IPO & listing · market-priced

IPO & listing: OpenAI

SigB keeps one record for this event, covering news reports and prediction-market questions. Tracked since 2026-09-02; last priced 2026-10-16.

Developers can read this record at /api/record/ipo-listing-openai or with the get_topic_record MCP tool.

Dormant record: no market has priced this since 2026-10-16. SigB still maintains the record. The prices and questions below date from then, not today.

This record began from prediction-market questions, which SigB cites as one source.

Matched news mentions
36
News items matched to this event. The most recent are listed below.
Market questions
30
Questions markets priced (last priced 2026-10-16). Questions that differ only by price level or deadline are grouped into the 6 listed below.

Walk the record from IPO & listing: OpenAI

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IPO & listing: OpenAI

Situation.

Evidence: 36 documents · 24 separate publishers · a match is coverage, not verification
Standing: Added automatically from coverage
Time: first seen 2 Sept 2026, last seen 16 Oct 2026
Measured: 97% of matching documents describe a specific action; the rest only mention it
As of: 10 Nov 2026

9 links from here

What it is about (1)

OpenAI

Who and what is involved (2)

Anthropicnamed by 5 separate outlets in its reports
Anthropic Iponamed by 2 separate outlets in its reports

Related situations (6)

Funding round: OpenAIshares OpenAI
Product launch: Astrashares OpenAI, Anthropic
IPO & listing: Anthropicshares Anthropic, Anthropic Ipo
IPO & listing: Anthropic & Anthropic IPOshares Anthropic, Anthropic Ipo
Funding round: Anthropicshares Anthropic
Product launch: Anthropic & Claude Opusshares Anthropic

For machines: this record as JSON

Who this involves

What it is about: OpenAI.

Names this event’s own reports carry in at least two separate outlets.

Anthropic · 5 outlets
Anthropic Ipo · 2 outlets

In the coverage

Recent reporting behind this event, with the original source behind every headline. As of 2026-11-10, newest first.

Scope Markets Adds Pre-IPO CFDs on Anthropic and OpenAI…FinanceFeeds · 2026-11-09
OpenAI Forms JPMorgan Partnership Ahead of 2027 IPOPYMNTS · 2026-11-06
OpenAI president Greg Brockman says company could be IPO ready in 2027TechCrunch AI · 2026-11-05
OpenAI eyes 2027 IPO after strong Q3 2026 revenue growthCrypto Briefing · 2026-11-05
Report: OpenAI closing on $30B ‘bridge’ funding round to tide it over before IPOSiliconANGLE · 2026-10-23
OpenAI working on new $30B raise at $1.25T valuation ahead of IPOTechCrunch · 2026-10-22
OpenAI Races to Raise $30 Billion at a $1.4 Trillion Valuation Ahead of Anthropic’s IPOTekedia · 2026-10-21
‘Two-horse race’: OpenAI seeks to accelerate fundraising ahead of Anthropic IPO, sources sayThe Business Times · 2026-10-20
OpenAI is racing to raise $30 billion before Anthropic's expected IPOQuartz · 2026-10-20
MNX Opens Pre-IPO Bets On OpenAI And Anthropic Valuations, No Shares RequiredYellow.com · 2026-10-14
OKX Australia launches pre-IPO perpetual futures for OpenAI, AnthropicCapital Brief · 2026-10-13
OpenAI seeks $30B amid valuation contrast with Anthropic’s potential $2T IPOCrypto Briefing · 2026-10-09

What markets are asking

Questions from public prediction markets, each with its last price and the date it was seen.

Will OpenAI raise less than $30B in its IPO?View this question on Polymarket · last price 14.75% Yes, seen 2026-10-17
Will OpenAI raise between $30B and $40B in its IPO?View this question on Polymarket · last price 4.05% Yes, seen 2026-10-17
Will OpenAI raise at least $100B in its IPO?View this question on Polymarket · last price 13% Yes, seen 2026-10-17
Will OpenAI's IPO valuation be less than $1T?View this question on Polymarket · last price 25.85% Yes, seen 2026-11-10
Will OpenAI’s market cap be less than $500B at market close on IPO day by December 31, 2027? · 1.1 year outView this question on Polymarket · last price 2.05% Yes, seen 2026-11-09
Will OpenAI not IPO by December 31, 2027? · 1.1 year outView this question on Polymarket · last price 29.05% Yes, seen 2026-11-09

Related events

Each one shares a name both events’ own reports carry; the shared names are listed with it.

Funding round: OpenAIshares OpenAI
Product launch: Astrashares OpenAI, Anthropic
IPO & listing: Anthropicshares Anthropic, Anthropic Ipo
IPO & listing: Anthropic & Anthropic IPOshares Anthropic, Anthropic Ipo
Funding round: Anthropicshares Anthropic
Product launch: Anthropic & Claude Opusshares Anthropic

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Prices are the market’s own, cited with the venue. Mention counts come from SigB’s tracked coverage. Informational only, not advice. As of 2026-11-10.