How Kalshi Works: Legal, Trading

What is Kalshi?

Kalshi is a prediction market exchange. Instead of buying a share of a company, you buy a yes or no contract on whether something will happen, and the contract pays out based on the result. Will the Federal Reserve cut rates this month. Will a named team win its division. Will inflation come in above a set number. Each of those is a market, and each market has two sides you can buy.

Every contract trades somewhere between 1 cent and 99 cents, and the price is the market’s estimate of how likely the event is. A contract trading at 62 cents means the crowd is pricing that outcome at roughly a 62 percent chance.

The payout is fixed. If you buy the yes side at 62 cents and the event happens, the contract settles at exactly $1.00 and you keep the difference. If it doesn’t happen, the contract settles at $0 and you lose what you paid. Your maximum loss is what you put in, decided the moment you buy.

You don’t have to wait for the event to find out. Prices move as news comes in, and you can sell your contract at the current price any time before the market closes, locking in a profit or cutting a loss the same way you’d exit a stock. That is the part that separates Kalshi from placing a bet: a bet is settled only when the game ends, but a contract has a live price you can act on the whole way through.

Kalshi sorts its markets into a handful of categories, with new ones added every week:

Beyond these event contracts, Kalshi has also moved into perpetual futures, a different product with no fixed expiry, starting with a bitcoin contract approved in May 2026.

What it costs to trade

Kalshi makes its money on a trading fee, and it helps to see that fee against two things you might already know. A sportsbook builds its markup into the odds, the vig, so you never see the cost as a separate charge. Kalshi doesn’t do that. It charges a fee on the trade itself, which means you can see exactly what you’re paying, closer to how a stock broker works.

The stock comparison gets you most of the way there. When you buy shares, a broker charges a commission on the trade, a cost separate from the price of the stock. Kalshi’s fee works the same way, with one difference: a stock commission is usually a flat rate or a fixed percentage, while Kalshi’s fee changes with the contract’s price.

The fee is highest on contracts near 50 cents and shrinks as the price moves toward 1 cent or 99 cents. The reason is built into the math: a contract at 50 cents is a true coin flip, the point of maximum uncertainty, and that is where the fee peaks. A contract trading at 95 cents is close to settled, so the fee on it is a fraction of a penny. In practice this means the more lopsided your market, the less you pay to trade it.

Kalshi fee schedule

The general trading fee per contract, at representative prices, effective July 7, 2026:

The pattern is the parabola described above: the fee peaks at $1.75 per 100 contracts on a 50-cent market and falls off symmetrically toward either end. Kalshi also charges lower maker fees on resting limit orders that add liquidity to the book, and it runs a reduced fee schedule on its S&P 500 and Nasdaq-100 markets.

On the contract itself, the trading fee is all you pay. Holding a contract and settling it both cost nothing, and Kalshi’s advanced trading terminal, Kalshi Pro, is free to use rather than a paid subscription.

Funding your account is where the other fees show up. ACH bank transfers are free on both deposit and withdrawal, and Kalshi adds no charge of its own on wire transfers, though your bank may. A debit card deposit carries a fee of up to 2 percent. Because Kalshi revises this schedule from time to time, confirm the current numbers on its fee schedule page before you trade rather than trusting a figure secondhand.

How to trade, fund, and withdraw

To open an account you have to be at least 18 and a US resident, and you verify your identity with a government ID and your Social Security number. Most people clear that check within a few minutes; a name or address that doesn’t match your ID is what usually kicks it to manual review.

Funding works like linking a bank to any other financial app. ACH bank transfer is the default: it’s free, the minimum deposit is $10, and Kalshi usually credits part of your deposit right away so you can trade while the transfer settles over the next few business days.

The other methods trade cost for speed or size. A debit card gets you funded instantly but costs up to 2 percent. Wire transfers are free from Kalshi’s side, though they carry a higher minimum and your bank may charge you. Kalshi does not take credit cards, which is standard for a regulated derivatives exchange.

Placing a trade is a yes or no decision. You pick a market, choose the side you think is right, and buy contracts at the current price. A market order fills immediately at the best available price; a limit order rests until the price you named is reached, and it doesn’t cost you anything if it never fills.

A position can end two ways. You can hold it until the event resolves and collect $1.00 per contract if you’re right, or you can sell before then.

