Kalshi in the UK: The Problem
Kalshi is a US-regulated prediction market (CFTC-licensed). It only serves US residents — UK users are geo-blocked and cannot open an account. If you're looking for a Kalshi alternative available in the UK, PolyGram is the closest equivalent with superior market selection.
PolyGram vs Kalshi: Direct Comparison
| Feature | Kalshi | PolyGram (via Polymarket) |
|---|---|---|
| UK availability | ❌ US only | ✅ Full UK access |
| Regulation | CFTC-licensed | On-chain / UMA oracle |
| Settlement | USD | USDC (Polygon) |
| Trading fee | Up to 2.5% | 0% on PolyGram |
| Market volume | Moderate | $10B+ lifetime (Polymarket) |
| Market types | Politics, economics | Politics, sports, crypto, world events |
| API access | Yes (US) | Yes (CLOB API) |
| Mobile app | iOS/Android | PWA (iOS/Android) |
Other Kalshi Alternatives
- Manifold Markets — Play-money prediction market, no real financial stakes
- Metaculus — Forecasting platform, no real money trading
- Betfair Exchange — Real-money betting exchange with political markets (UK-licensed)
For real-money prediction markets in the UK, PolyGram/Polymarket offers the deepest liquidity and widest market selection of any UK-accessible platform.
Verdict
PolyGram is the best Kalshi alternative for UK users in 2026 — deeper markets, zero fees, and no geo-restriction.