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Kalshi’s popularity has surged dramatically over the past two years. Although it launched in 2021, many people only learned about it during the 2024 US presidential election and again in 2025, when it introduced sports-based prediction markets.
Today, interest in the platform continues to grow. If you’ve heard the buzz but aren’t sure how Kalshi works, this guide breaks it down.
What is Kalshi? A modern prediction market
Kalshi is a prediction market where people trade on the outcomes of real-world events. Users can profit by predicting events correctly, from whether it will rain tomorrow in New York to whether the Federal Reserve will cut interest rates. The platform covers nearly every category imaginable, including politics, economics, technology, weather, and more.
While it may sound like betting, Kalshi operates more like a stock exchange. Instead of buying and selling shares, users trade event contracts, a legally recognized asset class, based on the outcome of future events.
How trading works: contracts, odds, payouts
All events on Kalshi follow a binary Yes/No model, though some contracts use multiple options within that framework. Simple contracts might ask, “Will the U.S. Consumer Price Index rise above 4.5% in January 2026?” More complex contracts could cover markets like cryptocurrency, tech, or sports, but each option still uses a Yes/No structure. For example, a sports contract could ask, “Will the Los Angeles Lakers win the 2026 NBA Finals?” with Yes/No choices for each outcome.
When you choose “Yes” or “No,” you are buying an event contract. Prices for contracts range from $0.01 to $0.99 and always add up to $1. A “Yes” contract priced at $0.35 indicates a 35% chance of success, while the corresponding “No” contract reflects a 65% probability. Prices fluctuate dynamically based on user buy/sell activity—no house or oddsmaker is controlling the odds.
Winning contracts pay $1 each. For example, if you buy a “Yes” contract for $0.35 and your prediction is correct, you make a $0.65 profit. Your total profit depends on your stake: a $10 investment in $0.35 contracts would yield a $18.57 profit if all predictions succeed. Losing contracts pays $0, so trading carries risk. Kalshi allows early exits from positions in events with enough liquidity, helping traders limit potential losses.
Markets you can trade on Kalshi
Kalshi covers more than 10 categories, including:
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Politics
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Sports
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Culture
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Crypto
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Economics
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Financials
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Companies
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Climate
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Tech & Science
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Health
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World
Sports and politics dominate in popularity due to frequent, high-profile events. Tech, crypto, financials, and economics are also active markets. Popularity often depends on hype around a specific event. Some sports-based markets are controversial and restricted in certain states.
It’s all legal: regulated by the CFTC
Trading on Kalshi is fully legal. The platform is regulated by the Commodity Futures Trading Commission (CFTC) as a Designated Contract Market, allowing it to create and offer event contracts. Kalshi was the first prediction market to receive federal approval and regulation.
Federal regulation means Kalshi should be accessible nationwide. However, some states, including New York, have restricted certain markets, and the platform faces legal disputes in a few jurisdictions.
