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

- [2026-10-12] CompaniesMarketCap (fetched live) ranks NVIDIA #1 at $5.469T ($226.50). Apple is #2 at $4.954T, Alphabet #3 at $4.258T and Microsoft #4 at $4.009T. NVDA's lead over Apple is about $515B, roughly 10%. https://companiesmarketcap.com/ - [2026-10-12] Robinhood shows NVDA at $226.42 and $5.57T intraday, with a $224.92–$229.61 range. The 52-week range is $164.27–$243.37. https://robinhood.com/us/en/stocks/NVDA/ - [2026-10-09] The Morningstar quote shows NVDA closing at $229.28 and $5.54T. https://www.morningstar.com/stocks/xnas/nvda/quote - [2026-10-09] Stocktitan data through 9 Oct gives NVDA $5.54T, Apple $4.97T ($336.68), Alphabet $4.30T and Microsoft $3.97T. https://www.stocktitan.net/rankings/companies-market-cap - [2026-10-05] InvestingCube (fetched) had NVDA at $5.65T and Apple at $4.87T, a gap of about $780B. It says Apple briefly reclaimed the top spot from Nvidia in July 2026 after a strong rally. That July claim is from a single source and I did not verify it elsewhere. https://www.investingcube.com/deep-analysis/largest-companies-by-market-cap-in-2026-nvidia-leads-the-global-rankings/ - [2026-10-12] Yahoo Finance reports NVDA hit a record this week, bringing it close to $6T. That conflicts with the 52-week high of $243.37, which implies about $5.9T. Nvidia's price has since fallen about 1–2%. https://finance.yahoo.com/technology/ai/articles/nvidia-nears-6-trillion-market-125344955.html - [2026-08-26] Nvidia Q2 FY27 revenue was $96.2B, up 106% year on year. Q3 guidance is $108B ±2%, with no China data-center compute assumed. Vera Rubin is in full production. https://www.sec.gov/Archives/edgar/data/0001045810/000104581026000073/q2fy27pr.htm - [2026-10-12] Nvidia's next earnings date is reported as Nov 18 (ad-hoc-news), Nov 17 (Wall Street Horizon) or Nov 25 (TipRanks). All of these fall after Oct 31, so Nvidia's own report is not a catalyst before the question closes. https://ad-hoc-news.de/boerse/news/corporate-news/nvidia-stock-stands-at-eur-201-90-with-usd-5-5-trillion-market-value/70303805 - [2026-05-10] Alphabet briefly passed Nvidia after hours in early May, ending that week at $4.8T against Nvidia's $5.2T. It is the only rival that has come close this year, and it is now about $1.2T behind. https://bingx.com/en/news/post/alphabet-briefly-overtakes-nvidia-in-market-cap-as-shares-rise-in-a-year - [2026-10-12] Other large caps: SpaceX at $2.17T (listed June 2026), TSMC at $2.32T and Meta at $1.90T. None is near the top. https://companiesmarketcap.com/ - [2026-10-12] The resolution source is "a consensus of credible reporting", with no single named data feed. Current trackers (CompaniesMarketCap, Stocktitan, Morningstar, Robinhood) all agree that Nvidia is #1, and I found no source disputing it. Apple and Alphabet share-class treatment could matter only if the margin narrowed, which is unlikely at the current gap. BOTTOM LINE: As of Oct 12 Nvidia is the clear #1, about $0.5–0.6T (10–12%) ahead of Apple, with no contrary reporting. A reversal by Oct 31 would need a relative move of about 10% or more in under three weeks. Nvidia's earnings fall after the deadline, but Apple, Alphabet and Microsoft likely report in late October. I did not confirm those dates. NOT FOUND: Confirmed Q3 earnings dates for Apple, Alphabet and Microsoft (the search limit was hit). Any report of a recent Apple or Alphabet surge toward the top spot. Any named single resolution data source.

