Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Legal UK) Pick polygram.ink (preferred broker) |
89% | 11% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
89% | 11% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| NVIDIA | 89% |
| 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% |
| Microsoft | 0% |
| Alphabet | 0% |
| Tesla | 0% |
| Saudi Aramco | 0% |
| Amazon | 0% |
| Broadcom | 0% |
Market context
The race is being decided by *which company has the biggest market value at the July 31, 2026 close*, and the field remains a US-tech contest rather than a broader global benchmark.[3][5][6] Recent reporting showed Apple briefly overtaking Nvidia on 17 July at about $4.88tn before slipping back intraday, which is a reminder that small price moves can flip the top spot when valuations are that close.[1][4]
That makes the current 89% YES reading best understood as a view that Nvidia will still be first by month-end, but with enough uncertainty to reflect earnings, guidance and AI-expenditure sensitivity.[3][6] Comparable market-cap leaderboards have been dominated by Nvidia, Apple and Microsoft through 2026, while Saudi Aramco and Tesla have sat materially lower, so the settlement is likely to depend on a relatively narrow contest between the two largest US names rather than a surprise challenger.[2][5][6]
For trader catalysts, the immediate watchlist is Q2 earnings season, Blackwell ramp commentary, and any change in AI export policy or chip supply conditions, all of which can move semiconductor multiples quickly.[3] The regulatory and access framing also matters: under Germany’s GlüStV regime, prediction-market access is constrained where a product is classed as gambling, while US CFTC reach is relevant because event contracts can attract US regulatory scrutiny depending on structure and venue. For a “no-KYC up to $1,500” setup, that typically means lighter onboarding for small positions but not anonymous access; in practical terms, this market may be easier to reach at low size, yet still subject to jurisdictional blocking, identity checks at thresholds, and venue-specific compliance filters.
Methodology
This overview of Largest Company end of July? reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.
Resolution & payout
On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.
FAQ
- Is Polymarket legal in my country?
- Polymarket is geo-blocked in the US/UK/EU. Actual usage via the Polymarket interface is not possible there. The legal status itself varies — many countries treat prediction markets as a gray area. Polymarket Legal UK has a different geo footprint.
- Do I need to KYC for Polymarket Legal UK?
- Not for lifetime trading volume under $1,500. Above that threshold, a quick KYC flow kicks in — ID, selfie, approximately 5-10 minutes. The threshold matches FATF travel standards for unregulated crypto platforms.
- Are prediction markets gambling?
- Legally unclear in most jurisdictions. Some interpretations classify them as wagering (gambling regulation applies), others as derivatives (financial regulation applies). There's no global precedent specifically for on-chain prediction markets.
- Is there a withdrawal cap?
- No platform-side cap. You can withdraw any amount provided KYC is complete. SEPA bank withdrawals over €15,000 trigger additional anti-money-laundering checks (statutory obligation for all platforms).
- What if regulation changes?
- If regulation changes in your jurisdiction (e.g. prediction markets are banned), Polymarket Legal UK would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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