OpenAI's recent preparations for a confidential IPO filing, reported in mid-May 2026, represent the main catalyst shifting trader sentiment toward a potential late-2026 debut. The company, working with Goldman Sachs and Morgan Stanley, is drafting prospectus materials that could reach regulators imminently, with CEO Sam Altman targeting a public listing as early as September. This follows strong 2025 revenue growth exceeding $13 billion alongside heavy infrastructure spending, a post-trial victory against Elon Musk, and a private valuation near $850 billion. Competitive pressure from Anthropic's parallel timeline and the need to complete a major pre-IPO round add uncertainty, while market conditions and any regulatory review could still influence the exact window.
基於Polymarket數據的AI實驗性摘要。這不是交易建議,也不影響該市場的結算方式。 · 更新於Market speculation grows on OpenAI IPO timing amid Anthropic filing
December 31, 2026 jumps to 46%7%
Following Anthropic's IPO filing, market speculation increased about OpenAI's IPO timing, with traders adjusting expectations and prices reflecting uncertainty but continued confidence in a late 2026 IPO.
Anthropic confidentially files for IPO, intensifying AI IPO competition
Anthropic, a key AI competitor, confidentially filed for a U.S. IPO, signaling a late 2026 public debut. This increased competitive pressure on OpenAI to proceed with its own IPO, reinforcing market expectations for a Q4 2026 listing.
Rival AI Giant Anthropic Confidentially Files for U.S. IPO
September 30, 2026 jumps to 43%5%
Anthropic filed its own confidential IPO paperwork, intensifying the race for public capital and keeping pressure on OpenAI's late 2026 timeline, which caused fluctuations in the September 30, 2026 option.
Market analysis highlights OpenAI's financial challenges ahead of IPO
December 31, 2026 jumps to 76%6%
By late May 2026, analysts highlighted OpenAI's significant financial losses and a $207 billion funding gap through 2030, raising concerns about IPO timing and valuation. This analysis contributed to market volatility and skepticism about earlier IPO dates.
OpenAI launches $4 billion OpenAI Deployment Company to accelerate enterprise AI adoption
December 31, 2026 surges to 75%47%
OpenAI announced the launch of a new $4 billion subsidiary to help organizations deploy AI systems, signaling strategic expansion and operational scaling ahead of its IPO, positively influencing market sentiment about the company's growth prospects.
OpenAI confidentially files S-1 IPO prospectus with SEC
December 31, 2026 surges to 72%43%
OpenAI officially confidentially filed its S-1 IPO prospectus with the SEC, confirming preparations for a public listing targeted for Q4 2026. This filing intensified market confidence in a late 2026 IPO, boosting the December 31, 2026 outcome price significantly.
OpenAI confidentially files S-1 IPO prospectus targeting Q4 2026 debut
September 30, 2026 surges to 44%17%
OpenAI confidentially filed its S-1 IPO prospectus with the SEC, aiming for a Q4 2026 public listing with a valuation between $852 billion and $1 trillion. The filing marked a significant step toward the IPO but revealed ongoing financial losses and the possibility of a delayed public debut if SEC review raises issues.
Reports of OpenAI confidential IPO filing imminent
December 31, 2026 surges to 74%47%
Reports surfaced that OpenAI was preparing to confidentially file its IPO prospectus, with filings possibly as soon as that week. This news caused a sharp increase in market confidence for IPO dates in late 2026, especially December 31, 2026, as traders anticipated a public offering soon.
OpenAI aims for speedy IPO filing soon, targeting September debut
December 31, 2026 dips to 35%4%
Sources confirmed OpenAI's plan to file a draft IPO prospectus soon, aiming for a September public debut, intensifying market expectations and competitive positioning against rivals like Anthropic and SpaceX.
OpenAI Prepares to Confidentially File for IPO Targeting September Debut
December 31, 2026 surges to 72%44%
Reports emerged from major news outlets that OpenAI was working with Goldman Sachs and Morgan Stanley to file a confidential IPO prospectus, aiming for a public debut as early as September 2026.
OpenAI prepares to confidentially file IPO prospectus, targeting September debut
Multiple sources including CNBC, Reuters, and The New York Times reported OpenAI was preparing to confidentially file its IPO prospectus imminently, aiming for a public debut in September 2026 with Goldman Sachs and Morgan Stanley as lead underwriters.
OpenAI prepares confidential IPO filing, targeting September debut
December 31, 2026 surges to 72%44%
Multiple credible sources reported that OpenAI was preparing to confidentially file for an IPO imminently, with Goldman Sachs and Morgan Stanley advising. The company aimed for a September 2026 public debut, which shifted market expectations away from earlier IPO dates, causing price declines for those outcomes and a rise for the December 31, 2026 outcome.
