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Plain-English guides to Kalshi, CFTC-regulated event contracts, and the broader prediction-market ecosystem. No fluff, no affiliate spam.

Kalshi is a CFTC-regulated prediction market exchange where US traders trade binary event contracts on economics, politics, weather, and current events. kalshi.health provides trading guides, platform status checks, fee calculators, and liquidity analysis to help traders navigate prediction markets safely and profitably.

Kalshi basics

How Kalshi works: the CFTC-regulated event-contract exchange

Kalshi is the only CFTC-regulated event-contract exchange in the US. Here's exactly how a contract is listed, traded, and settled — without the jargon.

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Kalshi fees explained: what you actually pay per trade

Kalshi's fees are public and formulaic — but the formula is non-linear. Here's how to estimate your true cost before you click Buy.

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How to Fix Kalshi App Issues: Login, Location & Trading Errors

Most Kalshi app problems trace back to five root causes. Here's how to diagnose and fix each one — starting with checking whether the exchange itself is actually down.

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Compare platforms

Kalshi vs Polymarket: the honest comparison for US traders in 2026

Both list event contracts. One is a CFTC exchange settling in USD; the other is a crypto protocol settling in USDC. Here's what that actually means in practice.

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Trading

Best event contracts on Kalshi in 2026: where the volume actually is

Not every Kalshi market is liquid. These are the categories where the order book is deep enough to actually trade size in 2026.

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How markets work

Prediction-market glossary: 30 terms every Kalshi trader should know

A focused glossary of the language used on Kalshi, Polymarket, and the broader prediction-market ecosystem in 2026.

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Frequently asked

What is Kalshi and how does it work?

Kalshi is a federally regulated US exchange allowing users to buy binary YES or NO contracts on real-world outcomes. Contracts trade between $0.01 and $0.99 and settle at $1.00 if the defined event occurs.

Is Kalshi legal in the United States?

Yes, Kalshi is fully legal in the US as a Designated Contract Market (DCM) regulated by the Commodity Futures Trading Commission (CFTC), operating legally across all 50 states.

How does Kalshi differ from sports betting?

Unlike sportsbooks taking the opposing side of bets, Kalshi operates an exchange with a central limit order book matching buyers and sellers directly with transparent market-driven probabilities and regulated pricing.