NVIDIA be the largest company in the world by market cap on Oct. 31, 2026 priced at 82% on Polymarket, down 5 points, on $144K traded
PredictionBubbles ranks the market-cap contract among the day's downward moves — a contract not featured in any earlier edition today, in a finance category distinct…
NVIDIA’s chances of being the world’s largest company by market capitalization on Oct. 31, 2026 were priced at 82% on Polymarket, down 5 probability points, with $144K traded. The update was published on Oct 16, 2026 at 9:24 PM ET.
According to PredictionBubbles, the contract was among the day’s downward movers. It had not appeared in an earlier edition that day, though that does not establish when the contract began trading.
A decline in confidence, not a reversal
The 82% price still puts NVIDIA firmly on the favored side of the outcome. The decline measures a shift in traders’ expectations about its market-cap ranking on the specified date—not a change in NVIDIA’s market capitalization itself.
The supplied reporting does not identify a catalyst for the repricing or provide competing companies’ market capitalizations. It therefore offers no basis for attributing the move to a particular corporate development or change in equity prices.
How the move is measured
PredictionBubbles ranks contracts from Polymarket and Kalshi by their absolute probability-point changes over 24 hours, rather than relative percentage changes. Its source page says prices were read from the venues on 17 Oct 2026, 01:15 UTC, with updates every 15 minutes.
The scanner’s universe covered 1,995 markets lasting longer than 14 days. Only open contracts with a valid 24-hour comparison qualify for ranking; volume and liquidity provide context but do not determine placement. The $144K traded figure should consequently be distinguished from evidence about available liquidity.
What it means for prediction markets
- NVIDIA remains favored: An 82% implied probability indicates a strong market preference for the outcome, despite the 5-point decline.
- The deadline matters: The contract concerns the market-cap ranking on Oct. 31, 2026, not NVIDIA’s longer-term position.
- The explanation remains open: The supplied material documents repricing but does not establish its cause or show how much liquidity supported it.
Sources & attribution
- [1]Predictionbubbles (predictionbubbles.net)https://predictionbubbles.net/markets/movers/
Date & time:
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