Selling means another trader buys your contract at whatever the market will pay for it right now, which rises and falls with the odds, so you take a profit if the price has moved your way and cut your loss if it hasn’t. You’re not cashing out against the house, because there isn’t one; you’re handing the position to whoever wants it next.

Getting money out runs the same way in reverse. Winning contracts settle to your account balance on their own, and you withdraw that balance to your linked US bank account, free over ACH and typically landing within a few business days. One thing that catches new traders: money tied up in open positions is held until those contracts resolve, so only your free balance is available to withdraw at any given moment.

What “federally regulated” actually means for you

Kalshi is a designated contract market, or DCM. That is the same regulatory category as the exchanges that list commodity futures, granted and overseen by the CFTC under the Commodity Exchange Act. It is not a label Kalshi gave itself; the CFTC designated KalshiEX as a contract market in November 2020. To get the designation and keep it, an exchange has to comply, from day one and continuously, with 23 core principles written into the Act, and the CFTC’s market oversight division runs periodic exams to check that it does.

A DCM is also its own front-line regulator. Kalshi has to publish the rules for how each market settles before you trade it, so the payout condition is defined in advance rather than decided after the fact. It has to run surveillance on its own markets, enforce its rulebook, and prosecute traders who break it, backed by the CFTC. This is the same oversight structure built to police a futures exchange, pointed at event contracts.

Your money is held through Kalshi Klear, its own CFTC-registered clearinghouse, where trades are cleared and settled. Every contract is fully collateralized and pre-funded, so the cash to pay out a winning position is already posted rather than owed by whoever loses.

Your funds sit in segregated accounts under federal rules, separate from Kalshi’s own money, with legal protection if the clearinghouse itself were to fail. This is what “safe” means for your money on Kalshi: not that you can’t lose a trade, but that the balance itself is protected and the payout is already funded.

What regulation does not provide

When Kalshi launches a new market, the CFTC does not approve it first. Under a process called self-certification, Kalshi files the contract with the regulator and certifies that it complies with the law, and the market can go live as soon as the next day unless the CFTC steps in.

A contract being listed on Kalshi is therefore Kalshi’s assertion that it’s compliant, not a federal ruling on whether the market is a good idea. The company can also pull a contract on its own, as it did in July 2026 when it filed to launch flight-cancellation markets, then dropped them within days over a data-source dispute before they opened.

The CFTC keeps the power to review, suspend, or kill a contract, and it has used it in the past. In 2023, Kalshi self-certified contracts on which party would control Congress; the CFTC reviewed them under a rule that bars contracts involving gaming or activity unlawful under state law, found they were contrary to the public interest, and prohibited them. Kalshi listed the market on its own certification, and the regulator struck it down. This is how CFTC oversight works.

Federal regulation also covers how the exchange operates, not how your trades turn out. A contract can go to zero, and when it does you lose everything you put into it. This is not a savings account, your balance is not insured against losses the way a bank deposit is insured, and being CFTC-regulated does not change the fact that you can be wrong and lose money. Regulation governs the venue, not your outcomes.

Kalshi operates legally as a federal exchange. What’s contested is its sports contracts, and that fight will probably end at the Supreme Court.

The CFTC says its authority over these contracts is exclusive and overrides state law. More than twenty states counter that the sports markets are unlicensed betting under their own gambling laws. A federal appeals court sided with Kalshi in April 2026, while courts in New York, Nevada, and elsewhere have sided with the states, and appeals are now pending in several jurisdictions. If that split hardens, the Supreme Court is the likely place it gets settled.

This doesn’t affect whether you can use Kalshi today. The sports markets are open in every state except Nevada, where a court forced them off. A state can’t pull the markets on its own; it takes a court order that overcomes the CFTC’s federal authority, and so far only Nevada’s has. Other states are pushing, so the map can change, but for now the contracts are live nationwide with that one exception.

Is Kalshi legit?

Can I actually get my money out?

Yes. Winning contracts settle to your account balance automatically, and you withdraw that balance to your linked US bank account. Bank withdrawals typically take a few business days; debit card transfers are faster but carry a processing fee.

Is my money sitting there safely?

Your funds are held in segregated accounts, separate from Kalshi’s own money, which is a condition of its federal designation rather than a courtesy. That protects your balance from being treated as company funds, though it does not protect you from losing trades.

Isn’t this just gambling?

