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KALSHI Taxes: a Trader’S Quick Guide

Kalshi operates as a US-regulated trading venue where binary YES/NO contracts settle to $1.00 or $0.00. Tax considerations for Kalshi traders center on how gains, losses, and settlement proceeds are treated by the IRS, and how you track basis for each contract. This article is informational and not tax advice; consult your accountant or Kalshi’s published rulebook for specifics. If you use KalshiArb, you can rely on alerting edges to help monitor pricing and potential spreads, while keeping records for tax purposes.

What counts as taxable income from Kalshi trades?

US tax rules treat gains and losses from Kalshi binary contracts as capital gains or losses when the position is closed. If you trade YES or NO and you realize a gain by selling a contract for more than your cost basis, that gain is taxable. Losses can offset other gains or, in some cases, be deducted up to limits. The key thing to capture is the settlement amount and the price you paid for each contract so you can calculate the realized gain or loss when you close or unwind a position. Because Kalshi contracts settle at $1.00 if the outcome is true, the difference between your purchase price and $1.00 (or $0.00 if you sold at a loss) determines your taxable result. This is separate from any trading fees paid to Kalshi, which are costs of doing business and may have different reporting implications.

How to report Kalshi trades on taxes

Kalshi trades generate taxable events when you close positions or when a contract settles. Use your cost basis per contract and the realized amount to compute capital gains or losses. If you hold multiple contracts in the same market, aggregate their results according to your broker’s or Kalshi’s reporting tools. Keep a running ledger of every trade, the purchase price (in cents), and the final settlement outcome. Kalshi’s fee structure does not change the settlement value ($1 or $0), but fees should be tracked for overall profitability and accounting. For any tax form, you’ll report these as capital gains or losses, similar to other securities, with distinctions between short-term and long-term depending on your holding period.

Recordkeeping tips for KalshiArb users

Maintain detailed records of each order, including purchase price, contract type, quantity, and dates. Kalshi’s REST and WebSocket feeds can help you reconstruct trades, while KalshiArb users often track edge opportunities and timing to support tax lots. Regularly export your portfolio data and reconcile it with your ledger to ensure accurate cost basis and realized gains. If you use automated alerts to identify YES + NO edges under $1.00, document when those edges are captured and how they were closed to support your tax reporting.

Tax considerations for US residents and Kalshi restrictions

US residents face federal tax treatment for Kalshi gains and losses, and some states may have additional reporting requirements. Kalshi is a CFTC-regulated US market with USD settlements, so tax reporting follows general US securities rules under applicable IRS guidance. There can be state-level nuances, especially for sports contracts or restricted markets, so verify state-specific guidance. This article is informational; always confirm with a qualified tax professional and Kalshi’s official resources.

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FAQ

Are Kalshi profits taxed the same as other stock trades?
Yes, gains and losses from Kalshi binary contracts are reported similarly to other capital trades, but you must determine the correct holding period and cost basis for each contract. IRS guidance on options and futures can impact treatment, so consult a tax professional.
Do Kalshi fees affect my taxes?
Fees paid to Kalshi are costs of trading but do not change the settlement value ($1 or $0). They influence your overall profitability but are typically treated as miscellaneous trading costs rather than direct tax credits.
What records should I keep for Kalshi taxes?
Keep trade-by-trade data: purchase price per contract, number of contracts, sale price, dates, and the resulting gain or loss. Also retain any Kalshi statements or export reports that reconcile with your cost basis and holding periods.
Where can I find Kalshi tax-related guidance?
Refer to IRS guidance on securities, options, and futures where applicable, plus Kalshi’s published rulebook and tax resources. For personalized advice, consult your accountant familiar with derivatives and US tax law.

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