- [2026-10-12] Live ranking (companiesmarketcap.com, fetched). The top five were Nvidia at $5.469T ($226.50), Apple at $4.954T, Alphabet at $4.258T, Microsoft at $4.009T and Amazon at $2.804T. Nvidia's lead over Apple was about $515B, roughly 10%. Nvidia has been #1 on this tracker's ranking since mid-2025. https://companiesmarketcap.com/ - [2026-10-09] Nvidia closed at $229.28, a market cap of about $5.54T, which stockanalysis.com ranks #1 worldwide. The Motley Fool's October table (same price) shows Apple at $5.0T, so the lead over Apple was about $0.5T. Sources differ by about $0.1–0.2T on Apple's cap. https://stockanalysis.com/stocks/nvda/market-cap/ - [2026-10-06] Nvidia hit a record high after a strong revenue outlook and a $150B added buyback. Its intraday cap reached $5.84T and it closed at $239.24. Bloomberg and Quartz reported it nearing $6T, with no other company above $5.1T. The stock has since pulled back to about $226–229 (5–6%). https://finance.yahoo.com/technology/article/nvidia-stock-rises-to-new-highs-as-market-cap-closes-in-on-6-trillion-141332917.html - [2026-07-17] Base-rate precedent in this regime: Apple briefly passed Nvidia intraday, at about $4.88T against $4.82–4.91T, after Nvidia fell 2–4%. Apple then fell back behind. Nvidia has held #1 since June 2025. https://www.forbes.com/sites/tylerroush/2026/07/17/apple-unseats-nvidia-as-worlds-largest-company/ - [2026-05-10] Alphabet came closest. It briefly passed Nvidia in after-hours trading, at about $4.8T against $5.2T at the close. Alphabet was up about 160% in a year. Options priced about a 53% chance of Alphabet touching Nvidia's level before May 15. Nvidia stayed #1 on closing data; I did not confirm that it stayed #1 through May 31. https://www.cnbc.com/2026/05/10/alphabet-160percent-rally-in-year-reflects-value-of-owning-most-of-ai-stack.html - [2026-05-07] Other-venue markets, dated. Polymarket priced Alphabet at 23.5% to be #1 on May 31, 2026 and 29.5% for Dec 31, 2026. This is a secondary Yahoo report; those figures are stale, and the May leader markets did not resolve to Alphabet as far as I can see. https://finance.yahoo.com/markets/stocks/articles/alphabet-overtake-nvidia-world-biggest-145056979.html - [2026-07 to 2026-10] Nvidia's lead over #2 has ranged from negative intraday (Apple, 2026-07-17) to about +$0.4T (Alphabet, May) to about +$0.5–0.8T now. Closing leads of 8–15% over #2 are typical for the last month. Late September showed $5.39T against Apple's $4.93T (Statista, 2026-09-28), about 9%. https://www.statista.com/statistics/1350976/leading-tech-companies-worldwide-by-market-cap/ - [2026-09-18] Motley Fool snapshot: Nvidia $5.3T, Apple $4.8T, Alphabet $4.1T, Microsoft $3.7T. The ordering has been stable for about a month. https://www.fool.com/investing/2026/09/18/apple-nvidia-microsoft-i-ranked-the-5-largest-comp/ - [2026-07-17 history] The #1 spot has changed hands rarely. Apple held it for much of the 2010s, with periodic swaps with Microsoft. Nvidia took it from Microsoft in June 2025 and has held it since, apart from brief intraday flips. Nvidia first reached $5T in October 2025. https://www.forbes.com/sites/tylerroush/2026/07/17/apple-unseats-nvidia-as-worlds-largest-company/ - [2026-10-12] SpaceX (SPCX) is now listed at about $2.17T, and it does not threaten the top spot. Private companies are excluded by the trackers. https://companiesmarketcap.com/ - [2026-10-31] Calendar note. October 31, 2026 is a Saturday, so "as of market close" means the Friday October 30 close. I did not verify how the market handles this. Nvidia's next earnings are likely in November, after the date; I did not confirm this. Big-tech earnings (Apple, Alphabet, Microsoft) usually fall in late October and could move the gaps. https://companiesmarketcap.com/ BOTTOM LINE: The outside view favors Nvidia. It has been #1 since mid-2025, it leads #2 Apple by about 10% (about $0.5T), and its only flips were brief intraday ones (Apple in July, Alphabet in May after hours). A gap of about 10% over 2.5 weeks is overturned only by a relative move of that size, which has not happened on a closing basis in 2026. Late-October earnings from Apple and Alphabet are the main risk. NOT FOUND: Current Polymarket or Kalshi odds for this exact contract (not searched, per instructions). Current sibling-market prices for the October 31 leader. Confirmation of the exact Apple/Nvidia gap on October 12, since sources disagree by about $0.1–0.2T. The dates of Apple's and Alphabet's October earnings.

