Scan: Will OpenAI's valuation hit (LOW) $750B by December 31?

1. Planner Fable 5.1 · Fermi decomposition + tool plan

Tools chosen: polymarket_direct polymarket_related kalshi_related claude_news claude_news article_search gdelt_news earnings_data wikipedia

Sub-questions (Fermi decomposition)

What is the current NPM Price for OpenAI and what implied valuation does it correspond to, and how has it trended over the past 90 days?
What was OpenAI's most recent primary funding round or tender offer valuation, and are there reported negotiations for a new round at $750B or higher in 2026?
Is OpenAI planning an IPO or direct listing before December 31, 2026, and at what reported target valuation?
How does NPM compute its NPM Price (secondary trade prices, primary round marks, share count assumptions), and does it typically track or lag headline funding-round valuations?
What do adjacent Polymarket/Kalshi markets on OpenAI valuation thresholds ($600B, $1T, IPO timing) imply about the probability distribution of the year-end valuation?
What macro/AI-sector conditions (Nvidia/Microsoft/Anthropic valuations, AI capex sentiment) could support or undermine a ~50% valuation step-up during 2026?

Planner reasoning

The question hinges on whether Nasdaq Private Market's NPM Price for OpenAI reaches an implied valuation of $750B at any point before Dec 31, 2026. OpenAI's last primary round reportedly valued it at ~$500B (Oct 2025 secondary), with talk of raises at $750B-$830B+ and a possible IPO in late 2026/2027, so the key uncertainties are the current NPM Price level, whether new funding rounds or an IPO occur in 2026, and how NPM computes its price (secondary trades vs. primary rounds). Market price is the primary anchor; related Polymarket/Kalshi valuation-threshold markets give an implied distribution.

2. Research Parallel tool calls

tool	status	time	items	summary
polymarket_direct	OK	0.4s	1	## This Market's Polymarket Data Will OpenAI's valuation hit (LOW) $750B by December 31? - Current price (probability): 18.00% - 7-day price change: -3.00% - 30-day price change: -17.50% - Total volume: $119,310 (USD notional) - Price range: 18.00% - 54.50% - Data points: 90 days
polymarket_related	OK	1.6s	3	Scanned 100 active Polymarket markets, kept 3 matches. keyword 'OpenAI valuation': 0 markets \| keyword 'OpenAI IPO': 0 markets \| keyword 'OpenAI': 3 markets
kalshi_related	OK	1.4s	2	2 related markets / summaries. keyword 'OpenAI valuation': ok \| keyword 'OpenAI IPO': ok
claude_news	OK	21.1s	10	Based on research, here's what's known about OpenAI's valuation trajectory relevant to a $750B threshold by Dec 31, 2026: - March 31, 2026: OpenAI closed a $122 billion funding round at an $852 billion post-money valuation, anchored by Nvidia ($30B), SoftBank ($30B), and Amazon (up to $50B)
claude_news	OK	29.0s	17	## Findings NPM Price methodology: - The NPM Price is a proprietary, dynamic pricing methodology that estimates a private company's current price per share by integrating multiple sources of price discovery, drawing on primary financing rounds, executed secondary trades, bid and offer activity
article_search	FAILED	0.0s	0	tool unavailable (missing env var)
gdelt_news	OK	154.8s	20	GDELT: 20 articles across 3 queries (lookback=30d). 'OpenAI valuation': error GDELT rate-limited after retries (429) \| 'OpenAI IPO': 10 hits \| 'OpenAI funding round': 10 hits
earnings_data	OK	0.3s	2	Fetched FMP data for 2 ticker(s).
wikipedia	OK	0.2s	2	Fetched 2 Wikipedia entries (0 missing pages).

