Hedge Funds Using Prediction Markets: How Event Contracts Hedge Risk Options Can't Touch

TL;DR

• An option hedge pays out on a price move; a Kalshi event contract pays out on the actual event (a ruling, a vote, a rate decision), which removes the basis risk that comes from betting the market prices an event the way you'd expect.
• A fund can buy a Yes contract on the adverse outcome (say, at a hypothetical 28 cents) and collect $1 if it happens, capping the hedge's cost at a known premium instead of taking a directional bet.
• Kalshi is a CFTC-regulated exchange, which is why it's clearing more compliance reviews at US funds than offshore or crypto-collateralized venues. Polymarket's own CFTC-regulated arm, Polymarket US, sits under the same regulator.
• This only works on liquid, well-traded markets with unambiguous settlement criteria. A thin market on an obscure ruling can be expensive or impossible to exit at the size a real hedge needs.

That's the shape of it. The rest of this breaks down why a price-based hedge can miss the thing you're actually afraid of, how a fund structures an event-contract hedge instead, and where each of the five platforms fits (and doesn't) for this use case.

Ever bought a put option to protect a position, only to watch the stock barely move on the exact news you were hedging against? That's basis risk showing up in real time: the option pays out on a price level, but the thing you were actually afraid of, a ruling, a vote, a rate decision, doesn't always move the price the way you'd expect. Hedge funds are starting to use prediction markets to close that gap. A Kalshi event contract doesn't pay out on how the market reacts to an event. It pays out on the event itself: yes it happened, or no it didn't.

That distinction is the whole story. Here's how it works and why it's becoming a real line item next to options and swaps rather than a curiosity.

Why Doesn't Hedging an Event With a Price Instrument Always Work?

Institutions have hedged event risk for decades, just indirectly. A fund worried about an antitrust ruling against a portfolio company buys puts on the stock. A fund worried about a central bank decision buys rate swaps or futures.

These instruments work by proxy: the event moves the price, and the hedge is built on the price.

The proxy breaks more often than people admit. Say a biotech holding faces an FDA decision, and a fund buys downside puts to protect against rejection.

If the ruling comes down negative but the stock only dips 4% because the market had already priced in a decent chance of failure, the puts pay out far less than the actual damage to the thesis. If the ruling is delayed instead of decided, the puts can expire worthless while the underlying risk is still sitting there.

This is basis risk: the gap between what you hedged and what actually happened. Every price-based instrument carries it, because it hedges the market's reaction to an event, not the event itself.

An event contract on a regulated exchange like Kalshi removes that gap. The contract is written on the ruling itself. FDA approves the drug, or it doesn't. Yes pays $1, No pays $0, and there's no ambiguity about whether the hedge triggered.

How Does an Event Contract Actually Offset Exposure?

The mechanic is simple enough to walk through with a clean example. Say a fund holds a large position in a company whose stock will move hard on a single regulatory ruling expected in six weeks. The fund believes a favorable ruling is 70% likely, priced accordingly across markets, but the 30% downside case would be severe for the position.

Instead of shorting the stock or buying puts, the fund buys Yes contracts on "regulator rules against the company" at a hypothetical 28 cents. If the adverse ruling happens, each contract pays $1, a return that's sized to offset the loss on the equity position. If the ruling goes the fund's way, the contracts expire worthless, and the fund books the premium as the cost of insurance, the same way it would treat an options premium that expired out of the money.

That's the whole trade. The fund isn't betting against its own position. It's paying a known, capped premium to remove one specific tail risk from an otherwise sound thesis.

The maximum loss is the premium. The payout is defined at entry. Nothing about the structure resembles speculation. It resembles buying insurance on a house you actually live in.

Why Are Institutions Using This Now, and Why Does a Regulated Exchange Matter?

Two things had to happen before institutions could touch this seriously. First, the markets had to get liquid enough that a fund could size a real hedge without moving the price against itself. In a thin market, even a five-figure hedge becomes its own risk.

Second, the exchange had to be regulated in a way compliance departments recognize.

Kalshi solves the second problem directly. It's a CFTC-regulated exchange, which means contracts trade under the same regulatory framework institutions already answer to for futures and swaps. That's a different proposition than an offshore or crypto-collateralized venue, not because those venues are illegitimate, but because a compliance officer can sign off on CFTC oversight in a way that's harder to do for an unregulated one.

Liquidity and regulatory clarity together are why this conversation is happening now rather than five years ago. The instrument existed. The conditions for institutions to use it at size didn't.

Which of the Five Platforms Fits Best for Institutional Hedging?

PredictionHero aggregates all five major platforms, and they are not interchangeable for institutional hedging. The differences are structural, not cosmetic.

Kalshi is a CFTC-regulated exchange, and among the more established venues for clearing a compliance review at a US-based fund. It settles in dollars through bank transfers, which matters for funds that don't want crypto collateral anywhere near their balance sheet.

Polymarket carries the deepest liquidity of any platform in the group, which matters for sizing a hedge without slippage. Its regulatory posture varies by user location. The international platform doesn't require the same identity verification Kalshi does for basic access, while US institutional use runs through Polymarket US, a separate, CFTC-regulated exchange sitting under the same regulator as Kalshi.

Predict.Fun runs on BNB Chain. Collateral posted into an open position earns yield for as long as the position stays open, a mechanic that appeals to funds thinking about capital efficiency on top of the hedge itself.

Limitless trades on-chain and runs a central order book alongside a separate set of short-duration hourly and daily contracts, useful for hedging events with a tight, near-term resolution window rather than a multi-month exposure.

Opinion was built specifically for macro event trading: FOMC decisions, CPI prints, GDP data. For a fund hedging a rate decision or an inflation print rather than a company-specific event, Opinion's contract selection is built for exactly that.

Checking prices across all five before entering matters more here than in retail use. Identical events can trade at meaningfully different implied probabilities across venues, and the platform with the cheapest premium for the same hedge is the one that makes the trade worth doing. If you're sizing a smaller, retail-scale version of this same trade rather than a fund-level hedge, our hedging guide walks through the crypto-native version step by step.

Where Does This Hedging Approach Break Down?

Event contracts aren't a clean substitute for options and swaps everywhere. Smaller markets lack the depth to enter or exit a large position without moving the price.

Resolution language can be ambiguous enough to create a dispute right when the fund needs the payout most, so reading settlement criteria before entering isn't optional. Regulatory access to specific contracts varies by jurisdiction and can change with little warning.

These constraints point to a clear rule: event contracts work best as a hedge when the underlying event has a single, well-traded market with unambiguous settlement criteria and enough volume to enter and exit at size. A niche market on an obscure regulatory sub-decision is not where this tool belongs yet.

How Do Event Contracts Compare to Options and Swaps for Risk Management?

Sources

• Kalshi. "Exchange Rulebook & Contract Rules." kalshi.com
• PR Newswire. "Polymarket Acquires CFTC-Licensed Exchange and Clearinghouse QCEX for $112 Million." prnewswire.com
• Predict.Fun. "About." predict.fun
• Opinion. "Understanding the Order Book." docs.opinion.trade

PredictionHero aggregates publicly available prediction market data for informational purposes only. This is not financial advice. Prediction markets may not be available in all jurisdictions.