Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| <$0.70T | 100% |
| $0.70-$0.80T | 0% |
| $0.80-$0.90T | 0% |
| $0.90-$1.00T | 0% |
| $1.00-$1.10T | 0% |
| $1.10-$1.20T | 0% |
| $1.20T+ | 0% |
Market context
Elon Musk’s wealth is being tracked against a single Bloomberg Billionaires Index datapoint for 31 July 2026, and the market will settle from that published figure rather than from Tesla or SpaceX prices directly.[2] Bloomberg currently shows Musk at about $942 billion, while other July estimates have ranged from roughly $684 billion to $917 billion, underscoring how quickly private-asset revaluations and listed-share moves can change the number used for settlement.[2][4][6][12]
That volatility is the main historical guide for reading the current 100% yes price. Musk’s net worth has swung from about $1.4 trillion in mid-June to below $700 billion by late July in some reports, driven by sharp moves in SpaceX and Tesla valuations.[13][18][4] For a market like this, prior “near certainty” can simply reflect the fact that the latest published Bloomberg print is already above the highest bracket, not a guarantee that the final 31 July update will remain there once Bloomberg finalises the month-end value.[2][5]
Traders should watch any new valuation events tied to SpaceX, Tesla, or xAI, because those are the inputs most likely to move the Bloomberg figure before settlement. The relevant catalyst is not a crypto-specific event, but the broader liquidity backdrop still matters: a risk-on move in BTC and ETH can spill into tech multiples, while weaker funding and thinner spot demand can compress sentiment across high-beta assets. On-chain, the contract itself is a USDC-settled prediction market, so final pricing will reflect where liquidity, whale flow, and exchange positioning leave the market by expiry rather than Musk’s own Bitcoin holdings, which are immaterial versus his equity exposure.[12]
Methodology
This page reads Elon Musk Net Worth on July 31? on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
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.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- 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.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
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