3. Evidence Brief Sonnet 5 · 6923 chars

# Current state OpenAI's valuation is measured via the Nasdaq Private Market (NPM) Price; resolution triggers YES if any published NPM mark (or post-IPO market cap) reaches/exceeds $750B before Dec 31, 2026. Per synthesized news reporting, OpenAI's valuation reportedly crossed $750B as early as March 2026 (via a primary funding round) and has stayed materially above it since (NPM implied ~$850–900B range through August–September 2026). No direct kalshi_direct market price was returned in research; the only quantitative market anchor available is a Polymarket price for this exact contract, which is unusually low (18%) and declining — a signal that conflicts sharply with the reported valuation trajectory. # Timeline of key events - 2025-03: OpenAI valued at $300B after $40B SoftBank-led round (confirmed, visualcapitalist.com). - 2025-10-02: Secondary tender values OpenAI at $500B ($6.6B share sale) (confirmed, CNBC). - 2026-03-31: OpenAI closes $122B primary round at $852B post-money valuation, led by Nvidia/SoftBank/Amazon (confirmed, multiple outlets — Wikipedia, tech-insider.org). - 2026-04-24: Forge Global secondary indications imply $880B (reported, techmarketbriefs.com). - 2026-05-28/29: Anthropic raises $65B at $965B, overtaking OpenAI; one analysis shows OpenAI's NPM-style mark drifted to ~$816B (~-4.2%) around this time (reported). - 2026-06-01/08: Anthropic and OpenAI both confidentially file for IPO; OpenAI targets >$1T valuation (reported, WSJ/NYT-sourced). - 2026-08-10/11: OpenAI completes $7B employee tender at flat $852B valuation (confirmed, CNBC/IBTimes). - 2026-08-19: NPM price for OpenAI reported at $713.08/share (reported, nasdaqprivatemarket.com), implying valuation still well above $750B given prior share-count context. - 2026-08-20: CFO Sarah Friar tells staff IPO base case is 2027, not late 2026 (reported, multiple outlets). - 2026-08-14 to 09-01: Reports of OpenAI executive exodus (CRO, others) amid IPO prep (reported). # Event Will OpenAI's private-market valuation (NPM Price) reach or exceed $750B on any date before Dec 31, 2026? # Outcomes to forecast Yes / No # Kalshi market anchor No kalshi_direct price was returned in research (tool output absent). Best available quantitative proxy: Polymarket price for this identical contract ticker = **18% YES**, down from a 90-day high of 54.5%, -3% (7d) and -17.5% (30d), thin volume (~$119K total). This price trend is a major anomaly relative to the underlying valuation narrative (see below) and should be treated with caution, not as confirmed consensus. # Sub-question answers 1. **Current NPM Price / trend** — NPM priced OpenAI shares at $713.08 on 2026-08-19; Forge's independent mark was $721.85 (as of 09/04/2026); a Polymarket resolution note cites $717.77 "supporting confidence near $900B." All three imply an aggregate valuation well above $750B (claude_news synthesis, nasdaqprivatemarket.com, forgeglobal.com). 2. **Latest funding round / new round talk** — $122B round closed 2026-03-31 at $852B post-money (Nvidia, SoftBank, Amazon); $7B employee tender in August 2026 at the same $852B mark. No reported new primary round at $750B+ needed since valuation is already reported above that level (tech-insider.org, CNBC). 3. **IPO plans** — Confidential S-1 filed 2026-06-08 targeting >$1T; CFO Sarah Friar (2026-08-20) signaled 2027 as base-case listing timing, not necessarily before Dec 31, 2026 (multiple reports). 