A Tesla-SpaceX merger could be announced within weeks. Winning over Tesla's shareholders is the hard part
Future Times4 min read
In 30 seconds
Talks are advancing on what would be the largest merger ever. Traders now treat an announcement by the end of January as a coin toss, but still give this year less than one chance in three.
- Tesla needs a majority of all outstanding shares, not just votes cast, and Musk owns only about 20%
- Tesla's 3 December annual meeting re-elects Denholm and Straubel but carries no merger vote
- Walling off Tesla's China business, which builds over half its cars, is one of the main sticking points
What it means
- StocksTesla shares now carry a takeover option.
- BusinessUntil the China question is settled, any plan for Giga Shanghai sits in limbo, and its suppliers face a parent that may…
- GovernanceThe 50% of outstanding shares rule turns Tesla's retail base into the swing vote, so expect a long campaign for proxy…
- PoliticsA Democratic Congress gives the deal a louder platform for scrutiny of Musk's defence and China ties, raising the cost…
What to watch
- 3 DecTesla's 3 December meeting and the votes for Denholm and Straubel
The odds
Polymarket · live, 07:18 GMTTesla-SpaceX merger announced by 31 January 2027
up 27 points over 7dfrom 18% a week ago47% when this was published
What would move these odds
- Signed terms or named advisers disclosed in an SEC filing after the 3 December meeting would push the odds up sharply
- Reports of deadlock over Tesla's China operations would push the announcement into 2027
- Sizeable votes against Denholm or Straubel on 3 December would signal resistance from Tesla's independent owners
Now · 45%
Think the market's wrong? Add your forecast and see who's closer.
- Tesla and SpaceX merger officially announced by December 31, 202628%up 19 points
- Tesla and SpaceX merger officially announced by February 28, 202759%up 25 points
- Tesla and SpaceX merger officially announced by June 30, 202776%up 23 points
The record for the biggest takeover in history has stood since 2000, when Vodafone paid $183bn for Mannesmann. A combination of SpaceX, valued at about $1.9tn, and Tesla, at about $1.55tn, would beat it many times over. On Thursday Bloomberg reported that talks between the two companies are advancing and that a deal could be announced as soon as December, though the two sides have also discussed the announcement slipping into early 2027.
Neither company commented. Tesla shares rose as much as 1.9%. The talks have reached the hard part: how many SpaceX shares Tesla investors would receive, and who would run the combined company.
Traders moved fast. They now see an announcement by 31 January as roughly a coin toss, but still put the chance of one this year below one in three. The gap between those dates is the time it takes to settle a price that Tesla's independent shareholders will accept, and those shareholders face an unusually high bar.
A process built to keep Musk out of the room
Both boards formed special committees of independent directors on 20 October, a move Elon Musk, chief executive of both companies, disclosed on SpaceX's third-quarter earnings call. "Because I'm a conflicted party, I can't actually be in the discussions of the special committees," he said, calling the arrangement an "odd kabuki dance". He called a merger "a good idea", but said treating it as a certainty "would be overstating it".
SpaceX's quarterly report to the Securities and Exchange Commission two days later lists among its risks "whether and when any discussions will continue" and whether "any agreement will be reached or any transaction will be consummated". It adds that any combination would need further approval from its special committee, its board and its controlling shareholder. That shareholder is Musk, who controls roughly 85% of SpaceX's votes through super-voting shares, so the SpaceX side of the approval is close to a formality.
Tesla's side is not. Musk owns about 20% of Tesla, and he has said a deal would need the backing of 50% of all outstanding Tesla shares, not merely of those voting, which he called "quite a high hurdle".
Why 3 December matters, even without a vote
Tesla's 3 December annual meeting has three items: the re-election of Musk, board chair Robyn Denholm and JB Straubel; an advisory vote on 2025 executive pay; and the choice of auditor. There is no merger proposal, so any deal would need a separate shareholder meeting, months after an announcement.
It still matters. Musk has not named the committee's members, but Denholm and Straubel are two of Tesla's seven independent directors, and their vote tallies will be an early reading of how outside owners view the board negotiating for them.
What traders expect
As of 13 November, traders put the chance of an official announcement by 31 December at 33%, up 23 points in a day. By 31 January it rises to 47%, by 28 February to 55%, by 30 June 2027 to 69% and by the end of 2027 to 83%.
The odds cross 50% only in February, which puts the market's central expectation early in 2027, not in December. Traders think a deal will probably come. They doubt a price can be agreed in seven weeks. The later dates have each drawn less than $120,000 of trading, against $386,000 on the year-end question, so the shorter-dated reading carries more weight.
One of the main sticking points beyond price is how to ring-fence Tesla's China business: Giga Shanghai builds more than half of Tesla's cars, while SpaceX holds sensitive US defence contracts. A JPMorgan analyst called the two "key dynamics that are at odds with each other". Democrats, who won control of Congress in the midterms, have said Musk's companies will get close scrutiny.
The prize, in Musk's telling, is artificial intelligence. SpaceX bought xAI this year for about $250bn, and on Thursday announced more than $74bn of AI supercomputing campuses in Arizona and Texas. A merger would put Tesla's robots and self-driving software in the same company as that computing.
SpaceX would be the buyer, and its stock has been listed only since June. Traders give 93% that its flotation remains the year's largest by market value, even with Anthropic's now approaching.
Why the deal could come sooner
The strongest case against the market is that the main open question is an exchange ratio, a detail that can close quickly once both sides want a deal. A signed agreement needs no shareholder vote to be announced; Tesla's high bar applies later. If the committees settle after 3 December, a pre-Christmas announcement is plausible.
The risk for Tesla's independent shareholders runs the other way. Under Musk's 2025 pay award, a change of control would accelerate the vesting of his shares. A premium large enough to win their votes would therefore also enrich Musk, which gives the committee reason to take its time.
What it means for markets, business and politics
Stocks Tesla shares now carry a takeover option. Signs that the committees are stalling, especially over China, would hit Tesla harder than SpaceX, whose holders face dilution, not a premium.
TSLASPCXBusiness Until the China question is settled, any plan for Giga Shanghai sits in limbo, and its suppliers face a parent that may soon be a US defence contractor.
Governance The 50% of outstanding shares rule turns Tesla's retail base into the swing vote, so expect a long campaign for proxy votes once terms are public.
Politics A Democratic Congress gives the deal a louder platform for scrutiny of Musk's defence and China ties, raising the cost of delay into 2027.
What to watch
Tesla's 3 December meeting and the votes for Denholm and Straubel; any SEC filing naming the committees' advisers or terms; and the expiry in December of post-IPO trading restrictions on the SpaceX shares Tesla bought for $2bn in March. A deal before Christmas would surprise traders. A deal by spring would not.