Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
85% | 15% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
85% | 15% | 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 | 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
NVIDIA currently holds a $4.7 trillion market cap, sitting nearly $700 billion ahead of Apple as the world’s most valuable firm in July 2026[1]. The Polymarket contract for “Largest Company end of July?” prices this outcome at 93% implied probability, reflecting overwhelming trader confidence that the chipmaker will retain its lead through month-end close[2]. On Polygon, shares settle in USDC via conditional tokens, locking in exposure to NVIDIA’s dominance as the primary outcome among eight possible resolutions[2].
Historically, such high probabilities in tech-cap markets have rarely survived without a major earnings miss or regulatory shock. In comparable 2024–2025 cycles, leaders like Microsoft and Apple saw implied probabilities drop below 60% only after Blackwell ramp delays or export restrictions on AI hardware[2]. NVIDIA’s current 93% pricing suggests traders view Q2 earnings beats and Blackwell production updates as sufficient to maintain its edge, with Saudi Aramco and Tesla trailing significantly due to commodity volatility and autonomy execution risks[2].
Traders should monitor Q2 earnings reports, Blackwell ramp updates, and any regulatory shifts on AI exports as near-term catalysts that could reinforce or erode NVIDIA’s lead before July 31 resolution[2]. The Rubin platform launch and continued hyperscaler spending further underpin its $5 trillion valuation trajectory, outpacing peers in data-centre revenue growth[4]. With settlement fixed at 23:59 UTC on 31 July 2026, on-chain positions remain exposed to these real-time developments until final consensus reporting determines the outcome[2].
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 PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- 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.
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