Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative UK) Pick polygram.ink (preferred broker) |
78% | 22% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
78% | 22% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| NVIDIA | 78% |
| 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 | 23% |
| Microsoft | 0% |
| Alphabet | 0% |
| Tesla | 0% |
| Saudi Aramco | 0% |
| Amazon | 0% |
| Broadcom | 0% |
Market context
On 31 July 2026, the world's largest publicly listed company by market capitalisation will be determined at market close. Polymarket currently prices YES at 77 cents, reflecting strong conviction that a single entity will hold the top position when the settlement window closes. The contract trades on Polygon as a conditional token pair denominated in USDC, with the binary outcome resolved against credible financial reporting consensus—typically Bloomberg, Reuters, or official exchange data.
Historical precedent suggests the top-three positions (presently Microsoft, Apple, and Saudi Aramco) rarely shift dramatically over an eighteen-month horizon, though relative rankings do shuffle. In 2022, Apple briefly lost the number-one spot to Saudi Aramco amid energy price volatility and tech sector repricing; the lead changed hands again within months. The 77% implied probability reflects market confidence that whichever entity holds the crown today will retain it through mid-2026, rather than a surprise entrant displacing the established hierarchy. Geopolitical shocks, regulatory action, or sustained earnings misses could alter the calculus, but the base case assumes continuity.
Traders monitoring this contract should track quarterly earnings announcements from Microsoft, Apple, and Nvidia—the three firms most likely to contest the top position. Regulatory developments in the EU (Digital Markets Act enforcement) and US (antitrust scrutiny of tech giants) present tail risks. Oil price movements and Saudi Aramco's dividend policy merit attention given its historical volatility. Currency fluctuations, particularly sterling and euro weakness, could mechanically shift market-cap rankings for non-dollar-denominated competitors, though the largest firms are predominantly US-listed.
Methodology
We track Largest Company end of July? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Alternative UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
Trade Largest Company end of July? on Polymarket Alternative UK
Live order book, 0% fees, USDC settlement in seconds.
Open live market →