Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| ↑ $4,200 | 100% |
| ↑ $4,100 | 100% |
| ↑ $4,300 | 87% |
| ↑ $4,400 | 57% |
| ↑ $4,500 | 31% |
| ↓ $4,000 | 29% |
| ↑ $4,600 | 17% |
| ↓ $3,900 | 14% |
| ↓ $3,800 | 7% |
| ↑ $4,700 | 6% |
| ↓ $3,700 | 4% |
| ↓ $3,600 | 2% |
| ↓ $3,500 | 2% |
| ↓ $3,400 | 1% |
Market context
Gold is trading around the low- to mid-$4,000s, so the market is effectively asking whether August 2026 prints a fresh upside extreme or stalls below the recent high. On a 5% yes-implied probability, **no** is the clear favourite, and the consensus still looks anchored to a range-bound or modestly lower month rather than a decisive break higher. [1][3][8]
Historically, that makes this a classic underdog setup: several forecasters still place August in the $4,100–$4,400 area, with some algorithms calling for a move towards $4,270 and a wider band up to about $4,422, while others see the month ending closer to $4,200. [2][4][15] By contrast, more bearish technical notes describe gold as consolidating after a sizeable retracement from its record and trading near a support zone, which argues that the price must overcome a well-defined resistance stack before any “hit” market pays out. [1][3][7] The value case for the yes side is therefore a contrarian one: if the market is underpricing a renewed macro shock, the upside can re-rate quickly; if not, the favourite remains the side that gold does *not* punch through to a new August milestone. [16][17]
The main catalysts are the Federal Reserve path, incoming US labour and activity data, and any shift in real yields or the dollar, with traders already watching ISM Manufacturing PMI and Non-Farm Payrolls as near-term volatility triggers. [8] For a month-long outcome, the key dependency is whether gold can hold above support and then clear the $4,100–$4,150 resistance area that several desks have identified; failure there keeps the market in the consensus range, while a breakout opens higher targets into the $4,300s. [3][8][11] Longer-dated institutional views are still constructive overall, but those forecasts sit comfortably above the current crowd price and do not remove the risk of an August pause or pullback first. [12][16][19]
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Who Will Win, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
UK Frequently Asked Questions
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
Trade What will Gold (XAUUSD) hit in August 2026? on Who Will Win
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