Goldman Sachs holds a commanding 75.5% implied probability of serving as lead-left underwriter for OpenAI’s IPO because of its dominant position in recent technology listings, including the lead role on the SpaceX offering, and longstanding advisory ties to high-growth artificial-intelligence companies. Market participants view the bank’s tech coverage and equity capital markets teams as best positioned to manage the massive deal amid OpenAI’s confidential filing preparations that began in May. Morgan Stanley, at 22.5%, remains the clear alternative after being named joint lead on Anthropic’s IPO and co-working with Goldman on OpenAI’s prospectus drafts, yet lacks the same recent “lead left” momentum. Other banks trail at under 2% because they have not been reported in the core underwriting discussions. Separate deal teams at both top banks now handle the rival OpenAI and Anthropic transactions to manage conflicts, underscoring the high stakes and limited field of credible candidates.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · AggiornatoLead Bank in OpenAI's IPO?
Goldman Sachs 76%
Morgan Stanley 23%
UBS 1.6%
Bank of America 1.0%
$42,650 Vol.
$42,650 Vol.

Goldman Sachs
76%

Morgan Stanley
23%

UBS
2%

Bank of America
1%

JPMorgan
<1%

Wells Fargo
<1%

Citigroup
<1%

Barclays
<1%

Deutsche Bank
<1%
Goldman Sachs 76%
Morgan Stanley 23%
UBS 1.6%
Bank of America 1.0%
$42,650 Vol.
$42,650 Vol.

Goldman Sachs
76%

Morgan Stanley
23%

UBS
2%

Bank of America
1%

JPMorgan
<1%

Wells Fargo
<1%

Citigroup
<1%

Barclays
<1%

Deutsche Bank
<1%
If no IPO occurs by December 31, 2027, 11:59 PM ET, or OpenAI completes an initial public offering without a designated lead underwriter, this market will resolve to “Other.”
If multiple banks are identified as lead underwriters, this market will resolve according to the primary lead underwriter. If the hierarchy between them is unclear, this market will resolve once it is conclusively evident which bank is the primary lead underwriter, for example, through the order in which the banks are listed in the underwriting section of OpenAI's final initial public offering prospectus, once released.
The primary resolution source for this market will be official disclosures from OpenAI. A consensus of credible reporting may also be used.
Mercato aperto: May 21, 2026, 12:17 PM ET
Resolver
0x69c47De9D...If no IPO occurs by December 31, 2027, 11:59 PM ET, or OpenAI completes an initial public offering without a designated lead underwriter, this market will resolve to “Other.”
If multiple banks are identified as lead underwriters, this market will resolve according to the primary lead underwriter. If the hierarchy between them is unclear, this market will resolve once it is conclusively evident which bank is the primary lead underwriter, for example, through the order in which the banks are listed in the underwriting section of OpenAI's final initial public offering prospectus, once released.
The primary resolution source for this market will be official disclosures from OpenAI. A consensus of credible reporting may also be used.
Resolver
0x69c47De9D...Goldman Sachs holds a commanding 75.5% implied probability of serving as lead-left underwriter for OpenAI’s IPO because of its dominant position in recent technology listings, including the lead role on the SpaceX offering, and longstanding advisory ties to high-growth artificial-intelligence companies. Market participants view the bank’s tech coverage and equity capital markets teams as best positioned to manage the massive deal amid OpenAI’s confidential filing preparations that began in May. Morgan Stanley, at 22.5%, remains the clear alternative after being named joint lead on Anthropic’s IPO and co-working with Goldman on OpenAI’s prospectus drafts, yet lacks the same recent “lead left” momentum. Other banks trail at under 2% because they have not been reported in the core underwriting discussions. Separate deal teams at both top banks now handle the rival OpenAI and Anthropic transactions to manage conflicts, underscoring the high stakes and limited field of credible candidates.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato

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