NVIDIA be the largest company in the world by market cap on October 31, 2026 priced at 55.6% on Polymarket, down 15.2 points, on $256K traded
PredictionBubbles' finance board lists the NVIDIA October-dated market-cap leadership contract among its largest downward finance moves, in a finance category distinct…
NVIDIA leadership odds retreat
The Polymarket contract asking whether NVIDIA will be the world’s largest company by market capitalization on October 31, 2026 was priced at 55.6%, down 15.2 percentage points, with $256K traded in the October 24, 2026 snapshot published at 12:09 PM ET.
According to PredictionBubbles, the contract appeared among the largest downward moves on its finance board. The site measures probability changes over the preceding 24 hours, making the decline a shift in traders’ assessment of the outcome rather than a measure of NVIDIA’s share-price performance.
Reading the board
The 55.6% price still puts the market-implied likelihood of NVIDIA holding the top position above even odds. The supplied material does not identify a catalyst for the repricing or provide the contract’s detailed resolution rules.
PredictionBubbles ranks movers by the absolute size of their probability changes, separately from its ranking by total traded volume. The $256K figure represents total trading reported for the contract, not necessarily activity during the same 24-hour period as the decline.
According to PredictionBubbles, its finance board tracks 196 open markets: 22 from Kalshi and 174 from Polymarket. Its data refreshes every 15 minutes, while trading on the underlying venues continues between updates.
What it means for prediction markets
- A narrower edge: At 55.6%, the contract still favors NVIDIA achieving market-cap leadership on October 31, 2026, despite the 15.2-point retreat.
- Movement and volume differ: The probability decline captures a 24-hour change; the $256K total does not establish how much traded during that window.
- Resolution details matter: The supplied material does not specify how the contract determines market-cap leadership. PredictionBubbles also cautions that related contracts can differ in wording, deadlines and resolution rules.
- Snapshot, not a fixed forecast: The board’s 15-minute refresh schedule means displayed odds can lag subsequent trades.
- Predictionbubbles (predictionbubbles.net)https://predictionbubbles.net/markets/finance/