4. **NPM methodology** — Blends primary rounds, secondary trades, bid/offer, 409A, and mutual-fund marks (Level 2 ASC 820-aligned); moves independently of headline rounds and can drift both up and down (e.g., a reported dip to $816B in late May 2026 from $852B) (nasdaqprivatemarket.com, medium.com/SOAR analysis). 5. **Adjacent markets** — Reported "~76% odds on $900B by Dec 2026" on a separate Polymarket market (thedefiant.io) is far more bullish than this contract's 18% price — a direct internal inconsistency. Kalshi-adjacent markets (OpenAI vs Anthropic IPO race, US stake in both) don't directly address valuation level. 6. **Macro/sector conditions** — AI funding remained aggressive through 2026 (Anthropic $965B, xAI $230B+, ~$300B VC into AI in Q1 2026); no sector-wide valuation collapse reported (Semafor, tradingkey.com). # Key facts (high-confidence, factual) 1. [Wikipedia/multiple] OpenAI closed a $852B post-money valuation round on 2026-03-31. 2. [CNBC] $7B employee tender completed August 2026 at same $852B valuation (flat, no markdown). 3. [nasdaqprivatemarket.com] NPM priced OpenAI at $713.08/share on 2026-08-19, implying valuation materially above $750B per multiple secondary sources. 4. [multiple] OpenAI filed confidentially for IPO 2026-06-08, targeting >$1T. # Cross-market signals - Polymarket (this exact contract): 18% YES, falling — inconsistent with valuation narrative. - Adjacent Polymarket ($900B threshold): reportedly ~76% YES — inconsistent with this contract's 18%, suggesting mispricing, staleness, or thin-liquidity noise here. - Kalshi: no direct comparable valuation-level market found; only IPO-race and stake-related markets, not informative on valuation magnitude. # Analyst opinions and speculation - Multiple outlets frame $852B (and NPM marks near $850-900B) as already exceeding $750B, treating the "LOW $750B" bar as effectively cleared months ago barring data corrections. - Some caution: NPM/secondary marks have dipped before (e.g., ~$816B in May 2026, a 4.2% pullback), showing volatility but no scenario reported of a drop below $750B. # Directional lean per outcome - **Yes**: Strong support — reported primary round ($852B), flat tender ($852B), and NPM per-share marks implying $850–900B valuation, all before Sept 2026, comfortably clear $750B threshold if published NPM data reflects this. - **No**: Weak support — only the anomalous 18% Polymarket price for this exact contract; no substantive fundamental evidence of valuation falling below $750B is reported anywhere. # Gaps / unknowns - No kalshi_direct price was retrieved for this specific ticker — true current Kalshi consensus unknown. - Direct NPM aggregate valuation (not just per-share price) and OpenAI's exact fully-diluted share count are not confirmed in research, so precise $-valuation from the $713-722/share marks can't be verified independently. - Reason for stark divergence between this contract's 18% price and the reported $850B+ valuation narrative is unexplained (possible stale/thin/mispriced market, or resolution-source technicality). # Calibration anchors - Direct market anchor: Polymarket 18% YES for this ticker (unusual, conflicts with fundamentals — treat cautiously). - Adjacent Polymarket $900B threshold ~76% YES — more consistent with reported fundamentals. - Precedent: OpenAI valuation has only risen (in reported terms) since March 2025 ($300B→$500B→$852B), with any dips (e.g., to $816B) still far above $750B.

