Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative) Pick polygram.ink (preferred broker) |
84% | 16% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
84% | 16% | 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 |
|---|---|
| NVIDIA | 84% |
| Company A | 50% |
| Company B | 50% |
| Company C | 50% |
| Company D | 50% |
| Company E | 50% |
| Company F | 50% |
| Company G | 50% |
| Company H | 50% |
| Company I | 50% |
| Company J | 50% |
| Company K | 50% |
| Company L | 50% |
| Company M | 50% |
| Company N | 50% |
| Company O | 50% |
| Company P | 50% |
| Company Q | 50% |
| Company R | 50% |
| Company S | 50% |
| Company T | 50% |
| Other | 50% |
| Apple | 10% |
| Alphabet | 5% |
| Microsoft | 0% |
| Tesla | 0% |
| Saudi Aramco | 0% |
| Amazon | 0% |
| Broadcom | 0% |
Market context
The market bets on whether NVIDIA will retain its position as the world’s largest company by market capitalisation on 31 July 2026. Current crowd-implied probability sits at 92% YES, reflecting NVIDIA’s entrenched lead in AI accelerators and surging enterprise GPU demand that has driven outsized revenue growth and valuation multiples compared to peers [2].
Historically, such dominance has been fragile; Apple and Microsoft previously held the top spot for years before AI reshuffled the hierarchy. NVIDIA’s commanding 85% market-implied probability on Polymarket for end-July 2026 contrasts with Kalshi’s decimal odds format, which would display 0.92 rather than implied probability, while Betfair and Smarkets typically charge higher maker fees and enforce stricter KYC thresholds than Polymarket’s lighter verification model [2]. The chipmaker recently sustained its position as the largest company, reaching $5.1 trillion in June 2026, driven by continued AI demand and strategic partnerships [5].
Traders should monitor Q2 earnings beats, Blackwell ramp updates, and any regulatory shifts on AI exports as near-term catalysts that could reinforce or erode NVIDIA’s edge before month-end resolution [2]. Recent reporting confirms NVIDIA remains the world’s most valuable company, driven by demand for its AI-focused GPUs, with a market cap of $4.53 trillion as of January 2026, ahead of Apple at $4.02 trillion [3][4]. Geopolitical events, including trade tensions and regulatory changes, remain key variables that could affect investor sentiment and stock prices, thereby shifting market caps [6].
Methodology
This page compares Largest Company end of July? 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.
- 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.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Polymarket Alternative has a different geo footprint and routes to Polymarket's order book at 0% fees.
- Are all these platforms regulated?
- No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
- 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.
Trade Largest Company end of July? on Polymarket Alternative
Live order book, 0% fees, USDC settlement in seconds.
Open live market →