Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Is Kalshi Legit) Pick polygram.ink (preferred broker) |
85% | 15% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
85% | 15% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| NVIDIA | 85% |
| 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 | 13% |
| Alphabet | 2% |
| 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, with the crowd currently assigning an 85% YES probability to that outcome. As of early 2026, NVIDIA held a $4.53 trillion valuation, significantly ahead of Apple at $4.02 trillion and Alphabet at $3.78 trillion, establishing a clear lead that traders are now pricing in for the July settlement [3].
Historical parallels show that dominant tech leaders often maintain supremacy through multi-year AI infrastructure cycles, as seen with NVIDIA’s 93% implied probability in the June 2026 Polymarket for the same July endpoint [4]. Comparable cases include Microsoft’s sustained cloud dominance in the 2020s, where earnings beats and product ramps reinforced market-cap leadership. The current 85% probability reflects confidence in NVIDIA’s Blackwell chip ramp and data-centre revenue growth, though it remains sensitive to regulatory shifts on AI exports and Q2 earnings volatility [4].
Traders should monitor Q2 earnings announcements, Blackwell production updates, and any US CFTC or EU regulatory moves affecting AI hardware exports. Recent reporting highlights NVIDIA’s reliance on hyperscaler spending and new platform launches like Rubin as key dependencies for sustaining its edge [4][5]. For accessibility, the market’s “no-KYC up to $1,500” threshold aligns with German GlüStV’s low-risk exemption for small-scale betting, while US CFTC reach remains limited for non-registered platforms offering such thresholds, enabling broader participation without full identity verification.
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
- Do I need to KYC for Is Kalshi Legit?
- 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.
- How are winnings taxed?
- Tax treatment varies by jurisdiction. In most countries, prediction market gains are treated as ordinary income or capital gains. We cannot provide tax advice — consult a tax professional for your specific situation.
- 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), Is Kalshi Legit would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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