4. Forecasters Fable 5.1 + GPT-5.6 Sol · in parallel

claude-fable-5-1

50% conf

Yes	87%
No	13%

Fundamentals strongly favor Yes: OpenAI reportedly closed a $122B primary round at ~$852B post-money in March 2026 (consistent with earlier reporting of a ~$730B pre-money round with Amazon/Nvidia/SoftBank), completed a flat $7B employee tender at $852B in August 2026, and NPM/Forge per-share marks ($713–722) are described as implying ~$850–900B — all comfortably above the $750B 'LOW' threshold, and the market resolves on any published NPM mark reaching that level. The only contrary signal is a thin-liquidity Polymarket price of 18% that is internally inconsistent with a ~76% adjacent price for a $900B threshold, suggesting misattribution, staleness, or a different resolution source rather than genuine consensus; no Kalshi-direct price was available to anchor on. I hold back from 0.95+ because the exact NPM aggregate valuation/share-count mapping is unverified, the post-cutoff reporting in the brief cannot be independently confirmed, and NPM marks can drift with secondary trading.

gpt-5.6-sol

91% conf

Yes	98%
No	2%

The March 2026 primary round reportedly valued OpenAI at $852B, so the $750B threshold appears to have already been crossed. The August employee tender repeated the $852B valuation, while contemporaneous NPM and Forge marks reportedly implied valuations still comfortably above $750B. IPO timing is immaterial because a qualifying private-market mark already appears documented, and strong AI-sector funding provides no evidence of a reversal. The only contrary anchor is the thinly traded 18% YES Polymarket price, which conflicts with both the documented transactions and an adjacent $900B market near 76% YES, suggesting a resolution technicality or market anomaly rather than fundamental information.

5. Devil's Advocate Sonnet 5 · red-team critique

Both forecasters dismiss the 18% Polymarket price as "anomalous" or "stale" but neither seriously entertains the alternative explanation offered in the brief itself—"resolution-source technicality"—which could mean this specific contract has a narrower/different resolution criterion (e.g., requiring a *new* qualifying event or specific NPM data feed) than the fundamentals narrative assumes; if so, the 18% price could be informative rather than noise, and both forecasts under-weight this possibility.

Forecast 2's 0.975 is overconfident given the brief explicitly flags unresolved gaps: "Direct NPM aggregate valuation... and OpenAI's exact fully-diluted share count are not confirmed," meaning the core evidentiary chain (share price → aggregate valuation) is inferential, not verified—this warrants more hedging than either forecaster applies, especially Forecast 2 which barely acknowledges the gap.

Neither forecast grapples with the sharp inconsistency between the two Polymarket-cited numbers (76% for $900B vs 18% for $750B, a lower and thus easier-to-clear bar) as a signal that could reflect *outcome-specific* mispricing rather than blanket dismissal—if that inconsistency reflects real information (e.g., a technical resolution nuance specific to the $750B "LOW" contract), a probability near 0.87–0.975 could be too high.

Both forecasts treat "confidence" scores oddly—Forecast 1 reports confidence=0.50 while assigning Yes=0.87, an internal inconsistency in how confidence maps to the probability itself, and neither forecaster explains what "confidence" is separately conveying beyond the stated probability.

Neither forecast explicitly considers the report of CFO Sarah Friar signaling 2027 IPO base case, executive exodus (CRO departures), or potential AI-sector correction risk in Q4 2026 as tail scenarios that could cause a downward NPM revision before Dec 31—these are mentioned in the brief timeline but not factored into the "No" case beyond vague appeals to "no evidence of reversal."

Both forecasts anchor heavily on the reported $852B primary-round valuation as if it directly satisfies "any published NPM mark," but the brief's event definition specifies NPM Price (or post-IPO market cap) specifically—neither forecaster interrogates whether a primary funding round valuation counts as a "published NPM mark" under the actual resolution criteria, which is a definitional gap that could materially affect resolution.

6. Aggregator Fable 5.1 · final calibrated forecast

62% (70% confidence)

Yes: 62% No: 38%

On the brief's stated resolution rule (any NPM mark reaching/exceeding $750B), the case for Yes is very strong: a $852B primary round, a flat $852B tender, and NPM/Forge per-share marks reportedly implying ~$850–900B all clear the bar. However, the critique's resolution-technicality point deserves real weight: the only market price for this exact contract is 18% and has fallen from 54.5% over 90 days even as the valuation narrative strengthened, while an adjacent $900B threshold trades near 76% — a pattern far more consistent with the '(LOW) $750B' label denoting a lowest bucket (valuation at/below $750B) than with a reach-or-exceed contract that should be near 99%. Both forecasters dismissed this as noise without considering that the label itself may define a different resolution criterion. I therefore blend the two interpretations: high Yes under the brief's reading, low Yes under the bucket reading, landing well above the market anchor but far below the forecasters' 0.87–0.975.

Pipeline Timing

Total pipeline time: 315.8s

Per-tool research timings shown in the Research section above.