Published on: 31/07/2026

How Coinbase’s Prediction Markets Actually Work

Coinbase prediction markets aren’t a product Coinbase built from scratch — they’re Kalshi’s CFTC-regulated event contracts, made tradable inside the Coinbase app itself. Coinbase rolled the feature out to all 50 US states on January 28, 2026, funded in USD or USDC straight from a user’s existing Coinbase balance, with Coinbase Custody safeguarding the USDC behind Kalshi’s contracts. Since launch, Coinbase has moved to own more of the stack — buying a prediction-market infrastructure company, adding its own contract types, and turning the category into a real, fast-growing revenue line. This guide covers what’s actually there to trade, what it costs, the state-level legal fight still playing out, and how it stacks up against a crypto-native rival like Polymarket.

What “Coinbase prediction markets” actually means

Coinbase doesn’t run its own prediction-market exchange — it’s a distribution channel for Kalshi’s contracts. Kalshi, the largest CFTC-regulated prediction market in the US, supplies the actual order books; Coinbase supplies the app, the funding rails, and custody for the USDC behind the trades. Coinbase Custody was announced as Kalshi’s custody partner for event-based contracts in November 2025, and the trading feature itself went from an invite-only pilot to nationwide availability on January 28, 2026.

The contracts work exactly like Kalshi’s: simple yes/no questions — will the Fed cut rates in September, will a given team win its game, will Bitcoin trade above a set level by a given date — priced between $0.01 and $0.99. That price is the market’s live implied probability, and a correct contract settles at $1 while an incorrect one settles at $0. You don’t have to hold to expiry either; contracts can be sold at the prevailing price at any point to lock in a gain or cut a loss, the same mechanic that separates any prediction market from a fixed-odds sportsbook bet. In the app, the feature sits under a “Predictions” section alongside Coinbase’s crypto, stock, and derivatives tabs.

How to trade: funding, mechanics, and fees

The practical advantage of trading through Coinbase rather than going directly to Kalshi is that funding is frictionless if you’re already a Coinbase user: contracts are purchased with USD or USDC pulled straight from your existing Coinbase balance, with no separate account, wallet, or currency conversion step required. That’s a meaningfully simpler on-ramp than Polymarket’s international site, where funding still runs through crypto rails.

Fees are where the picture gets murkier. Kalshi’s own published formula charges roughly $0.07 per contract multiplied by price and (1 − price), which peaks at the 50-cent price point — where uncertainty is highest — and shrinks sharply toward the extremes, capping out near $1.75 per 100 contracts at that midpoint. Coinbase applies its own markup on top of that base fee, and unlike Kalshi’s schedule, it hasn’t published the exact figure. In practice, check the fee shown at order time against trading the same contract directly on Kalshi rather than assuming either is cheaper.

Coinbase’s bigger bet: from Kalshi front-end to owned infrastructure

Coinbase isn’t treating this as a one-off integration. In December 2025, it agreed to acquire The Clearing Company, a prediction-market infrastructure firm whose team includes veterans from both Polymarket and Kalshi, with the deal expected to close in January 2026 — a move Coinbase framed as building toward an “Everything Exchange” where crypto, stocks, derivatives, and event contracts all sit in one product. That acquisition sits alongside a broader 2026 expansion that also added tokenized stocks, options trading, and support for agentic (AI-driven) trading through a new “Coinbase for Agents” platform.

The results show up in Coinbase’s own numbers. Its Q2 2026 earnings, released July 30, 2026, reported that prediction-market contracts and revenue more than doubled quarter over quarter — up 106% — crossing $100 million in annualized revenue. A new “crypto binaries” experience — short-dated yes/no contracts on crypto price thresholds rather than months-long macro or political questions — launched late in the quarter and drove 3x more daily traders and 4x more daily revenue than May’s average, a sign Coinbase is becoming less of a pure Kalshi storefront over time.

The legal fight: is this even settled?

Whether prediction markets count as federally regulated derivatives or state-regulated gambling is still being fought out in court, and Coinbase is a direct party to that fight. Availability is nationwide with one confirmed exception — Nevada, where state gaming rules currently conflict with the CFTC-oversight model Coinbase and Kalshi rely on. Beyond that, the legal exposure is real: in April 2026, New York’s attorney general sued Coinbase (and separately, Gemini) seeking more than $2.2 billion in damages, arguing the event contracts amount to unlicensed gambling under state law. The same month, the CFTC sued Arizona, Connecticut, and Illinois to block those states from asserting their own jurisdiction, and a federal appeals court in Philadelphia sided with Kalshi shortly after, ruling the CFTC — not state gaming regulators — holds exclusive authority over sports-related event contracts. Coinbase itself had already sued Illinois, Michigan, and Connecticut back in December 2025 over the same jurisdictional question.

