Capital Wealth
TUE CLOSE · SEP 15   S&P 500 7,585.73 ▼0.45%  ·  DJIA 52,093.11 ▼0.63%  ·  NASDAQ 25,981.02 ▼0.80%  ·  10-YR 4.995%  ·  2-YR 4.661%  ·  WTI $105.83 ▲4.4%  ·  BRENT $108.75 ▲2.9%  ·  GOLD $4,291.60 ▼0.4%
Markets & The Fed · The AI Trade

OpenAI Is Talking About a $1.2 Trillion Valuation. In March It Was $852 Billion.

A 41% markup in six months, ahead of an initial public offering expected next year — and against new pressure from Chinese models that cost a fraction as much to run.

By Sean Anees Saifi · Capital Wealth · Published Wednesday, September 16, 2026 · Source: The Wall Street Journal, September 16, 2026 edition, plus Tuesday’s market close as the paper printed it
Key Points
$1.2T
the valuation under discussion
$852B
the March mark, six months ago
+41%
the implied markup in half a year
2027
when the IPO is expected
A large blue neon wire-frame sculpture of a brain suspended in a glass atrium, one person walking past below.
OpenAI was valued at $852 billion in March after a $122 billion financing. The new discussions would precede an IPO expected next year.
In one line: A private valuation is a negotiated number, not a price. The interesting question isn’t whether $1.2 trillion is right — it’s who ends up holding it when it becomes a traded one.

OpenAI has held early discussions with investors about a new funding round that could value it at more than $1.2 trillion, following the release of its latest model.

For scale: the company was valued at $852 billion in March, after completing a $122 billion financing from investors including Amazon.com (AMZN), Nvidia (NVDA) and SoftBank. That is a markup of roughly 41% in six months.

If completed, the round would precede the company’s highly anticipated initial public offering, expected next year.

What a private valuation is, and isn’t

This distinction is worth more to a household investor than any view on artificial intelligence.

A private valuation is the price agreed between a company and a small number of investors, usually for a slice of preferred stock carrying protections that common shareholders never get — liquidation preferences, ratchets, board rights. It is a negotiated number attached to a specific structure. Multiplying it by the share count produces a headline, not a market price.

A public price is different in the way that matters: anyone can sell it. The whole point of an IPO is the moment when a negotiated number meets people who are allowed to disagree.

This is not scepticism about the business. It is a description of how the number is made.

The competitive detail

One line in the Journal’s report deserves attention: the company is in a tight race with Anthropic and has recently faced new competitive pressure from a crop of lower-cost Chinese open-weight models.

That is the pressure that shows up in margins rather than in headlines. Open-weight models can be downloaded and run by anyone, which puts a ceiling on what the same capability can be charged for. Elsewhere in this week’s coverage, the chief investment officer at Hennessy Funds asked the question that follows: “How is all this going to be monetized?”

Why this is in a planning letter at all

Because two of the largest private companies in the world are expected to list next year, and the marketing for those listings has already begun.

The pattern with the most anticipated offerings is well worn: enormous early demand, a first-day price that reflects scarcity rather than valuation, and a subsequent period during which the business has to grow into the number. Retail investors typically get access at the point where the scarcity is highest and the information is thinnest.

None of which says anything about whether the company will be a good investment. It says something about when an ordinary saver is invited in, and on what terms.

The unglamorous alternative — owning the platforms already spending the money, through positions that can be sold on any Tuesday — is how the build-out is held here, and the reasoning is the same as it was a month ago.

What It Means For Your Portfolio

Avoid — buying a hotly anticipated listing at the listing

A private valuation is a negotiated number attached to preferred stock with protections common shareholders never get. An IPO is the moment that number meets people allowed to disagree.

General planning principles, not advice for anyone in particular, and nothing here is a view on the merits of any company. The structural point is about access and timing: retail investors are typically invited into the most anticipated listings at the moment scarcity is highest and disclosure is newest, which is the least favourable combination available.

The AI exposure in the portfolios is held through listed platforms and grid builders that can be bought and sold on any ordinary day — Microsoft (MSFT), Alphabet (GOOGL), Meta Platforms (META), GE Vernova (GEV), Quanta Services (PWR) — with Nvidia (NVDA) and Micron (MU) held at weight rather than added to. Buying a headline listing at the listing stays on the avoid list, as it has since the letter was published.

Book a 15-Minute Review → Back to Edition No. 171 →