Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the 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 **net worth** on 31 July 2026 is the figure that will settle this market, with Bloomberg’s Billionaires Index set as the primary reference for resolution. Bloomberg currently shows Musk at about **$942 billion**, which places the market’s 100% YES pricing in the context of a billionaire ranking that has already moved sharply across 2026; the same index has been described in recent coverage as updating alongside market moves, while Forbes’ real-time list has often tracked a different number because of its own methodology for private assets and holdings[2][1][12].
For comparison across venues, Polymarket-style contracts usually present the crowd view as an **implied probability**, while Kalshi and Betfair quote **decimal prices/odds**, so a 100% YES market can still reflect different liquidity and fee effects rather than a literal certainty. That matters here because Musk’s fortune has been highly sensitive to Tesla, SpaceX and broader tech valuations: recent reports described swings from roughly **$684 billion** to above **$900 billion** within weeks, and earlier July coverage put him near **$725 billion** on Forbes’ list, underscoring how quickly the bracket can shift before the settlement snapshot[4][6][9].
Traders should watch for any late-summer re-pricing in Tesla, fresh SpaceX valuation headlines, and any Bloomberg methodology update before the closing datapoint. The main dependency is not a scheduled corporate action at the settlement date itself, but the state of Musk-linked equity and private-company marks on the final Bloomberg reading; where fee structures differ, Kalshi’s exchange fee and Betfair’s commission can also move effective entry price versus Polymarket’s odds-based crowd pricing, while KYC access remains broader on regulated books than on crypto-native venues.
Methodology
This page compares Elon Musk Net Worth on July 31? specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Alternative, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.
FAQ
- What does Polymarket cost vs Kalshi?
- Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
- Which platform has the deepest liquidity?
- Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
- Is Betfair a Polymarket alternative?
- Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
- What about Smarkets as an alternative?
- Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Polymarket Alternative offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.
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