Kalshi 2026 Review: Is the Only Legal US Prediction Market Worth It?

Kalshi lets you trade binary contracts on real-world events. Each contract pays $1 if correct, $0 if wrong. Markets cover:

• Economic data: CPI, PCE, Fed rate decisions, GDP, unemployment
• Political events: Elections (federal and state), legislation, appointments
• Weather: Temperature milestones, hurricane paths
• Financials: Stock index milestones, crypto price levels

The platform launched in 2021 and has steadily expanded its market catalogue. In 2026, it processes over $50 million in monthly volume.

Kalshi charges a trading fee of 7% of profits on winning trades. There are no fees on losing trades.

Example: if you invest $100 and win $40 in profit, Kalshi takes $2.80.

This is competitive with Polymarket's implied spread costs and significantly cheaper than traditional sportsbooks (which embed a ~5-10% house edge into their odds).

Kalshi's primary weakness is liquidity. Most markets have significantly less volume than Polymarket equivalents. This means:

• Wider bid-ask spreads on many contracts
• Harder to enter/exit large positions without moving the market
• Some markets have thin order books

For trades under $500, this is rarely a problem. For larger positions, you may find Polymarket (if you're outside the US) has better execution. See our full Polymarket vs Kalshi comparison.

Kalshi is the right choice if:

• You are a US resident who cannot legally access Polymarket
• You want regulated trading with full tax reporting and legal protections
• You trade in amounts where liquidity is not a major constraint (under $1,000 per position)
• You are interested in economic data markets (Fed, CPI) which Kalshi covers better than any competitor

Consider alternatives if:

• You are outside the US (Polymarket offers better liquidity)
• You want crypto leverage trading (look at platforms like Moon)
• You want the widest range of market topics

Kalshi earns its place as the go-to platform for US-based prediction market traders. The regulatory protection and legal clarity are genuinely valuable — particularly after the broader prediction market industry faced scrutiny in 2024-2025. The fee structure is fair, and the core economic markets (Fed rate decisions, CPI) are high-quality with reasonable liquidity.

Rating: 4/5 — Best regulated option for US traders. Liquidity is the only meaningful downside.

Read our full Kalshi Review or, if you want leverage instead of regulated event contracts, read our Moon Review.