As of October 24, 2026, 09:01 PM ET, Polymarket traders price Anthropic at 54.5% in OpenAI vs. Anthropic: First to announce recursive self-improvement? — $2.0K traded so far.
The leading outcome, Anthropic, is priced at 54.5%.
Price changes for the leading market — 24 hours: -2.0 pts; past week: +2.0 pts; past month: -14.0 pts.
Since September 18, 2026, Anthropic has traded between 40.0% and 60.5%. It opened at 44.5% and last traded at 54.5%.
| Day | Close |
|---|---|
| Oct 16, 2026 | 56.5% |
| Oct 18, 2026 | 56.5% |
| Oct 19, 2026 | 56.5% |
| Oct 20, 2026 | 56.0% |
| Oct 23, 2026 | 52.5% |
| Oct 24, 2026 | 54.5% |
| Oct 24, 2026 | 54.5% |
Anthropic is favored at 54.5%.
| Outcome | Price | Implied probability | 24h change | Volume | Volume share |
|---|---|---|---|---|---|
| Anthropic | 55¢ | 54.5% | +2.0 pts | $2.0K | 100.0% |
| OpenAI | 46¢ | 45.5% | -2.0 pts | $2.0K | 100.0% |
See the full live book for this market on Polymarket
The leading market's spread is 3¢ (bid 44¢ / ask 47¢) — a tighter spread means cheaper round-trip trading.
$2.0K has been traded on this event in total, $346 of it in the last 24 hours, across 1 market.
This market is scheduled to end December 31, 2027, 11:59 PM ET.
This market will resolve to "OpenAI" if OpenAI, or an official representative of OpenAI, announces that OpenAI has achieved recursive self-improvement before Anthropic does so. This market will resolve to "Anthropic" if Anthropic, or an official representative of Anthropic, announces that Anthropic has achieved recursive self-improvement before OpenAI does so. If neither company makes a qualifying announcement by December 31, 2027, 11:59 PM ET, or if both make qualifying announcements on the same calendar day, this market will resolve 50-50. A qualifying announcement by any other company does not end the race or affect resolution. Recursive self-improvement means a capability, as described in the company's announcement, in which the company's AI autonomously conducts the research and development needed to materially improve the general capabilities of its most capable or near-frontier AI systems, or to produce a more capable successor, with the improved system able to drive further such improvements. Humans may set high-level goals and provide resources, oversight, and approval, but must not supply the substantive research choices or the technical solution. Improvements that are toy, narrow, sandboxed, proof-of-concept, or limited to prompts, skills, or benchmark scores will not qualify. … (condensed)
The largest current holder of the leading market holds 100 shares of Anthropic.
| Holder | Outcome held | Shares | Value at current price |
|---|---|---|---|
| Tangible-Exasperation-Grit | Anthropic | 100 | $55 |
| Belated-Glue | OpenAI | 81 | $37 |
| Blushing-Audit-Position | OpenAI | 31 | $14 |
| Ajar-Sportsman | OpenAI | 30 | $14 |
| Scary-Neck-Vascular | Anthropic | 24 | $13 |
| Untimely-Mood | Anthropic | 23 | $13 |
| Required-Horn | OpenAI | 20 | $9 |
| Composed-Length | Anthropic | 10 | $5 |
| Flashy-Aunt | Anthropic | 7 | $4 |
| x26 | Anthropic | 6 | $3 |
| Time | Outcome | Side | Price | Size |
|---|---|---|---|---|
| Oct 24, 06:32 PM ET | OpenAI | SELL | 44.0% | $0 |
| Oct 24, 05:29 PM ET | Anthropic | BUY | 53.0% | $16 |
| Oct 24, 12:41 PM ET | OpenAI | BUY | 49.0% | $5 |
| Oct 24, 11:30 AM ET | OpenAI | SELL | 50.0% | $10 |
| Oct 24, 11:30 AM ET | Anthropic | BUY | 49.0% | $10 |
| Oct 24, 11:30 AM ET | Anthropic | BUY | 50.0% | $10 |
| Oct 24, 11:08 AM ET | Anthropic | BUY | 48.0% | $26 |
| Oct 24, 11:08 AM ET | Anthropic | SELL | 53.3% | $24 |
| Oct 24, 11:07 AM ET | OpenAI | BUY | 47.0% | $2 |
| Oct 24, 11:07 AM ET | OpenAI | BUY | 47.0% | $9 |
As of October 24, 2026, 08:45 PM ET, the leading outcome is Anthropic at 54.5%. Next is OpenAI at 45.5%. See the live book on Polymarket: https://polymarket.com/event/openai-vs-anthropic-first-to-announce-recursive-self-improvement?via=bro
$2.0K in total volume, with $346 traded in the last 24 hours across 1 markets.
The market is scheduled to end December 31, 2027, 11:59 PM ET.
Anthropic, priced at 54.5% as of October 24, 2026, 08:45 PM ET. Prices are implied probabilities backed by real-money trading.
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