Will Anthropic or OpenAI IPO first? [ resolves 2027-12-31 (543D) ]
Will Anthropic or OpenAI IPO first?
polymarket: [C] multiple sources, no tie-break·reporting consensus methodology ›
markets · by resolution date · marks: daily snapshot
polymarket 1 market
| market | resolves | P(YES) | vol (24h) | vol (cum) | RCG | venue id | ||
|---|---|---|---|---|---|---|---|---|
| Will Anthropic or OpenAI IPO first | 2027-12-31 | 76.0% | $10K | $158K | C | 0xc289a8…98dc |
resolution architecture
| venue | proposer | source | citation | arbitration | class | analyst notes |
|---|---|---|---|---|---|---|
| polymarket | Whitelisted Proposers | uncommitted | not provided | Optimistic Oracle (UMA) | Other | — |
verbatim rules
polymarket
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.
platform source field
polymarket.resolutionSource → ∅ no committed source — see rules text above sources (3)
- official company announcements from rules text · editorial
- credible news sources from rules text · editorial
- consensus of credible reporting from rules text · editorial
recent wire items
monitoring status: active no active wire
No CM Signal wire has been published for this event yet.
CM Signal’s news-cycle scan surfaces the day’s top stories alongside the prediction markets pricing them. When a story references this event, its wire is published here and links back to this page.
programmatic access · four surfaces, same payload
One canonical record at every surface — embedded JSON-LD, REST, MCP, and /llms.txt.
| HTML | browsers, AI grounded search, crawlers (embedded JSON-LD @type: Dataset) | https://clearmarket.fyi/events/will-anthropic-or-openai-ipo-first/ |
| JSON | REST API for developers | https://api.clearmarket.fyi/v1/events/will-anthropic-or-openai-ipo-first |
| MCP | agentic AI tool call (Claude Desktop, Cursor, Continue) | clearmarket.get_event("will-anthropic-or-openai-ipo-first") |
| AGENT | AI crawler discovery index | /llms.txt |
Snapshot 2026-07-06. Venue data via Kalshi + Polymarket APIs. Editorial fields (tags, editorial_notes) are ClearMarket-drafted with AI assistance under editorial review. Derived fields (venues_covered, resolution_clarity_grade, rcg_score) computed at serve time. Full per-field map in the JSON record under field_provenance.
raw JSON record · same payload returned by REST endpoint {
"event_id": "CM-EVT-9WNQTZHLM5",
"slug": "will-anthropic-or-openai-ipo-first",
"question": "Will Anthropic or OpenAI IPO first?",
"category": "technology",
"tags": [
"technology",
"openai",
"anthropic",
"ipo",
"ai-companies",
"2027"
],
"venues_covered": [
"polymarket"
],
"market_count": 1,
"cumulative_volume_usd": 157756,
"resolution_clarity_grade": "C",
"rcg_score": 48,
"rcg_caps": [
"multi_source_no_conflict_rule",
"commitment_uncommitted_placeholder"
],
"resolution_source": null,
"resolution_source_url": null,
"source_status": "no_committed_source",
"source_of_record": null,
"resolution_source_list": [
{
"name": "official company announcements",
"url": null,
"provenance": "clearmarket_editorial"
},
{
"name": "credible news sources",
"url": null,
"provenance": "clearmarket_editorial"
},
{
"name": "consensus of credible reporting",
"url": null,
"provenance": "clearmarket_editorial"
}
],
"arbitration_model": "uma_oracle",
"proposer_model": "managed_whitelist",
"field_provenance": {
"question": {
"source": "clearmarket_editorial"
},
"tags": {
"source": "clearmarket_editorial",
"ai_drafted": true
},
"resolution_clarity_grade": {
"source": "derived",
"method": "rcg_v2_7factor"
},
"venues_covered": {
"source": "derived"
}
}
}