Kalshi Review 2026: Fees, Safety, and Our Verdict

Kalshi earns a 4.3 out of 5 in our review: it is the first exchange the CFTC ever designated for event contracts, it runs the deepest sports menu of any regulated venue, and it pairs ordinary dollar banking with a published responsible-trading toolkit its main rival lacks. The honest caveat is legal rather than financial: several states are fighting its sports contracts in court, and in a few of them those markets have been ordered dark.

This review scores Kalshi on our prediction-market rubric, walks the fee math with a chart and a calculator, verifies the current sign-up offer, and closes with who should and should not use it. Every platform fact traces to our sourced facts ledger, verified August 17, 2026. Last tested September 2026.

• Best for: Sports-first traders who want regulated event contracts, real banking rails, and published safeguards
• Skip if: You trade on price alone (the rival venue charges takers less) or your state has ordered sports contracts dark

Is Kalshi Legit and Safe?

Yes, Kalshi is legit: it has operated as a CFTC-designated contract market since November 2020, the first exchange built for event contracts to earn that designation. Its rulebook is filed with the federal regulator, every retail position is fully collateralized, and settlement runs under CFTC oversight rather than a crypto oracle. Customer money moves on ordinary banking rails, and the company raised $1 billion in spring 2026 at a reported $22 billion valuation, per its own announcement.

Safe is a more layered question, and an honest review separates the two senses. As a counterparty, Kalshi has the strongest institutional footing in the category. As a product, its sports contracts sit in a live legal fight: a New York state suit filed July 31, 2026 seeks roughly $36 billion, Michigan and Washington courts have ordered sports markets geofenced or halted, and federal appeals courts have split, backing Kalshi in New Jersey while other challenges continue. None of that touches customer funds; all of it can change what you are allowed to trade.

The practical read: treat Kalshi as a legitimate, federally regulated venue whose sports menu can shrink where you live on a court’s schedule, not yours. The app’s eligibility screen is always the final word, and the risk-money rule applies here like everywhere: trade dollars whose loss changes nothing about your month.

Kalshi Scorecard: How We Scored It

Kalshi’s 4.3/5 comes from six weighted categories on our prediction-market rubric, scored from the facts ledger behind this page and approved by the Editor-in-Chief. These scores are not comparable to our sportsbook scores: a different rubric measures different things.

The strongest categories are markets and liquidity (4.6), carried by the deepest sports event-contract menu in the country, and apps (4.4), with a 4.7 iOS and 4.3 Android rating as of our August 2026 check. The score it gives back is on price and legal overhang: takers pay more here than on Polymarket US at every standard-market price, deposit fees have crept onto PayPal and Venmo, and the state litigation wave is a real, unresolved risk that trust scoring cannot ignore.

What’s New at Kalshi in 2026

The first half of 2026 moved fast. Kalshi updated its fee schedule on July 7, 2026, closed a $1 billion raise at a reported $22 billion valuation, and was reported by CoinDesk in June to be seeking new capital near $40 billion, a target rather than a completed round. It also switched on a variable 4.05% APY paid on cash and open positions, a genuine differentiator no rival matches.

The courtroom moved just as fast. A Michigan court issued a restraining order on June 29, 2026 and later set an August 12 geofencing deadline for sports contracts; a federal judge blocked Minnesota’s felony ban on July 27, 2026 with Kalshi, Polymarket, and the CFTC as co-plaintiffs; and New York’s attorney general filed the largest state action to date on July 31, 2026. The full timeline, with sources, sits in the legality section below.

What Is Kalshi and How Does Trading Work?

Kalshi was founded in 2018 by Tarek Mansour and Luana Lopes Lara, who spent two years convincing the CFTC that a regulated exchange for event contracts should exist; in November 2020 the agency designated KalshiEX LLC as a contract market, and the New York company has run under federal oversight ever since. When the CFTC rejected its election contracts in 2023, Kalshi sued its own regulator and won: legal US election markets went live in September 2024, single-game sports contracts followed in January 2025, and sports quickly became the dominant category, reported by SI at more than 90 percent of activity in 2025.

How a Trade Works

Trading on Kalshi is order-book trading. Every market shows the best bid and ask for yes and no shares priced between 1 and 99 cents, and you either take a price someone is offering or post your own and wait. Positions are fully collateralized, so your maximum loss is what you paid, and you can sell any position while the market is open rather than riding it to settlement.

The habit that saves money here: post limit orders. Most Kalshi markets charge makers nothing, so naming your price instead of crossing the spread routinely costs less than the taker fee you would otherwise pay.

What Can You Trade on Kalshi?

