Anthropic's confidential S-1 filing with the SEC on June 1, 2026, following its $65 billion Series H round at a $965 billion valuation, has positioned the Claude developer for a potential fall 2026 debut as early as September or October, with major banks already engaged in investor outreach. In contrast, OpenAI—despite its own earlier S-1 submission—has shifted toward a possible 2027 timeline amid internal deliberations over the tradeoffs of going public versus remaining private. These developments, including Anthropic's accelerated preparations and OpenAI's reported delay signals from late June, underpin the market's strong 87.5% implied probability that Anthropic reaches public markets first. Upcoming catalysts include any confirmed pricing or roadshow updates for Anthropic and further clarity on OpenAI's revised plans.
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 with the SEC on June 1, 2026, following its $65 billion Series H round at a $965 billion valuation, has positioned the Claude developer for a potential fall 2026 debut as early as September or October, with major banks already engaged in investor outreach. In contrast, OpenAI—despite its own earlier S-1 submission—has shifted toward a possible 2027 timeline amid internal deliberations over the tradeoffs of going public versus remaining private. These developments, including Anthropic's accelerated preparations and OpenAI's reported delay signals from late June, underpin the market's strong 87.5% implied probability that Anthropic reaches public markets first. Upcoming catalysts include any confirmed pricing or roadshow updates for Anthropic and further clarity on OpenAI's revised plans.
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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