Will Tesla or SpaceX announce a definitive, binding agreement for Tesla to acquire SpaceX, SpaceX to acquire Tesla, or the two entities to merge or combine in any structure that results in a transfer of controlling interest or consolidation of the two entities under common corporate ownership before Oct 1, 2026
Leader sits at 67% across 7 bound outcomes, runner-up at 37%. This is a winner-take-all market — the headline is the leader’s price, not an arithmetic mean.
Leader probability
Before 2028
Outcomes
7
winner-take-all
Runner-up
37¢
Before May 1, 2027
Spread
30pp
contested
24h volume
$1K
modest
Closes
Jan 1, 2028
446 days
Venue
Kalshi
7 bound
30-day trend
Bracket family
How the bracket ladder is priced.
Each row is one outcome on the venue. Sorted by 24h volume — the heaviest book is at the top.
Cluster 1
Will Tesla or SpaceX announce a definitive, binding agreement for Tesla to acquire SpaceX, SpaceX to acquire Tesla, or the two entities to merge or combine in any structure that results in a transfer of controlling interest or consolidation of the two entities under common corporate ownership before
Will Tesla or SpaceX announce a definitive, binding agreement for Tesla to acquire SpaceX, SpaceX to acquire Tesla, or the two entities to merge or combine in any structure that results in a transfer of controlling interest or consolidation of the two entities under common corporate ownership before Mar 1, 2027?: Before Mar 1, 2027
KXCOMPANYACTIONMERGER-27-27MAR01
Will Tesla or SpaceX announce a definitive, binding agreement for Tesla to acquire SpaceX, SpaceX to acquire Tesla, or the two entities to merge or combine in any structure that results in a transfer of controlling interest or consolidation of the two entities under common corporate ownership before Apr 1, 2027?: Before Apr 1, 2027
KXCOMPANYACTIONMERGER-27-27APR01
Will Tesla or SpaceX announce a definitive, binding agreement for Tesla to acquire SpaceX, SpaceX to acquire Tesla, or the two entities to merge or combine in any structure that results in a transfer of controlling interest or consolidation of the two entities under common corporate ownership before May 1, 2027?: Before May 1, 2027
KXCOMPANYACTIONMERGER-27-27MAY01
Will Tesla or SpaceX announce a definitive, binding agreement for Tesla to acquire SpaceX, SpaceX to acquire Tesla, or the two entities to merge or combine in any structure that results in a transfer of controlling interest or consolidation of the two entities under common corporate ownership before Jan 1, 2027?: Before Jan 1, 2027
KXCOMPANYACTIONMERGER-27-27JAN01
Will Tesla or SpaceX announce a definitive, binding agreement for Tesla to acquire SpaceX, SpaceX to acquire Tesla, or the two entities to merge or combine in any structure that results in a transfer of controlling interest or consolidation of the two entities under common corporate ownership before Jan 1, 2028?: Before 2028
KXCOMPANYACTIONMERGER-27-28JAN01
Will Tesla or SpaceX announce a definitive, binding agreement for Tesla to acquire SpaceX, SpaceX to acquire Tesla, or the two entities to merge or combine in any structure that results in a transfer of controlling interest or consolidation of the two entities under common corporate ownership before Feb 1, 2027?: Before Feb 1, 2027
KXCOMPANYACTIONMERGER-27-27FEB01
Will Tesla or SpaceX announce a definitive, binding agreement for Tesla to acquire SpaceX, SpaceX to acquire Tesla, or the two entities to merge or combine in any structure that results in a transfer of controlling interest or consolidation of the two entities under common corporate ownership before Dec 1, 2026?: Before Dec 1, 2026
KXCOMPANYACTIONMERGER-27-26DEC01
Analysis
Markets currently assess a 62% chance that Tesla and SpaceX will announce a binding agreement to merge, consolidate, or transfer controlling interest by January 1, 2028. This probability reflects the two companies' common ownership under Elon Musk and their potential operational synergies, balanced against regulatory hurdles, each company's distinct strategic focus, and the complexity of combining entities with different stakeholders and market positions. Near-term probability contracts show much lower prices (7% by December 2026, 26% by February 2027), suggesting markets expect this unlikely to occur imminently. Key drivers include regulatory approval feasibility, statements from company leadership regarding strategic intent, and Musk's capital allocation priorities across his portfolio. The resolution of this question ultimately depends on whether either company makes a formal, binding announcement of merger terms—a discrete, observable event.
- ›No credible public statements from Tesla or SpaceX leadership expressing intent to merge or consolidate as of October 2026
- ›Regulatory scrutiny of large acquisitions and cross-company control consolidation would likely be substantial given market concentration concerns
- ›The term structure of contracts shows steep probability decline in near-term windows (7% by Dec 2026 vs. 62% by Jan 2028), indicating most probability mass assigned to late-2027 or uncertainty beyond the forecast period
- ›Both companies operate in distinct markets (automotive/energy vs. aerospace/satellite) with separate capital requirements and shareholder bases, reducing obvious strategic necessity for combination
- ›Musk's historical approach has favored maintaining separate corporate structures for his ventures rather than formal consolidation
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How we compute these odds
SimpleFunctions aggregates live prediction-market contracts from Kalshi and Polymarket. Each slug groups contracts that resolve on the same underlying event, identified by venue event_id.
For binary slugs, the headline probability is the liquidity-weighted mid-price across all bound contracts. For multi-outcome slugs (e.g. elections with 3+ candidates), the headline is the leader’s price; we never arithmetically average disjoint outcomes — that would produce a number with no real-world meaning.
Snapshots refresh every 5 minutes during market hours; daily aggregates are computed at 04:00 UTC. The 30-day sparkline is drawn from per-ticker daily means stored in market_indicator_daily; 24h delta and movement events are derived from the same source.
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