Legally, no. A Kalshi contract is classified as a federally regulated derivative, a swap under the same commodities law that governs futures rather than a wager under gambling law. Whether that classification fits the activity is exactly what’s disputed.

Researchers split into two camps. A long economics literature treats prediction markets as information-aggregation tools that pool what many people know into a single price and often forecast events more accurately than polls or experts. A newer public-health literature pushes back: a 2026 letter in the addiction journal Addiction calls prediction markets an emerging form of gambling and argues they need study as a potential source of harm.

The structural point behind the gambling view is what you own. Buy a stock and you hold a piece of a business that can earn and grow; a Kalshi contract has no underlying asset and is close to zero-sum, one trader’s dollar won is another’s dollar lost, minus the fee. Kalshi’s position is that the federal classification is what governs. The states suing it argue that classification papers over what the activity really is, which is the fight covered above.

How Kalshi differs from a sportsbook

At a sportsbook, the house sets the odds and takes the other side of your bet, so it profits when you lose and has a direct stake in your outcome. On Kalshi, you trade against other users, the market sets the price through what buyers and sellers will accept, and the platform’s only cut is the trading fee. It has no position on which side wins.

What happens after you place it differs too. A sportsbook bet is locked once placed and pays out only when the event ends. A Kalshi contract has a price that moves with the news, and you can sell out of it early to take a profit or limit a loss.

Kalshi also handles multi-leg positions as combos, contracts that resolve on several linked outcomes, rather than as sportsbook parlays. Other prediction markets work on similar principles; what sets Kalshi apart is that it was the first to get federal approval to operate this way in the US.

How Kalshi differs from a stock exchange

The fee works like a broker’s and the price moves like a stock, so it’s easy to slide into thinking Kalshi is just the stock market with different tickers. It isn’t, and the difference is in what you’re actually buying.

On a stock exchange you buy a share, a piece of ownership in a company that you can hold for as long as you want. There is no end date and no fixed value it’s counting down to; the share is worth whatever someone will pay for it, indefinitely.

A Kalshi contract is the opposite on both counts. It isn’t ownership of anything, it’s a claim on a single yes or no outcome, and it has a built-in expiry. When the event resolves, the market closes and every contract settles at exactly $1.00 or $0. A share can drift sideways for years. A Kalshi contract always has a date after which it is worth either a dollar or nothing.

That fixed settlement is also what caps your risk in a way a stock doesn’t. A share can keep falling, and if you’re trading on margin your losses can run past what you put in. A Kalshi contract can’t settle below zero, so the most you can lose is what you paid for it, known the moment you buy. The tradeoff is that the upside is capped too: a contract bought at 40 cents can only ever settle at a dollar, while a stock has no ceiling.

Kalshi history in the US

Kalshi was founded in 2018 by Tarek Mansour and Luana Lopes Lara, who met at MIT, and it spent nearly two years working with the Commodity Futures Trading Commission to establish that event contracts fall under federal commodities law rather than gambling law. That approval came in November 2020, and the platform opened to the public in July 2021. It now runs markets across politics, economics, weather, culture, and sports. CEO Tarek Mansour has said the company is weighing an eventual IPO, though not in 2026.

The major events since:

• 2023 — Kalshi self-certifies contracts on control of Congress; the CFTC prohibits them, and Kalshi sues.

• September–October 2024 — A federal court rules that election contracts are not “gaming” under the law, and an appeals court lets them go live. Political markets trade through the 2024 presidential election.

• January 2025 — Kalshi self-certifies sports contracts, starting with the Super Bowl, and begins offering sports markets.

• May 2025 — The CFTC drops its appeal over election contracts, leaving the court win in place.

• 2025 — Several states, including Nevada and New Jersey, issue cease-and-desist orders over sports contracts, opening the federal-versus-state fight that is still in court.

• March 2026 — Kalshi moves clearing to Kalshi Klear, its own CFTC-registered clearinghouse.

• 2026 — A Series F round led by Coatue values Kalshi at $22 billion, double its valuation five months earlier, and monthly trading volume sets records during the FIFA World Cup.

• April 2026 — A federal appeals court rules that sports event contracts are swaps under federal law, Kalshi’s highest court win yet, though other courts have leaned the other way.

• July 2026 — After a Michigan court orders Kalshi to cancel and refund residents’ sports trades, the CFTC stays that order and directs Kalshi to keep the contracts open, the first time it has stepped in to stop a state from unwinding executed trades on a federal exchange.