OpenAI's valuation has remained anchored at $852 billion following its record $122 billion primary round in March 2026 and an internal $7 billion employee tender completed in August that explicitly held the price flat without new external investors. Revenue has scaled rapidly to a $25–40 billion annualized run rate, supported by major partnerships with Amazon, Nvidia, and Microsoft, yet the company confidentially filed for an IPO in June with advisers now signaling a 2027 listing rather than a late-2026 debut. This timeline shift, coupled with Anthropic's higher $965 billion valuation and comparable revenue trajectory, has tempered expectations for any near-term re-rating above current levels by September 30. Secondary market indications around $894 billion provide limited upside signals ahead of the resolution window.
Résumé expérimental généré par IA à partir des données Polymarket. Ceci n'est pas un conseil de trading et ne joue aucun rôle dans la résolution de ce marché. · Mis à jourNPM Prices are published for trading days only and are updated once daily at 1:00 PM ET on the following calendar day.
If NPM has not published relevant data for all business dates in the specified period by 1:00 PM ET on the calendar date following the specified date, this market will remain open until 11:59 PM ET on the third business day following the specified date. If no further data is released by that time, the market will resolve according to the data available.
If NPM ceases publishing relevant data prior to the end of the specified period, this market will resolve based on the NPM data published for the period prior to the cessation of coverage, as well as any applicable public market capitalization data following an IPO or direct listing.
If the company completes an IPO or direct listing before the end of the specified period, this market will consider, in addition to the relevant NPM valuations published between market creation and the IPO or direct listing date, the valuation implied by the official IPO or direct listing price, and the company’s public market capitalization between the IPO or direct listing date and the end of the specified period.
Public market capitalization will be determined through appropriate calculation using official regular-hours trading prices published for the company’s listed equities on its primary exchange for any trading day during the specified period, multiplied by the company's total number of shares outstanding at the relevant time. If necessary, to accurately capture the company’s total market capitalization, rather than a stock-class-specific market capitalization, the calculation will include all outstanding share classes and apply any stated conversion ratios to the publicly traded class. Where no conversion right exists, such shares will be counted at their stated outstanding amount without discount, unless official filings explicitly specify differently. The number of outstanding shares will be determined from official company filings or disclosures (e.g., SEC filings).
If the listed company merges with or acquires another entity and remains the parent company, no change to resolution methodology applies.
If the listed company is acquired, merges into another entity and is no longer the surviving parent company, or otherwise ceases to exist as an independent entity prior to the end of the period, only NPM valuations and applicable public market capitalizations achieved prior to completion of the transaction will be considered for resolution. No transaction, acquisition, or merger consideration will be considered for resolution.
The resolution source for this market is NPM data published here: (https://fe.secondmarket.com/companies/data?start_date=2025-12-31&view=valuation&companies=company-30839e0b-2730-4495-839f-1bf638fa9cca). The resolution source for any period following an IPO, direct listing, or relevant corporate action, will be the relevant Market Cap figure displayed on https://www.nasdaq.com/ as well as official exchange trading data and publicly reported share counts.
Revisions to previously published NPM data made after their initial release will not be considered, unless made to correct clearly erroneous data.
Marché ouvert : Aug 31, 2026, 6:59 PM ET
NPM Prices are published for trading days only and are updated once daily at 1:00 PM ET on the following calendar day.
If NPM has not published relevant data for all business dates in the specified period by 1:00 PM ET on the calendar date following the specified date, this market will remain open until 11:59 PM ET on the third business day following the specified date. If no further data is released by that time, the market will resolve according to the data available.
If NPM ceases publishing relevant data prior to the end of the specified period, this market will resolve based on the NPM data published for the period prior to the cessation of coverage, as well as any applicable public market capitalization data following an IPO or direct listing.
If the company completes an IPO or direct listing before the end of the specified period, this market will consider, in addition to the relevant NPM valuations published between market creation and the IPO or direct listing date, the valuation implied by the official IPO or direct listing price, and the company’s public market capitalization between the IPO or direct listing date and the end of the specified period.
Public market capitalization will be determined through appropriate calculation using official regular-hours trading prices published for the company’s listed equities on its primary exchange for any trading day during the specified period, multiplied by the company's total number of shares outstanding at the relevant time. If necessary, to accurately capture the company’s total market capitalization, rather than a stock-class-specific market capitalization, the calculation will include all outstanding share classes and apply any stated conversion ratios to the publicly traded class. Where no conversion right exists, such shares will be counted at their stated outstanding amount without discount, unless official filings explicitly specify differently. The number of outstanding shares will be determined from official company filings or disclosures (e.g., SEC filings).
If the listed company merges with or acquires another entity and remains the parent company, no change to resolution methodology applies.
If the listed company is acquired, merges into another entity and is no longer the surviving parent company, or otherwise ceases to exist as an independent entity prior to the end of the period, only NPM valuations and applicable public market capitalizations achieved prior to completion of the transaction will be considered for resolution. No transaction, acquisition, or merger consideration will be considered for resolution.
The resolution source for this market is NPM data published here: (https://fe.secondmarket.com/companies/data?start_date=2025-12-31&view=valuation&companies=company-30839e0b-2730-4495-839f-1bf638fa9cca). The resolution source for any period following an IPO, direct listing, or relevant corporate action, will be the relevant Market Cap figure displayed on https://www.nasdaq.com/ as well as official exchange trading data and publicly reported share counts.
Revisions to previously published NPM data made after their initial release will not be considered, unless made to correct clearly erroneous data.
OpenAI's valuation has remained anchored at $852 billion following its record $122 billion primary round in March 2026 and an internal $7 billion employee tender completed in August that explicitly held the price flat without new external investors. Revenue has scaled rapidly to a $25–40 billion annualized run rate, supported by major partnerships with Amazon, Nvidia, and Microsoft, yet the company confidentially filed for an IPO in June with advisers now signaling a 2027 listing rather than a late-2026 debut. This timeline shift, coupled with Anthropic's higher $965 billion valuation and comparable revenue trajectory, has tempered expectations for any near-term re-rating above current levels by September 30. Secondary market indications around $894 billion provide limited upside signals ahead of the resolution window.
Résumé expérimental généré par IA à partir des données Polymarket. Ceci n'est pas un conseil de trading et ne joue aucun rôle dans la résolution de ce marché. · Mis à jour

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