Anthropic’s confidential S-1 filing on June 1, 2026, followed by its targeting of a September or October listing, has anchored trader consensus that it will reach public markets ahead of OpenAI. The company’s $65 billion Series H round at a $965 billion valuation and banker discussions with Morgan Stanley, Goldman Sachs, and JPMorgan underscore its accelerated timeline. In contrast, OpenAI filed days later but has since signaled a potential shift toward 2027, with reports citing internal deliberations and a desire to complete additional milestones as a private entity. These developments have produced the current 87.5% market-implied odds for Anthropic, reflecting capital-weighted assessment of filing order, regulatory review pace, and management statements on preferred windows. Key upcoming catalysts include any public S-1 amendments or final pricing announcements that could alter the relative timelines.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-updateWill Anthropic or OpenAI IPO first?
Anthropic
$290,090 Vol.
$290,090 Vol.
Anthropic
$290,090 Vol.
$290,090 Vol.
This market will resolve to "OpenAI" if OpenAI completes an Initial Public Offering (IPO) before Anthropic completes an IPO by December 31, 2027, 11:59 PM ET, as confirmed by official company announcements and credible news sources.
This market will resolve 50-50 if:
- Neither company completes an Initial Public Offering (IPO) by December 31, 2027, 11:59 PM ET;
- Both companies complete an IPO on the same calendar date (ET); or
- By December 31, 2027, 11:59 PM ET, both companies become unable to complete an IPO, including due to acquisition, merger, or absorption by an entity that is already publicly traded.
The IPO refers to the first sale of stock by the listed company to the public on any recognized stock exchange.
The resolution source for this market is a consensus of credible reporting.
Binuksan ang Market: Jan 30, 2026, 5:43 PM ET
Resolver
0x65070BE91...This market will resolve to "OpenAI" if OpenAI completes an Initial Public Offering (IPO) before Anthropic completes an IPO by December 31, 2027, 11:59 PM ET, as confirmed by official company announcements and credible news sources.
This market will resolve 50-50 if:
- Neither company completes an Initial Public Offering (IPO) by December 31, 2027, 11:59 PM ET;
- Both companies complete an IPO on the same calendar date (ET); or
- By December 31, 2027, 11:59 PM ET, both companies become unable to complete an IPO, including due to acquisition, merger, or absorption by an entity that is already publicly traded.
The IPO refers to the first sale of stock by the listed company to the public on any recognized stock exchange.
The resolution source for this market is a consensus of credible reporting.
Resolver
0x65070BE91...Anthropic’s confidential S-1 filing on June 1, 2026, followed by its targeting of a September or October listing, has anchored trader consensus that it will reach public markets ahead of OpenAI. The company’s $65 billion Series H round at a $965 billion valuation and banker discussions with Morgan Stanley, Goldman Sachs, and JPMorgan underscore its accelerated timeline. In contrast, OpenAI filed days later but has since signaled a potential shift toward 2027, with reports citing internal deliberations and a desire to complete additional milestones as a private entity. These developments have produced the current 87.5% market-implied odds for Anthropic, reflecting capital-weighted assessment of filing order, regulatory review pace, and management statements on preferred windows. Key upcoming catalysts include any public S-1 amendments or final pricing announcements that could alter the relative timelines.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-update

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