OpenAI has stated no IPO plans and remains focused on private funding rounds, making a public listing before year-end 2026 highly unlikely.
The question of whether OpenAI will forgo a public listing this year hardened this month as the company disclosed a $40 billion annualized run rate even while two senior executives departed within a single week. Polymarket pricing puts the odds of an OpenAI IPO by December 31, 2026 at 19%, implying an 81% probability of no listing by year-end — a reading that barely moved on the executive exits. The muted response is consistent with thin liquidity rather than conviction of internal fracture; had traders read the departures as a structural signal, the "openai not ipo" odds would have shifted more sharply. For a firm doubling revenue, the exits registered as noise, not a fundamentals repricing. [247 Wall St., Aug 14]
The timeline context reinforces the "openai not ipo" base case for 2026. OpenAI has reportedly delayed its offering to next year, citing volatile market conditions, while its bankers — Goldman Sachs, Morgan Stanley, and JPMorgan — frame a late-2026 or 2027 listing window. Rival Anthropic moved first, filing a draft Form S-1 with the SEC on June 1 and beginning investor meetings in July 2026, yet even its near-term odds have declined, with only a 2% probability priced for a September debut. That deceleration across both leaders signals that macro conditions, not company-specific readiness, are the binding constraint. [Scanx, Aug 17]
What matters next is capital competition. The two offerings would draw on the same pool of institutional demand, and their relative timing could depress appetite for whichever prices second. Anthropic's bankers are valuing it against a $190–$200 billion revenue forecast for 2028, despite skepticism about sustaining a $2 trillion valuation. With OpenAI's syndicate still in preparation and no S-1 on file, the mechanical path to a completed listing before December 31 narrows with each passing month, keeping the year-end outcome weighted toward no debut. [Startuphub, Jul 16]
Polymarket prices this at 82c YES with $453K in volume. Moderate liquidity — use limit orders for positions above $1K to avoid moving the price.
What does smart money think? Get AI verdicts, wallet positioning, signal analysis, and entry targets.
Unlock PRO — $29/mo5/5 models agree on YES, fair value 89c vs market 82c. BUY YES at 82c — models see 7c of upside.
| Model | Says | Fair Value estimated fair price | Confidence |
|---|---|---|---|
| MATH PIN Model | YES | 98c | — |
| AI DeepSeek Quant | YES | 85c | 62% |
| AI Grok Contrarian | YES | 88c | 65% |
| AI Gemini Flash | YES | 90c | 85% |
| AI Kimi Macro | YES | 82c | 90% |
5 of 5 models estimate YES fair value above market (82–98c vs 82c). Kimi Macro leads with 90% confidence.
Models estimate fair value of YES at 89c — market prices it at 82c. 7-point gap supports YES.
We tracked 1 wallet with positions above $1K on this market. YES wallets entered between 79c.
| Wallet | Category | Side | Amount | P&L | |
|---|---|---|---|---|---|
| 0x5188..04 | MM | YES | $2.2K | +4% |
YES wallets entered between 79c. At current price 82c, all YES holders are profitable while all NO buyers are underwater. Profitable positions rarely sell early — YES side has structural price support.
Polymarket prices YES at 82c with $453K in total volume. Our model estimates fair value at 89c. 7-point gap suggests market may undervalue YES.
| Platform | YES Price | Volume |
|---|---|---|
| Polymarket | 82c | $453K |
| Our Model | 89c | — |