OpenAI Prepares Confidential IPO Filing Targeting September Debut
August 31, 2026 plunges to 13%33%
Reports emerged that OpenAI was working with Goldman Sachs and Morgan Stanley to prepare a confidential draft prospectus for an IPO as early as September 2026. This news made earlier summer timelines highly unlikely, causing July and August options to collapse.
SpaceX files public IPO prospectus, intensifying AI IPO race
December 31, 2026 surges to 72%42%
SpaceX publicly filed its IPO prospectus, disclosing financials and targeting a June 12 Nasdaq debut. This event heightened market focus on AI-related IPOs, including OpenAI's, influencing timing expectations and competitive positioning in the market.
Federal jury dismisses Elon Musk's lawsuit against OpenAI
December 31, 2026 surges to 72%44%
A federal jury in Oakland dismissed Elon Musk's lawsuit against OpenAI and its leadership, removing a significant legal obstacle and reducing uncertainty around OpenAI's IPO plans. This legal clarity improved market sentiment, particularly for longer-term IPO dates.
Congressional investigation and employee secondary sales raise IPO risks
December 31, 2026 drops to 27%5%
Reports emerged of a formal Congressional investigation into CEO Sam Altman's investments and $6.6 billion in employee secondary share sales, increasing regulatory and governance risks ahead of the IPO. This contributed to further market price declines.
OpenAI launches $4 billion deployment company to aid enterprise AI adoption
OpenAI announced the creation of the OpenAI Deployment Company with a $4 billion initial investment and acquisition of AI consulting firm Tomoro. This move emphasized enterprise focus but did not advance IPO timing, reflecting ongoing operational expansion.
OpenAI forms OpenAI Deployment Company and acquires Tomoro
December 31, 2026 dips to 27%4%
In May, OpenAI launched a new joint venture with $4 billion investment and acquired Tomoro to scale AI deployment, signaling readiness for enterprise expansion and supporting expectations for a late 2026 IPO.
OpenAI launches $4 billion AI deployment company and acquires Tomoro
OpenAI announced the launch of a new AI deployment company backed by $4 billion in capital and acquired AI consulting firm Tomoro to scale AI deployment capabilities. This strategic move signaled operational readiness and enterprise expansion, supporting expectations for a late 2026 IPO.
Market skepticism grows over OpenAI IPO timing amid rival Anthropic's progress
December 31, 2026 dips to 26%1%
Market sentiment turned more cautious as rival Anthropic pursued its own IPO plans for late 2026, and OpenAI's lack of filing fueled doubts about a 2026 IPO, reflected in declining market prices for June and December 2026 outcomes.
No IPO filing or date announced despite strong revenue and funding
June 30, 2026 dips to 1%2%
As of early May 2026, OpenAI had not filed an S-1 or announced an IPO date, despite generating $25 billion annualized revenue and preparing bankers, causing market confidence in a mid-2026 IPO to decline sharply.
No confirmed IPO date as OpenAI focuses on private funding and growth
June 30, 2026 dips to 2%1%
As of early May 2026, OpenAI had not filed for an IPO or announced a date, continuing to raise private capital and grow revenues, leading to a sharp decline in market confidence for a June 30, 2026 IPO.
OpenAI has no public S-1 filing or confirmed IPO date as of early May 2026
June 30, 2026 dips to 1%1%
Despite strong revenue and funding, OpenAI had not filed an S-1 registration statement or announced an IPO date by early May 2026, signaling delays and uncertainty about the IPO timeline, which depressed market prices.
OpenAI faces competitive and financial hurdles ahead of IPO
December 31, 2026 dips to 28%1%
An analysis highlighted mounting financial and competitive challenges for OpenAI as it prepares for its IPO, including intense rivalry with Anthropic and the need for substantial capital investment. This tempered investor enthusiasm, contributing to a decline in the market's probability pricing for a 2026 IPO.
OpenAI and Microsoft cap revenue share payments amid partnership strain
December 31, 2026 dips to 30%2%
OpenAI and Microsoft agreed to cap revenue share payments through 2030, indicating some strain in their partnership. This development raised questions about OpenAI's financial strategy ahead of an IPO, contributing to market caution.
Microsoft and OpenAI amend partnership to remove exclusive cloud terms
December 31, 2026 drops to 26%10%
The companies updated their partnership, allowing OpenAI to serve products across any cloud provider and restructuring revenue-sharing mechanics, making OpenAI easier to value as a standalone business.
Reports confirm OpenAI plans Q4 2026 IPO amid $852B valuation
December 31, 2026 dips to 30%3%
Multiple financial news outlets reported that OpenAI is preparing for a blockbuster IPO in the fourth quarter of 2026, targeting a valuation near $1 trillion. Despite strong revenue growth and major bank advisors, no official IPO filing had been made, leading to cautious market sentiment and a slight price decline.
