Lawmakers want to crack down on prediction markets

More than 10 bills have been introduced since January (six in March) to restrict prediction markets after bets tied to the Iran war prompted insider-trading and wartime-profits concerns. A bipartisan bill from Sens. Schiff and Curtis would bar CFTC-registered entities from listing contracts that resemble sports betting, while Sen. Murphy’s proposal would ban wagers on government actions, terrorism, war and assassination. Major platforms Kalshi and Polymarket face legal fights with state and tribal regulators and are ramping up lobbying/PR (ads, hires, terms updates) to defend their business models, increasing regulatory risk for the sector.

Analysis

Regulatory attention is a latent demand shock that would reallocate trading volume from unregulated or offshore venues into regulated exchanges and licensed venues if the CFTC/state boundaries are clarified in favor of financial-market treatment. A conservative near-term addressable handle for US-based, regulated event contracts is plausibly $1–3bn/year over 12–24 months; at a 3–5% take rate that implies $30–150m incremental fee pool available to a single large exchange, enough to move 3–8% off current market caps for incumbents if captured.

The principal losers are native unregulated/crypto-first venues and any consumer-facing operators that monetize thin-margin retail event bets; a regulatory squeeze would raise compliance and payments costs, shaving 10–30% of active users in the first 6–12 months and forcing migration offshore or into DeFi, which exacerbates operational and legal tail risk for US-based fintechs. Secondary effects include higher bid-offer spreads for exotic political lines (worse liquidity) and an expansion of listed hedging products (options/futures) on traditional exchanges — a margin source that benefits liquidity providers and market-data vendors.

Key catalysts and timing: near term (weeks–3 months) — congressional hearings, targeted bills and CFTC guidance that set jurisdiction; medium term (3–12 months) — passage or defeat of narrow bills (e.g., bans on war/assassination contracts) that materially shrink contractable universe; long term (12–24 months) — industry consolidation and cross-sell of hedging products into core FICC clients. Tail risk: a broad ban would push liquidity offshore rapidly and could cut the domestic revenue pool by >70% within 6–12 months, while a measured regulatory clarification would concentrate volume and fees with incumbents and spin out new listed derivative products.

Key Decisions for Investors

• Initiate a tactical overweight in CME Group (CME) — 6–18 month horizon. Rationale: best-positioned to capture migrated event-contract flow and launch listed hedges; risk/reward: expect 15–30% upside if CFTC jurisdiction clarifies in favor of exchanges, with ~10–15% downside if Congress imposes sweeping bans. Size: 1–2% of portfolio.
• Pair trade: long Cboe Global Markets (CBOE) + short DraftKings (DKNG) — 6–12 month horizon. Rationale: CBOE benefits from productization and market-data cross-sell; DKNG faces regulatory and tax exposure if states tighten gambling analogies. Target return: pair aims for 20–35% gross return if policy favors financial-market treatment; max pair loss ~12–18% if bans are limited to narrow contract types.
• Options asymmetric: buy 9–12 month call spreads on ICE (ICE) or CME to limit premium while capturing regulatory clarity upside. Position size small (0.5–1% notional each) — win multiple >3x if exchanges re-rate; limited downside = premium paid.
• Hedge/watchlist: maintain a 0.5–1% tail hedge via out-of-the-money puts on exchange longs for the 3–12 month window to protect against a surprise legislative ban that could remove >60% of domestic event volume quickly.