As of this writing, none of the core Coinbase cases have reached a final ruling, and litigation remains active in multiple states at once. The appeals-court win is a favorable precedent for the industry’s federal-jurisdiction argument, but it doesn’t resolve New York’s separate suit or guarantee every state falls in line. Anyone trading on Coinbase should treat “nationwide” as accurate today, not necessarily guaranteed to stay that way in every state.

Coinbase vs. Polymarket: two crypto-native platforms, different playbooks

Both platforms sit at the intersection of crypto and event contracts, but they got there from opposite directions. Coinbase built a regulated, USD-native user base first and bolted on prediction markets through a partner; Polymarket built the largest prediction market in the world on USDC rails first and only recently built its own regulated US exchange. For traders comparing the two, our Polymarket prediction markets guide covers how that platform’s UMA oracle resolution and category breadth actually work.

Our verdict: who should actually use this

If you already hold crypto or cash on Coinbase and want to trade a Fed decision or a game outcome without opening a second app, the convenience case is genuine — funding is instant, and Coinbase Custody backing the USDC is a real security advantage over an unregulated offshore option. But it’s worth being clear-eyed that you’re trading Kalshi’s markets with an extra, undisclosed fee layer on top, not something unique to Coinbase’s own technology yet. Traders who want the full picture of what else exists — including platforms with published fee schedules, different resolution mechanisms, or narrower regional focus — should work through our full list of prediction markets platforms and our ranked top prediction market apps comparison before funding an account anywhere.

Contract structures also get more complex than a simple yes/no once you look past headline markets — spread-style and multi-outcome contracts function more like the exotic derivatives in prediction markets we cover separately, and that’s worth understanding before sizing a position past a single binary bet. And because both Coinbase’s funding rails and Kalshi’s settlement run on dollar-pegged stablecoins, the underlying mechanics have more in common with crypto betting and the wider crypto casino world than with a traditional brokerage account — worth keeping in mind if stablecoin exposure itself is new to you.

Frequently asked questions

What are Coinbase’s prediction markets?

They’re Kalshi’s CFTC-regulated event contracts made tradable inside the Coinbase app, funded with USD or USDC from a user’s existing Coinbase balance. Coinbase Custody safeguards the USDC behind the contracts, and the feature launched nationwide on January 28, 2026.

Did Coinbase build its own prediction market exchange?

Not initially — at launch, all market flow came from Kalshi. Coinbase has since moved to own more of the stack, agreeing to acquire prediction-market infrastructure firm The Clearing Company in December 2025 and adding its own “crypto binaries” contract type by Q2 2026.

Can I use USDC to trade Coinbase’s prediction markets?

Yes. Contracts can be funded with either USD or USDC directly from your existing Coinbase balance, and Coinbase Custody holds the USDC that backs Kalshi’s side of the trades.

What does it cost to trade?

Kalshi’s published fee formula is roughly $0.07 per contract multiplied by price and (1 − price), peaking near the 50-cent price point. Coinbase adds its own markup on top of that base fee, and the exact size of that markup isn’t publicly disclosed, so it’s worth checking the fee shown at order time.

Is Coinbase’s prediction markets product legal in every state?

It’s available in 49 states, with Nevada currently excluded. The broader legal question is unsettled: New York sued Coinbase in April 2026 seeking over $2.2 billion, while a federal appeals court sided with Kalshi on the CFTC’s exclusive jurisdiction over sports contracts the same month. No final ruling on the core Coinbase cases has been reached.

How is Coinbase different from Polymarket?

Coinbase distributes Kalshi’s regulated contracts through an existing crypto-exchange app with Coinbase Custody backing the USDC involved. Polymarket runs its own order books resolved through UMA’s Optimistic Oracle, funded globally in USDC, with a separate CFTC-regulated Polymarket US app for dollar funding.

Is my money protected if something goes wrong?

The USDC behind Kalshi’s contracts is held by Coinbase Custody, an institutional-grade custodian, and the underlying contracts run through a CFTC-regulated exchange. That’s a different risk profile from a non-custodial platform, but it doesn’t remove the normal risk that a contract itself can expire worthless.

What happened with The Clearing Company acquisition?

Coinbase agreed in December 2025 to acquire The Clearing Company, a prediction-market infrastructure firm staffed by veterans from Polymarket and Kalshi, with the deal expected to close in January 2026 as part of Coinbase’s push to own more of its own event-contract technology rather than relying solely on Kalshi.

Read next: our prediction markets guide for the fundamentals of how event contracts work across every platform in this cluster.

For the primary sources behind the facts above, see Coinbase’s own announcement of the custody partnership and news coverage of the January 2026 nationwide rollout.

18+. Prediction markets involve real financial risk — contracts can expire worthless, and you should never trade with money you can’t afford to lose. If gambling or trading stops being fun, seek support from a problem-gambling helpline in your country.