OpenAI converts to public benefit corporation, removing IPO structural barriers
December 31, 2026 rises to 37%2%
In April 2026, OpenAI's conversion to a public benefit corporation eliminated nonprofit-related IPO obstacles, signaling readiness for public markets and supporting expectations for a late 2026 IPO.
OpenAI CFO signals IPO filing targeted for second half of 2026
December 31, 2026 dips to 36%1%
OpenAI's CFO Sarah Friar communicated internally that the company aims to file regulatory paperwork for an IPO in the second half of 2026, with a potential public listing in 2027. This announcement reinforced market anticipation but also suggested the IPO might slip beyond 2026, contributing to price stabilization and slight declines.
OpenAI CFO Sarah Friar discusses compute constraints and Microsoft partnership
December 31, 2026 drops to 33%5%
In an interview, CFO Sarah Friar highlighted ongoing challenges and strategic partnerships, emphasizing that an IPO was not the company's current focus, which tempered market expectations for a near-term IPO.
OpenAI CFO Sarah Friar signals IPO delay concerns amid financial scrutiny
December 31, 2026 drops to 32%11%
CFO Sarah Friar expressed concerns about OpenAI's readiness for a 2026 IPO, citing cash burn and revenue trajectory issues. Her caution contrasted with CEO Sam Altman's push for a 2026 listing, causing market uncertainty and price declines.
OpenAI CFO announces allocation of IPO shares to retail investors
December 31, 2026 drops to 32%5%
CFO Sarah Friar stated OpenAI will reserve a portion of IPO shares for retail investors, signaling preparation for a public offering. However, she did not confirm a timeline, reflecting ongoing uncertainty about the IPO date.
IPO market conditions remain challenging despite OpenAI's IPO plans
June 30, 2026 dips to 3%3%
Despite OpenAI's anticipated IPO, the broader IPO market in early 2026 was slower than expected, with selective exits and some delays, contributing to a decline in market confidence for a June 30, 2026 IPO.
OpenAI converts to public benefit corporation, removing IPO structural barriers
December 31, 2026 rises to 36%1%
OpenAI's April 2026 conversion to a public benefit corporation removed nonprofit-related barriers to going public, facilitating a traditional IPO. This structural change was a key step toward a potential late 2026 IPO.
SpaceX files confidential S-1, intensifying 2026 mega-IPO pipeline
December 31, 2026 dips to 35%3%
SpaceX's confidential S-1 filing and planned June 2026 roadshow highlighted the competitive IPO environment, indirectly affecting OpenAI's market by increasing pressure and investor focus on mega tech IPOs in 2026.
OpenAI converts to public benefit corporation, removing IPO structural barriers
In April 2026, OpenAI changed its corporate status to a public benefit corporation, eliminating nonprofit-related restrictions that previously hindered a public offering. This structural change was a critical step enabling the company to pursue an IPO, positively influencing market expectations for a late 2026 listing.
OpenAI closes record $122 billion funding round at $852 billion valuation
December 31, 2026 drops to 40%9%
OpenAI raised $122 billion in the largest private funding round in Silicon Valley history, pushing valuation to $852 billion. This massive capital infusion increased runway but also suggested the IPO might be delayed as the company secured private funding.
OpenAI announces $122 billion funding round at $852 billion valuation
December 31, 2026 dips to 36%4%
OpenAI disclosed a massive $122 billion funding round with an $852 billion post-money valuation, signaling strong private market support but no confirmed IPO date, which initially boosted market optimism for a 2026 IPO.
OpenAI closes $122 billion funding round at $852 billion valuation
December 31, 2026 surges to 43%17%
OpenAI raised $122 billion in a historic funding round, boosting its valuation to $852 billion and signaling strong investor confidence. This large capital raise supported the company's growth and IPO ambitions, temporarily increasing market optimism.
OpenAI Preps for Potential 2026 IPO with Renewed Focus on Enterprise Business
December 31, 2026 rises to 35%1%
Reports indicated that OpenAI is gearing up for a potential IPO that could land as soon as the fourth quarter of 2026, while shifting its focus toward enterprise productivity tools.
OpenAI Preps for IPO in 2026 with Focus on Enterprise Productivity
December 31, 2026 rises to 38%3%
Reports confirmed that OpenAI is gearing up for a potential IPO that could land as soon as the fourth quarter of 2026, while aggressively orienting ChatGPT toward high-productivity enterprise use cases.
OpenAI renews focus on enterprise amid IPO preparations
December 31, 2026 jumps to 39%5%
Reports in March 2026 indicated OpenAI was preparing for a potential IPO later that year while emphasizing enterprise growth and clearer spending targets, which briefly boosted market optimism for a 2026 IPO.
