Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
94% | 6% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
94% | 6% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| ↓ $85 | 94% |
| ↑ $90 | 78% |
| ↓ $80 | 75% |
| ↑ $95 | 61% |
| ↓ $75 | 51% |
| ↓ $70 | 32% |
| ↑ $100 | 30% |
| ↑ $105 | 20% |
| ↑ $110 | 18% |
| ↓ $65 | 12% |
| ↑ $115 | 10% |
| ↑ $120 | 5% |
| ↓ $60 | 3% |
| ↑ $130 | 2% |
| ↓ $55 | 2% |
| ↑ $150 | 1% |
| ↑ $140 | 1% |
| ↓ $50 | 1% |
| ↓ $40 | 1% |
| ↓ $30 | 1% |
| ↓ $20 | 0% |
Market context
West Texas Intermediate crude for August 2026 is pricing a move against a background of still-elevated but easing energy risk, with the prompt market currently near the high-60s on the August futures contract. That makes the crowd-implied 1% “Yes” for a specific hit level look like a tail bet rather than a base case, because consensus forecasts still cluster far below the spring shock highs: the EIA’s June STEO points to Brent averaging $105 in June and July while expecting prices to fall to $79 in 2027 as Strait of Hormuz flows normalise, and several bank forecasts place WTI closer to the mid-50s to mid-70s over 2026-27.[1][7][9][12]
Comparable cases suggest the market should be read through the lens of supply restoration versus disruption persistence. When a geopolitical supply squeeze fades, crude often retraces faster than spot narratives expect, which is why forecast dispersion has widened: some desks still see WTI averaging near $60 in 2026, while others have cut 2026-27 assumptions to around $52-$70 after the Hormuz reopening deal and the prospect of slower energy-flow recovery.[8][9][11][12] For a prediction market settled in USDC, the practical on-chain angle is that liquidity and whale positioning can shift quickly around macro headlines, but the contract still resolves to the exchange’s underlying WTI reference rather than crypto beta, so BTC/ETH moves matter mainly insofar as they alter risk appetite and positioning into expiry.
A trader should watch EIA inventory prints, OPEC+ schedule changes, and any fresh updates on Middle East shipping or sanctions enforcement, because those are the events most likely to move the August strip inside the settlement window.[1][12][15] The August NYMEX contract itself is already a useful reference point for whether the market is leaning towards backwardation or a rapid unwind, and if crude volatility jumps while funding in broader crypto remains risk-on, that can amplify on-chain flow into the market even without changing the physical oil balance.[17][20]
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
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