Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Tax UK) Pick polygram.ink (preferred broker) |
68% | 32% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
68% | 32% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| No change | 68% |
| 25 bps increase | 24% |
| 25 bps decrease | 7% |
| 50+ bps increase | 2% |
| 50+ bps decrease | 1% |
Market context
The event is whether the Federal Reserve lifts the upper bound of the target federal funds range at the October 2026 FOMC meeting, with the market resolving by the size of that change in basis points. In practice, that makes the question less about direction alone and more about whether policymakers actually move from the current range or leave it unchanged, with any non-standard increment rounded up to the nearest 25 basis points under the market rules. [6][15]
The current 1% YES probability is far below recent market-implied pricing elsewhere, where FedWatch-based reporting has put October hike odds closer to the low-30s or higher at different points this year, while Reuters reported about a 60% chance of a hike by the October meeting in June. Recent commentary has also noted that traders remain split between a hold and a modest hike, which means the market is reading a materially different outcome from the broader rates complex. [2][4][19]
For accessibility and compliance, this sort of market sits within a wider regulatory frame: Germany’s GlüStV can treat online betting-style products as gambling for local-law purposes, while the US CFTC’s reach is relevant because event contracts may fall into derivatives scrutiny depending on venue and user location. “No-KYC up to $1,500” generally means a platform may allow limited-volume use without identity checks, but that is an access threshold rather than a guarantee of unrestricted participation, and it does not remove location-based restrictions or legal-risk screening. Traders should watch the FOMC calendar, intervening inflation and labour data, and the Fed’s communications path into the late-October meeting, because the market will usually reprice on any shift in the odds of a hold versus a 25-basis-point move. [6][1]
Methodology
This overview of Fed Decision in October? reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.
Resolution & payout
On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.
UK Frequently Asked Questions
- How are winnings taxed?
- Tax treatment varies by jurisdiction. In most countries, prediction market gains are treated as ordinary income or capital gains. We cannot provide tax advice — consult a tax professional for your specific situation.
- Is Polymarket regulated by the UKGC?
- No. Polymarket is not licensed by the UK Gambling Commission (UKGC). It is a decentralised prediction market operated under US regulation. UK traders can use it but do not benefit from UKGC dispute resolution or player protection requirements.
- What are the HMRC tax rules on Polymarket profits for UK traders?
- Polymarket profits are treated as cryptocurrency disposal events by HMRC. Each USDC settlement is a taxable event subject to Capital Gains Tax (CGT). For 2026/27, the CGT rate is 18% (basic rate) or 24% (higher rate). The annual CGT exemption is £3,000. Report via HMRC Self Assessment if your total crypto gains exceed £3,000 or proceeds exceed £50,000.
- Does Polymarket KYC apply to UK users?
- Yes. Polymarket requires KYC (Know Your Customer) verification for all users, including UK residents. You must provide a government-issued photo ID and a selfie. The process typically takes 5–10 minutes via their ID verification provider.
- What is the legal difference between Polymarket and Betfair Exchange for UK traders?
- Betfair Exchange is UKGC-licensed, meaning UK consumer protections apply and winnings are typically tax-free. Polymarket is not UKGC-licensed — it operates under decentralised blockchain rules. Profits from Polymarket are subject to HMRC CGT as crypto disposals. Choose based on your regulatory preference and tax situation.
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