OpenAI prepares for IPO in 2026, emphasizes ChatGPT as productivity tool
December 31, 2026 dips to 34%4%
Reports indicated OpenAI's IPO could occur as soon as Q4 2026, with the company focusing on enterprise growth and clearer spending targets, which influenced market sentiment positively for the December 31, 2026 outcome.
OpenAI announces $110 billion funding round at $730 billion valuation
December 31, 2026 surges to 53%21%
OpenAI disclosed a massive funding round including investments from Amazon, NVIDIA, and SoftBank, raising $110 billion at a $730 billion valuation. This large capital raise indicated strong investor support but also highlighted the company's ongoing cash needs, affecting IPO timing expectations.
OpenAI closes $122 billion funding round at $852 billion valuation
December 31, 2026 jumps to 52%12%
OpenAI announced a massive funding round in late February, boosting its valuation and signaling strong financial backing ahead of a potential IPO, which increased market confidence in a late 2026 listing.
OpenAI raises $110 billion at $730 billion valuation in largest private funding round
December 31, 2026 surges to 55%23%
OpenAI secured $110 billion in new investment, including $50 billion from Amazon, pushing its valuation to $730 billion. This massive funding round underscored the company's capital needs and delayed urgency for an IPO.
OpenAI acquires OpenClaw to enhance AI agent capabilities
December 31, 2026 drops to 42%5%
OpenAI's acquisition of OpenClaw and hiring of its founder signaled strategic investment in AI agent technology, reflecting ongoing growth but also significant capital deployment, which may have tempered IPO enthusiasm.
OpenAI acquires OpenClaw, signaling shift to AI agents
December 31, 2026 rises to 42%1%
OpenAI's acquisition of OpenClaw and hiring of its creator indicated a strategic pivot towards AI agents and workflow orchestration, reflecting ongoing innovation but no direct IPO timing confirmation, maintaining market caution.
OpenAI CFO signals IPO readiness concerns and spending risks
June 30, 2026 dips to 6%1%
Reports emerged that CFO Sarah Friar expressed doubts about OpenAI being ready for a 2026 IPO due to spending commitments and uncertain revenue growth, contributing to further market price declines for the June 30, 2026 outcome.
OpenAI shuts down Sora video app amid strategic shift ahead of IPO
December 31, 2026 dips to 25%3%
OpenAI discontinued its standalone Sora video generation app due to declining user engagement, signaling a strategic focus on core products as it prepares for a potential 2026 IPO, impacting investor confidence.
Elon Musk's lawsuit against OpenAI dismissed by jury
Elon Musk's federal lawsuit alleging misconduct by OpenAI's leadership was dismissed due to delay in filing, removing a significant legal risk for OpenAI's IPO plans. This dismissal improved market sentiment, particularly for longer-term IPO dates, as legal uncertainties diminished.
Secondary share sales imply OpenAI valuation exceeding $500 billion
June 30, 2026 plunges to 9%38%
Secondary sales in late 2025 implied valuations around $500 billion, tempering some IPO enthusiasm and causing a sharp drop in the June 30, 2026 outcome price, reflecting doubts about a near-term IPO.
OpenAI IPO Odds Collapse as No Near-Term Public Listing Materializes
June 30, 2026 plunges to 11%36%
At the start of the analysis window, the market experienced a sharp downward correction. The June 30, 2026 option plummeted by 36 points as traders realized that despite ongoing speculation, there was no official timeline or S-1 filing planned for the near term.
OpenAI confirms IPO plans targeting late 2026 or 2027
December 31, 2026 drops to 35%6%
OpenAI publicly acknowledged IPO plans with CFO Sarah Friar mentioning a 2027 target but advisers predicting late 2026. The company emphasized that an IPO is not the current focus, adding uncertainty to timing.
OpenAI restructures as Public Benefit Corporation enabling IPO
December 31, 2026 dips to 34%4%
OpenAI converted from a nonprofit-controlled capped-profit entity into a Public Benefit Corporation in October 2025, removing structural barriers to a traditional IPO and signaling serious intent to go public.
OpenAI CFO signals possible 2027 IPO, some advisers suggest late 2026
December 31, 2026 drops to 39%11%
OpenAI's CFO Sarah Friar indicated a 2027 IPO target, but some advisers predicted a possible late 2026 listing, creating mixed market expectations and contributing to price volatility across outcomes.
OpenAI Reportedly Lays Groundwork for Trillion-Dollar IPO as Early as Late 2026
June 30, 2026 plunges to 10%37%
Reports surfaced that OpenAI is considering filing for an IPO as soon as the second half of 2026, though CFO Sarah Friar suggested 2027 might be more realistic. This news pushed expectations away from an early 2026 debut toward late 2026 or 2027.

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