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Largest Company end of December 2026?

Largest Company end of December 2026? Where the market stands, how it has moved and how this market resolves.

NVIDIA 75% Market-implied probability down 9 pts

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Editorial analysis

The Sweat's View

The market is saying the first-place gap is large enough to persist for another twelve weeks. At about $600 billion, it would take a relative move of around 12% between NVIDIA and Apple to change the order, which is possible for stocks of this size but not usual in a quarter. The things that could narrow it are an AI-spending scare that hits NVIDIA harder than its peers, or a strong run in Apple or Alphabet. Treat the number as where the market stands today, not a forecast by The Sweat.

Market Split

83%
  • NVIDIA83%
  • Apple15%
  • All others3%

Each option is priced on its own, so shares are scaled to add up to 100%.

How the Market Has Moved

  • Oct 11 NVIDIA fell 4 points, from 84% to 80%.

The Market in Brief

NVIDIA leads at 75%, followed by Apple at 13% and Alphabet at 2%. 8 outcomes are listed in total. The market has 8.1M in volume. It is expected to resolve on December 31, 2026.

The Case For

  • NVIDIA, the market's leading outcome, was the largest listed company on October 8, 2026 at about $5.57 trillion, ahead of Apple at $4.97 trillion and Alphabet at $4.26 trillion. StockTitan
  • Its business is still growing fast. For the quarter ended July 26, 2026, NVIDIA reported revenue of $96.2 billion, up 106% from a year earlier, and guided to $108.0 billion, plus or minus 2%, for the next quarter. NVIDIA Form 8-K (SEC)

The Case Against

  • Apple is second, roughly $600 billion behind, so it would need to gain about 12% more than NVIDIA to pass it. Alphabet is third at $4.26 trillion. StockTitan
  • NVIDIA's guidance assumes no Data Center compute revenue from China, and its value can move sharply with sentiment on AI spending. A Motley Fool ranking put it at $5.65 trillion on October 2, so it has already moved about $80 billion lower in a week by one set of figures. NVIDIA Form 8-K (SEC)

What to Watch

  • NVIDIA's next quarterly results NVIDIA has guided to $108.0 billion of revenue for the quarter ending in October. The company has not confirmed a reporting date in anything I found; last year it reported in mid-November. Source
  • The end-of-December ranking December 30, 2026 The market resolves on the ranking at the end of December, so the gap between NVIDIA and Apple on that day is what counts.

Current Probability

NVIDIA

75%

Market-implied probability

  • 24 hours down 9 pts
  • 7 days down 8 pts

Source

Single source

Key facts

Ends
December 31, 2026 81 days left
Volume
8.1M

Probability History

Outcomes Market-implied probability

  1. NVIDIA 75% 24 hours: down 9 pts
  2. Apple 13% 24 hours: down 1 pts
  3. Alphabet 2% 24 hours: no change
  4. Microsoft <1% 24 hours: no change
  5. SpaceX <1% 24 hours: no change
See all 8
  1. Tesla <1% 24 hours: no change
  2. Saudi Aramco <1% 24 hours: no change
  3. Amazon <1% 24 hours: no change

Each option is priced on its own, so these may not add up to 100%.

How It Resolves

This market will resolve to the largest company in the world by market cap on December 31, 2026, as of market close.

The resolution source for this market will be a consensus of credible reporting.

Resolution source: Polymarket

Expected resolution: December 31, 2026