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OpenAI IPO Eyes September With a $300B Price Tag
OpenAI is charging toward a public offering that could value the company at more than $300 billion. The same organization that started as a nonprofit now wants a Wall Street listing. And if the timeline holds, it could happen before Halloween 2026.
Why This Is Happening Right Now
OpenAI completed its legal conversion from a nonprofit structure to a public benefit corporation in early 2026, clearing the biggest structural barrier to going public, according to Reuters. That move was years in the making and required sign-off from the California Attorney General’s office.
Once that hurdle cleared, the IPO machine kicked into gear. According to Bloomberg, OpenAI is in active discussions with underwriters about a September 2026 listing date, with a target valuation above $300 billion. Goldman Sachs and Morgan Stanley are both competing to lead the offering, according to The Wall Street Journal.
The company’s last private funding round valued it at $157 billion in late 2024, according to Reuters. That number has more than doubled in under 18 months. If you think that sounds like crypto market math, you’re not wrong.
The Contrarian Case Nobody Wants to Hear
Everyone I talk to thinks the OpenAI IPO is a guaranteed win. I disagree. I think it’s the most complicated bet on the board right now, and I’ll tell you why.
OpenAI burned through an estimated $5 billion in operating losses in 2024, according to The Information. The company makes real money, yes. ChatGPT crossed 400 million weekly active users in early 2025, according to OpenAI’s own public statements. Revenue hit roughly $3.7 billion in 2024 and is projected to reach $11.6 billion in 2025, according to Bloomberg.
That growth is real. But a $300 billion valuation means you’re paying roughly 26 times projected 2025 revenue. Microsoft trades at around 13 times revenue. You’re paying a massive premium for a company that still runs its infrastructure on Microsoft’s servers, faces active copyright lawsuits from publishers and authors, and operates in a market where Google, Meta, and dozens of well-funded startups are all fighting for the same customers.
I’ve watched this pattern before in crypto. When Bitcoin went mainstream in 2017 and again in 2021, retail investors piled in at the top of the hype cycle. They bought the story, not the fundamentals. A lot of them got hurt. The OpenAI IPO has that same energy right now. Everyone wants in. Nobody wants to ask hard questions about unit economics or compute costs.
But here’s what wealthy investors do differently. They don’t just buy the hype. They buy the infrastructure around the hype. When Bitcoin ran in 2021, the real money was in semiconductor companies, exchanges, and custodians. The OpenAI IPO could create that same setup for cloud providers, chip makers, and enterprise software companies that sit in the supply chain.
If you’re running a business right now and haven’t figured out how to cut operating costs with AI tools, you’re already behind your competitors. I know founders who’ve reduced overhead by 30% using smarter software stacks. And if you’re still on legacy payroll software, a modern platform like Gusto saves founders serious time and money on compliance alone.
What This Means for You
The OpenAI IPO will be available to retail investors through standard brokerage accounts once it lists. But I’d slow down before clicking “buy” on day one.
IPO pops are real. According to Renaissance Capital, the average IPO returned 27% in its first year of trading in 2023. But the best entry points often come 6 to 12 months after the initial listing, once the lockup period expires and early insiders start selling. That’s when real price discovery happens.
Here’s what I would do. Watch the S-1 filing when it drops. Look at three things: gross margins, the Microsoft dependency terms, and how they account for compute costs. If gross margins are above 60%, the premium might be worth it. If they’re below 50%, I don’t care how big the revenue number is. Walk away.
For crypto investors, this IPO is a signal worth reading carefully. The institutional money that flooded into Bitcoin ETFs in 2024 and 2025 is now looking at AI as the next major capital allocation. That doesn’t mean you should rotate out of crypto. It means capital is moving in a pattern you’ve seen before, and you should position your portfolio to benefit from both sides.
If you’re a business owner making investment decisions and want clean spending controls for your team, the Wallester business card platform lets you set limits and track every dollar in real time. Staying organized matters more when markets get loud and your team starts making moves.
The Bottom Line
A $300 billion OpenAI IPO is not proof that AI has won. It’s proof that Wall Street knows how to price a story before the numbers fully justify it. The September listing will create real winners. It’ll also create people who bought at the top of one of the biggest hype cycles since Bitcoin. I know which one I’d rather be. Do your homework before the bell rings.
Frequently Asked Questions
When is the OpenAI IPO expected to happen?
According to Bloomberg, OpenAI is targeting a September 2026 listing date, though that timeline could shift depending on market conditions and regulatory review. The company completed its nonprofit to public benefit corporation conversion in early 2026, which was the last major structural step before a public offering.
What will the OpenAI IPO valuation be?
Internal discussions reportedly put the target valuation above $300 billion, according to Bloomberg. That’s more than double the $157 billion valuation from OpenAI’s last private funding round in late 2024, according to Reuters.
Can retail investors buy OpenAI stock at the IPO?
Yes. Once OpenAI lists on a public exchange, retail investors can buy shares through any standard brokerage account. The question isn’t access. The question is whether the price on day one reflects fair value or peak narrative.
How does the OpenAI IPO compare to crypto as an investment?
Both carry high risk and are driven heavily by story and momentum. The key difference is that OpenAI has real revenue and enterprise contracts, while early crypto assets had neither. That said, the valuation math at $300 billion requires years of flawless execution to justify the price you’d be paying at listing.
What should investors look for in the OpenAI S-1 filing?
Focus on gross margins, compute cost structure, and the terms of the Microsoft infrastructure agreement. These three numbers will tell you more about OpenAI’s long-term profitability than any headline revenue figure. If the S-1 doesn’t clearly disclose all three, that itself is the answer.
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