What is the Anthropic vs OpenAI IPO prediction market about?

This market predicts which AI company, Anthropic or OpenAI, will complete an initial public offering first before December 31, 2027, based on official company announcements and credible news sources.

When does the Anthropic or OpenAI IPO first market resolve?

The market is scheduled to resolve by December 31, 2027, at 11:59 PM ET, depending on whether Anthropic or OpenAI has completed an IPO before that deadline.

What counts as an IPO for this market?

The market requires a completed Initial Public Offering by Anthropic or OpenAI, confirmed through official announcements and reliable reporting. Rumors, private funding rounds, or IPO plans alone would not typically be enough.

What smart money activity is PolySpotter tracking?

PolySpotter currently tracks $4,777 in smart money on this market, with recent alerts showing an 85% winner and serial cross-market bettor buying Anthropic.

Why are traders watching an OpenAI or Anthropic IPO?

OpenAI and Anthropic are two of the most closely watched AI companies, and an IPO from either would be a major event for AI, technology, and public market investors.

Part of: Will Anthropic or OpenAI IPO first?

Will Anthropic or OpenAI IPO first?

This prediction market asks whether Anthropic or OpenAI will complete an IPO first before the December 31, 2027 deadline. If neither company IPOs first in time or the outcome cannot be determined under the market rules, resolution may differ based on the full Polymarket criteria. PolySpotter is tracking $4,777 in smart money activity, including recent sharp buying on Anthropic.

This market will resolve to "Anthropic" if Anthropic completes an Initial Public Offering (IPO) before OpenAI 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 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.

3 smart money signals detected, totaling $9,208.

Categories: OpenAI, Claude 5, sam altman, AI, IPOs, IPO, Business, Finance, OpenAI IPO

Notable Trades

85% serial cross-market bettor

Sharp serial cross-market bettor with an 85% resolved win rate is taking the contrarian OpenAI side by selling Anthropic around 81–82¢.

This bettor has won 85% of 310 resolved trades and is up $42k lifetime.
They are a serial cross-market trader with over $5.9M deployed across 307 markets.
Selling Anthropic at 81–82¢ is effectively buying OpenAI at about 19¢, against the market’s 82% Anthropic consensus.

$4,777 on OpenAI | Wallet win rate: 85%

Serial cross-market sharp

A highly active serial cross-market trader with an 85% resolved win rate is fading Anthropic by selling it at 82¢, equivalent to buying OpenAI at 18¢.

This bettor wins 85% of resolved trades across 310 markets and is up $42K lifetime.
They are fading the 82¢ favorite, which is equivalent to buying OpenAI at 18¢.
This wallet has traded across 229 events with about $5.9M in total activity.

$2,018 on OpenAI | Wallet win rate: 85%

85% winner buying Anthropic

Sharp 85% winner with extensive cross-market history bought Anthropic, coinciding with a major upward price breakout.

This bettor wins 85% of resolved trades and is up $42k lifetime.
They have traded 226 related events with $5.9M total volume, suggesting a repeatable research edge.
They bought $2.4k of Anthropic at 74–75¢ before the market moved to 82¢.

$2,413 on Anthropic | Wallet win rate: 85%