PolymarketAI / TechDevelopingUpdated 9m ago

Will NVIDIA be the largest company in the world by market cap on October 31, 2026?

As of Oct 23, 2026, 6:12 PM ET, Polymarket priced this market at 59.7% (little changed over 24 hours). It had $24.9K traded in the past 24 hours, $10.4K of order-book liquidity and a bid-ask spread of 9.1 pts. probcast.co rates the support behind this price as weak.

Market probability
59.7%
Little changed over 24 hours

Thin market where small orders can move the price, with broad trading across many accounts.

Price historyPolymarket

Source: Polymarket price history

How credible was the move?

Methodology →

Move validity

Weak

Consensus stability

Stable

Contract clarity

High

Can you trust this price?

Two different questions: how hard the price is to move, and whose trading set it.

Market capacity

How hard is it to move this price?

ThinLoosely priced

Order-book liquidity

$10.4K

Bid-ask spread

9.1 pts

24h volume

$24.9K

Total volume

$242.2K

It would take roughly $236 of buying to move the price up by ~5 pts.

Little money on the book — a modest order can move this price, so treat swings with care.

Who's trading

Whose opinion is this price?

Broad participation
30%of the traded money came from the single largest account

Accounts

65

Trades

200

over 8h

Largest order

$1.8K

$7.8K traded across these 200 trades (last 8h).

Many independent accounts traded — the price reflects a crowd, not one trader.

Recent trade activity$7.8K traded

From the latest trade tape (most recent 200 prints) — a live activity sample, not a lifetime total.

What this market actually measures

This market will resolve to the largest company in the world by market cap on October 31, 2026, as of market close. The resolution source for this market will be a consensus of credible reporting.

This summary shows the opening of the venue's official rules. ProbCast has not yet generated an independent plain-English interpretation for this contract — review the full rules before relying on it.

View full official resolution rules

This market will resolve to the largest company in the world by market cap on October 31, 2026, as of market close. The resolution source for this market will be a consensus of credible reporting.

What could move this market next?

  • The market's deadline arrivesOctober 31, 2026 at 11:59 PM ET

    The contract must resolve based on what has happened by this date.

Derived from the contract's own mechanics as of Oct 23, 6:21 PM ET. ProbCast does not list scheduled meetings, announcements, or data releases it cannot verify.

Advanced analysis (experimental)

Research signals — these models are still accumulating the history needed for full validation, and they can disagree with the headline read. Model confidence: low · expected error ±18 pts.

Thin marketLegacy movement classifier: watch

What's happening

medium classifier confidence
Thin market

Thin book and/or wide spread. Small orders can move this price disproportionately, so any single print is noisy and easily overread.

  • Wide spread (9.1 pts)

Read with caution —Read the latest price with caution; conditions make it an unreliable summary right now.

More details — reliability score, dynamics, durability
Reliability score
32Low
Where the price path tends to go next1578 observed
  • Choppy / mean-reverting97%

Short-term motion of the price line (~1h), distinct from the environment above — not a prediction of the final outcome.

DurabilityHigh· half-life —
PredictabilityStable

Secondary read: leaning toward Trading normally.

A read-only classification of the market environment — how much weight the current price deserves as a read of consensus. It describes conditions, never a trade.

Change (pts)1H0.06H0.024H0.07D0.0

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