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Comparison · updated July 2026

Kalshi vs Interactive Brokers Forecast Contracts

Kalshi and Interactive Brokers Forecast Contracts are two of the most discussed prediction market platforms in the US. Here's a side-by-side look at how they compare on the factors that actually matter for traders.

Editorial disclosure. HunchMarkets may earn a commission when readers sign up via our links. Our rankings, ratings and methodology are decided independently of commercial relationships.

Kalshi

4.7/5

The first CFTC-regulated event contract exchange in the United States.

Regulated US event contracts CFTC-regulated

Interactive Brokers Forecast Contracts

4.1/5

CFTC-regulated event contracts inside the IBKR trading platform.

Existing IBKR clients CFTC-regulated

Rating

Kalshi

4.7

Interactive Brokers Forecast Contracts

4.1

Best for

Kalshi

Regulated US event contracts

Interactive Brokers Forecast Contracts

Existing IBKR clients

Regulation

Kalshi

CFTC-regulated

Interactive Brokers Forecast Contracts

CFTC-regulated

US availability

Kalshi

Available

Interactive Brokers Forecast Contracts

Available

Fees

Kalshi

Up to 2% per trade

Interactive Brokers Forecast Contracts

$0.02–$0.10 per contract

Mobile

Kalshi

Excellent

Interactive Brokers Forecast Contracts

Good

Markets

Kalshi

Politics, Economy, Sports, Weather, Culture, AI, Financial events

Interactive Brokers Forecast Contracts

Economy, Financial events, Politics

Payment

Kalshi

ACH, Debit card, Wire transfer

Interactive Brokers Forecast Contracts

Founded

Kalshi

2018

Interactive Brokers Forecast Contracts

Category	Kalshi	Interactive Brokers Forecast Contracts
Rating	4.7	4.1
Best for	Regulated US event contracts	Existing IBKR clients
Regulation	CFTC-regulated	CFTC-regulated
US availability	Available	Available
Fees	Up to 2% per trade	$0.02–$0.10 per contract
Mobile	Excellent	Good
Markets	Politics, Economy, Sports, Weather, Culture, AI, Financial events	Economy, Financial events, Politics
Payment	ACH, Debit card, Wire transfer
Founded	2018

Verdicts

Who wins, category by category

Best overall

Kalshi

Higher composite rating across our methodology.

Best for beginners

Kalshi

Cleaner onboarding and a more polished consumer experience.

Best for regulation

Kalshi

Operates as a CFTC-designated contract market.

Best for liquidity

Kalshi

Deepest order books on headline markets.

Best for market variety

Kalshi

Wider catalogue of available event contracts.

Final take

Should you choose Kalshi or Interactive Brokers Forecast Contracts?

Kalshi comes out narrowly ahead in our methodology, but both platforms have a clear lane. Choose Kalshi for regulated us event contracts, and Interactive Brokers Forecast Contracts for existing ibkr clients.

Visit Kalshi Visit IBKR

Risk warning. Event contracts are financial instruments. You can lose your full premium. Trade only where legally permitted in your jurisdiction. This is not investment, legal or tax advice.