Kalshi lists yes/no event contracts across 8 categories:

• Sports
• Elections & politics
• Economics (CPI, Fed rates)
• Culture & entertainment
• Crypto prices
• Climate & weather
• Companies & tech
• Mentions

Sports is the center of gravity: SI reporting put it above 90 percent of Kalshi’s activity in 2025, which is exactly why sports contracts are the product several states are contesting in court. Settlement runs kalshi’s CFTC-filed rulebook and per-market rules; settlement under CFTC regulatory oversight (no crypto oracle). If the mechanics of resolution are new to you, our settlement guide walks through them step by step.

Kalshi Fees and Funding

Takers pay a formula fee peaking at $1.75 per 100 contracts at 50 cents; most markets charge makers nothing, per the published fee schedule as recorded in our ledger. Fees scale with how uncertain the contract is, peaking at coin-flip prices and shrinking toward the extremes. The chart shows the whole curve; the calculator below it prices your own trade, and our fees guide carries the worked examples.

The quiet pricing perk is interest. Kalshi pays a variable 4.05% APY on cash balances and the end-of-day value of open positions for accounts holding $250 or more, accrued daily and paid monthly, per its published APY terms. Idle money on most trading apps earns nothing; here it offsets a real share of the fees a casual trader pays.

The Kalshi App, Web Platform, and Support

The apps are the most consistently rated in the category: iOS holds a 4.7 and Android a 4.3 as of our August 2026 store check, and the full web platform plus a public API mean you are never locked to a phone. Support runs through a help center, in-app chat, and email. Order flow is probability-priced, which takes bettors a session to internalize; the charting and depth views reward the adjustment.

Is Kalshi Legal in My State?

Kalshi operates nationwide under its federal designation, and its sports contracts are the contested piece: the Third Circuit backed it in New Jersey in April 2026, a federal judge blocked Minnesota’s felony ban in July, and on the other side of the ledger courts in Michigan and Washington have ordered sports markets halted or geofenced, New York’s attorney general filed a roughly $36 billion state suit on July 31, 2026, and Kalshi agreed with Nevada’s regulator to geofence that state. The map moves monthly. We keep the per-state record, with dates and sources, in our state-by-state tracker; the CFTC’s own prediction-markets page covers the federal side, and the app’s eligibility screen is always the final word on what you can trade where you stand.

Safeguards and Responsible Trading

Kalshi publishes the most developed responsible-trading toolkit of the regulated venues: voluntary self-exclusion for a chosen term backed by ecosystem-wide exclusion via SelfExclude.io, Personal Funding Caps you set yourself, trading breaks, and the Inner Circle feature that lets a trusted contact see activity and get real-time alerts.

Two fine-print items belong in the same breath. Identity verification is mandatory before trading, with position limits set per series in the CFTC-filed rulebook. And taxes are genuinely unsettled: Kalshi reportedly issues 1099 forms for qualifying activity, but how event-contract gains are classified has no formal IRS answer yet; our tax guide covers what is and is not decided.

Kalshi Promos and Sign-Up Offers

Kalshi’s current new-user offer, verified August 17, 2026, is up to $500 in bonus funds through partner promo codes: deposit at least $1, then complete $25 in qualifying trades within 30 days, and the bonus credits to your trading balance. T&Cs apply, and packaging varies by code, with some partners running smaller $20 to $35 variants of the same structure.

Two honest notes. We do not have an exclusive GamblingSite code, so we will not pretend otherwise; and offers rotate fast enough that the app’s own promo screen is the final authority on what is live today. The more durable sweetener is the APY program covered in the fees section, which pays whether or not you ever touch a promo.

How Kalshi Compares to Polymarket

The two-venue category has a real choice in it, and the summary table tells most of the story: Kalshi wins on market depth, funding rails, apps, and published safeguards; Polymarket US wins on price, with lower taker fees and a maker rebate.

The five-question guide above leans you toward one venue from the same verified facts, and it is honest enough to point away from this page. For the full decision, with live prices and every category weighed, read our Kalshi vs. Polymarket head-to-head.

Our Verdict: Should You Use Kalshi?

Kalshi earns a 4.3 out of 5 from us, the highest score on our prediction-market board. It is the complete package of the two US venues: the deepest markets, the widest banking, the best apps, real safeguards, and interest on idle money. If you want one regulated venue for event contracts and you care about sports, this is the one.

It is the wrong venue if taker price is your only criterion, since Polymarket US beats it at every standard-market price and pays makers a rebate, or if you live where courts have ordered its sports markets dark. Check the eligibility screen before funding, size positions like entertainment, and the rest of the experience earns its score.

Kalshi FAQ

The questions readers actually ask, answered from the same verified facts as the rest of this review.