YES means: NVIDIA has the largest market capitalization of any company in the world at the market close that applies to October 31, 2026. That is a Saturday, so the relevant close is probably Friday, October 30, judged by a consensus of credible reporting. - [2026-10-06] Nvidia was at about $5.786T against Apple's $4.889T, a gap of about $897B. That is the widest of the recent snapshots. The price has since fallen about 1–2% from $229 to $226, but the gap was never smaller than about $0.5T in the last three weeks. Source: https://cryptobriefing.com/nvidia-lead-over-apple-market-cap/ - [2026-09-26] Closing-basis lead history: Nvidia led Apple by $497B on Sept 25 ($5.425T vs $4.928T). On Sept 23 Investing.com said Apple needed about 11% more to catch Nvidia. Nvidia has led at the close in every row of the Sept 16–Oct 12 snapshots. The July flips came when Nvidia fell 3.5% on Jul 17 and about 5% on Jul 27, which is a sentiment shock, not a loss of fundamentals. Source: https://tech-insider.org/apple-vs-nvidia-market-cap-497-billion-2026/ - [2026-10-27/28] The catalysts before the close are Alphabet and Microsoft (Oct 27 per Trefis; Oct 28 per other calendars, unconfirmed) and Apple (Oct 28 or 29, unconfirmed), all after the bell. For Nvidia to lose #1, Apple would need a large post-earnings gain, or Nvidia would need a fall. Nvidia's own earnings fall after the deadline. Source: https://www.trefis.com/stock/msft/articles/617316/which-dates-could-move-microsoft-stock-most/2026-10-01 - [2026-10-12] Microsoft is at about $4.0T, $1.4T behind. The Trefis note says its stock has made large two-day earnings moves of −9.8% to +14.7%, but even a +15% move would not reach Nvidia. Alphabet at $4.26T would need about +28%. Apple at $4.95T is the only plausible challenger. Source: https://www.trefis.com/stock/msft/articles/617316/which-dates-could-move-microsoft-stock-most/2026-10-01 - [2026-10-12] Wall Street's view of Nvidia is bullish. MarketBeat shows 54 Buy ratings, 1 Hold and 0 Sell, with a $321.89 average target and a $210 low. The low target is below the current $226 price. Source: https://www.marketbeat.com/stocks/NASDAQ/NVDA/forecast/ - [2026-10-12] Recent target changes are upward. Exane BNP raised its target from $285 to $345 on Oct 5. UBS kept $300 on Oct 9. Morgan Stanley restored Nvidia to a top pick. The stock trades at about 15x fiscal 2028 earnings, against Apple at about 35x fiscal 2027, so Nvidia is cheaper on forward earnings. Sources: https://stockanalysis.com/stocks/nvda/forecast/ and https://www.fool.com/investing/2026/10/07/nvidia-earned-about-twice-as-much-as-apple-last-quarter-its-stock-is-worth-only-about-20-more/ - [2026-10-05] Rubin demand is still being booked. AM Intelligence added 20,000 firm Rubin GPU orders on Oct 5, on top of an earlier 9,000. The March GTC claim of $1T in Blackwell and Rubin orders through 2027 is the backdrop. Sources: https://tech-insider.org/am-intelligence-20000-nvidia-rubin-gpus-india-2026/ and https://www.cnbc.com/2026/03/16/nvidia-gtc-2026-ceo-jensen-huang-keynote-blackwell-vera-rubin.html - [2026-10-12] Technical analysts cite resistance near $235 and support around $215–220. If $215 held, Nvidia would be worth about $5.2T. Apple would then need about +5% relative to that to pass it. Source: https://www.defenseworld.net/2026/10/12/nvidia-corporation-nvda-holdings-increased-by-strategic-global-advisors-llc.html - [2026-07-27] The July flips were small, and