptocurrency perps to receive US regulatory clearance. Contracts are cash-settled, perpetual, and 24/7. Kalshi has pending applications for US equities, copper, and currencies. Crypto perps have done $44 billion in notional volume since May. The launches put Kalshi in direct competition with CME and COMEX as US commodity trading venues.
Robinhood Agrees to Exit Michigan Sports Contracts by October 9 — Court-Approved Deal Described as Blueprint
Robinhood Derivatives agreed on September 4, under a court-approved stipulation, to stop new Michigan sports event contracts by September 9 and close positions by October 9. Michigan will not enforce gambling laws against Robinhood while it complies. The deal preserves Robinhood's CEA preemption argument and keeps Sixth Circuit appeals on track. Legal Sports Report called it a potential blueprint for similar interim accommodations between platforms and states.
Kalshi Seeks Ninth Circuit En Banc Rehearing While Robinhood Files Separate SCOTUS Petition
Kalshi petitioned the full Ninth Circuit (11 judges) for en banc rehearing of the August 28 3-0 ruling for Nevada on September 9. On the same day, Robinhood filed a separate SCOTUS certiorari petition from the same ruling, going directly to the Supreme Court. New Jersey already has a SCOTUS petition filed from the Third Circuit's April ruling. Two cert petitions now sit before SCOTUS on the prediction market question.