Goldman Sachs holds a narrow edge over Morgan Stanley in the lead bank market for OpenAI’s eventual IPO because both firms have served as primary bookrunners since the company’s confidential S-1 filing in June 2026 and its ongoing $30 billion bridge round. Recent precedent from Anthropic’s October 26 S-1, which formally named Goldman lead left and Morgan Stanley stabilization agent, has reinforced trader consensus around Goldman’s allocation influence in large AI listings. The 45.5%–39.5% implied probabilities reflect this tight competition, with limited roles for other banks in supporting capacities. Key swing factors include OpenAI’s next regulatory disclosures and any shifts in lead-left designation ahead of a 2027 listing.
本市场将根据在 OpenAI 首次公开募股中担任主承销商的银行进行结算。 如果截至 2027年12月31日, 23:59 ET 未进行 IPO,或者 OpenAI 完成首次公开募股时未指定主承销商,本市场将结算为“其他”。 如果有多家银行被认定为主承销商,本市场将根据主要的主承销商进行结算。如果它们之间的层级关系不明确,本市场将在能够确凿确定哪家银行是主要主承销商后进行结算;例如,可根据 OpenAI 最终首次公开募股招股说明书发布后,其承销部分中列出各银行的顺序来判定。 本市场结算的主要依据将是 OpenAI 的官方披露。也可以采用可信报道形成的共识。
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