Apple's lead then was only about 3%. The current lead is about 10%. Apple's July 27 lead came from a 5% single-day Nvidia drop with Apple up about 1%. A repeat now would only cut the lead to about 5%. Source: https://www.ebc.com/forex/apple-overtakes-nvidia-near-5-trillion-can-earnings-keep-it-no-1 Most likely path to YES: nothing breaks. Nvidia drifts in the $215–240 range, Apple's October earnings do not lift it more than about 10% relative to Nvidia, and Nvidia is still #1 at the Oct 30 close on every tracker. That needs only that no 10%-or-greater relative move happens in 13 trading days. No such closing-basis move has happened since Apple's July run, which started from a 3–4% gap. BOTTOM LINE: The strongest YES case is that a 10% relative swing is needed. Over the last month the lead has been $0.5–0.9T, Nvidia's own earnings come after the deadline, and Microsoft and Alphabet are too far behind to matter. Apple's late-October earnings are the only live risk. NOT FOUND: A company-confirmed Apple earnings date. Calendars disagree (Oct 28 vs Oct 29), and Alphabet and Microsoft are shown as Oct 27 or 28. I also found no official statement on how the Saturday October 31 date will be handled.

YES means: NVIDIA is the largest company in the world by market cap at the close on October 31, 2026. That date is a Saturday, so in practice this is the Friday Oct 30 close. - [2026-10-06] Apple's investor relations page puts its fiscal Q4 report on Monday Nov 2, after the Oct 30 close. MacRumors read the page directly. Some aggregators still show a stale Oct 29 date. So Apple's earnings cannot move the Oct 30 ranking. Apple's own pre-earnings run-up is the only Apple path, and a new 10% gap-closing move there is not shown. https://www.macrumors.com/2026/10/06/apple-q4-2026-earnings-nov-2/ - [2026-10-12] This weakens the main NO catalyst the colleagues flagged (late-October Apple earnings). Apple's iPhone Duo launch on Oct 23 and a Bloomberg-reported Oct 27 Mac launch are product events. Neither is a result print. https://www.macrumors.com/2026/10/06/apple-q4-2026-earnings-nov-2/ - [2026-10-12] Alphabet's Q3 report is confirmed for Wed Oct 28 after the close, per Wall Street Horizon. MarketBeat and Public.com agree. TipRanks says Oct 27. Alphabet is therefore the only top-3 rival with a result before the Oct 30 close. It trails by about $1.2T, so it would need a roughly 28% relative move. Its Q2 EPS of $9.11 was inflated by a $98B equity gain. https://www.wallstreethorizon.com/alphabet-earnings-calendar - [2026-10-12] Nvidia is under real pressure. The semiconductor index has lost about 7% over a losing streak. Nvidia fell 1.7% on Oct 12, about 5.8% below the Oct 6 record of $239.24. All 30 index members were lower, and Deutsche Bank cut tech to neutral. A further 5–10% Nvidia drop is needed to threaten Apple, and this drawdown is the momentum behind that case. https://coinpaper.com/37166/ai-stocks-sell-off-all-30-major-chip-stocks-fall-as-nvidia-falles-nasdaq-weakens - [2026-10-12] The drivers of the selloff are macro and AI-financing worries, which hit Nvidia harder than Apple. The 10-year yield briefly hit 5.36%, oil is above $106, and the OpenAI annualized-revenue shortfall (about $50B) raised capex-sustainability doubts. Apple has no equivalent exposure. This is a mechanism for rotation out of Nvidia and into Apple. https://stockstory.org/us/stocks/nasdaq/nvda/news/why-up-down/why-nvidia-nvda-stock-is-trading-lower-today-5 - [2026-10-08] MarketBeat recorded Nvidia down 2.9% on Oct 8 from a $237.47 close. A $5.5T stock moves $150B or more on single headlines. StockStory counts only 8 moves above 5% in the past year. A 10% Nvidia-vs-Apple swing therefore needs several days of cumulative divergence, but 2.5 weeks provides that. https://www.marketbeat.com/instant-alerts/price-nvidia-nasdaq-nvda-stock-falls-29-whats-next-2026-10-08/ - [2026-10-12] Further Nvidia-specific headline risks are in the news. These are Microsoft's in-house chip, Nvidia's talks on Reflection AI, a reported SpaceX $40B chip-purchase financing, and earlier circular-financing criticism (the $250B OpenAI guarantee report, Burry). Each feeds a narrative that Nvidia is financing its own demand. https://fxleaders.com/news/2026/10/12/nvda-stock-falls-to-225-as-microsoft-chip-and-talks-to-invest-in-reflection-ai-raise-debt-fears - [2026-10-09] The Polymarket Oct 2026 leader market showed Nvidia at about 94–97% with Apple at 3–5%. Another Polymarket page showed 94/5. So the crowd's NO side is thin, and any NO case must be a tail. Apple is the only plausible spoiler. Alphabet is under 1% and Microsoft under 1%. https://polymarket.com/event/largest-company-end-of-october-2026/will-nvidia-be-the-largest-company-in-the-world-by-market-cap-on-october-31-2026 - [2026-10-09] The same Polymarket page gives its rules: the market resolves to the largest company on Oct 31, 2026 as of market close, using a consensus of credible reporting. It names no data feed. The 2025 version of the same market ended with Nvidia resolving Yes, with no dispute. A Saturday date creates an ambiguity risk, but one that favors the Friday-close leader. https://polymarket.com/event/largest-company-end-of-october-2026/will-nvidia-be-the-largest-company-in-the-world-by-market-cap-on-october-31-2026 - [2026-10-12] Resolution-technicality angle: "consensus of credible reporting" does not require a closing-price tracker. If any headline says Apple or another company "unseats" Nvidia on an intraday basis (as Forbes did on 2026-07-17) near Oct 30, the resolver could be pushed toward NO. This is a small tail, since the stated reference is the market close. https://polymarket.com/event/largest-company-end-of-october-2026/will-nvidia-be-the-largest-company-in-the-world-by-market-cap-on-october-31-2026 - [2026-10-12] Alphabet's dilution and funding plan gives Alphabet a share-count change that trackers may treat differently. It includes a $40B ATM program starting Q3 2026 and a $10B Berkshire private placement at about $352 per share. Alphabet's price in the Berkshire deal was about $352, and MarketBeat showed GOOG at $343.54. This does not change the roughly $1.2T gap to Nvidia. https://www.sec.gov/Archives/edgar/data/0001652044/000119312526257724/d83560dex991.htm BOTTOM LINE: The strongest NO case is a rotation out of Nvidia. The AI-financing selloff has cut it about 6% in a week, it has no earnings catalyst, and Apple (about 10% behind) has not reported before the Oct 30 close. Apple's earnings on Nov 2 and the weekend date mean there is no scheduled Apple catalyst, so NO still needs an unscheduled relative move of about 10%. NOT FOUND: Microsoft's confirmed Q1 FY27 earnings date. Current Apple and Nvidia closing market caps for Oct 12 from a primary source. Any report of Apple or another company approaching Nvidia in October. How Polymarket treats a non-trading Saturday date.