Scores by kind of claim
Each kind of claim is scored on its own, out of 100: the share that held up, with the range it likely falls in. Fewer resolved claims give a wider range.
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Factual claims
Statements about the present or the past, checked against the record: did they hold up?
76 70 81 -
Predictions
Statements about events outside the person's control, checked once they fell due: did they come true?
68 54 82 -
Promises
Commitments to the person's or organisation's own future action, with something to deliver: was it delivered?
Insufficient record: 3 promises resolved, 5 needed for a score.
All types combined: 74 (likely 69 to 80, high confidence), from 96 claims: 82 factual claims, 14 predictions. It mixes kinds of claim in different proportions for different people, so compare people kind by kind.
Bill Ackman's claims
42 claims
“SpaceX is near monopoly in terms of low-cost space launch.”
Bill Ackman, interviewee 1 October 2026 Transcript of Bill Ackman Interview: All-In Liquidity 2026 (Singju Post)
SpaceX is a near monopoly in low-cost space launch.
Mostly true True in substance, wrong in a detail.
The second judge said mixed; the verdict shown is the first judge's.
What would count as true or false
Judge as of 2026-10-01. The claim is that SpaceX holds a near monopoly in low-cost space launch. The main test is SpaceX's share of orbital launches or of mass/payload sent to orbit worldwide, or outside China, by commercial and low-cost providers in 2025–2026. True: credible industry data (launch counts, mass to orbit, commercial launch market share) shows SpaceX with a dominant majority, roughly 70% or more of low-cost or commercial launch activity, and no competitor offering comparable cost per kg at scale. Mostly true: SpaceX clearly dominates, at about 55–70% share or by a wide margin on cost per kg, but one or more competitors have meaningful operating low-cost capacity. Mixed: SpaceX is the largest provider but holds well under a majority, or the measures disagree, with dominance on some and not on others. Mostly false: SpaceX is a leading provider but several competitors hold comparable shares or costs, so 'near monopoly' substantially overstates its position. False: SpaceX is not the leading low-cost launch provider, or holds a minor share.
Evidence
- BryceTech Report Shows SpaceX Accounted for 50% of Launches in 2025 Via Satellite · 10 April 2026
“SpaceX dominates here, completing 165 orbital launches in 2025 — accounting for nearly 51% of the global total of launches.”
- SpaceX’s hold over orbit matches East India Company’s grip on maritime trade University of Cambridge · 9 June 2026
“In 2025, SpaceX had a market share of around 75% of everything humanity sent into space, according to calculations led by Dr Alessio Terzi from the University of Cambridge’s Bennett School of Public Policy.”
- GLOBAL SPACE ECONOMY Space Foundation · 4 November 2026
“SpaceX alone carried out 141 commercial launches during the year, while Blue Origin, Firefly Aerospace, Northrop Grumman, Rocket Lab, and United Launch Alliance conducted the remaining U.S. commercial launches.”
- Elon Musk’s dangerous grip on outer space The Verge · 23 October 2026
““For all intents and purposes, SpaceX has a monopoly on launch right now,” said Wendy Whitman Cobb of the School of Advanced Air and Space Studies at Maxwell Air Force Base, Alabama.”
Reasoning
E2 reports a Cambridge-led estimate that SpaceX accounted for about 75% of everything sent to space in 2025, which is above the 70% bar. E1 reports that SpaceX flew 165 orbital launches in 2025, nearly 51% of the global total, but that count includes Chinese and government launches. E3 shows SpaceX carried out 141 commercial launches, with several other US firms flying the rest, though it does not give their share. E4 quotes an expert who says that, for all intents and purposes, SpaceX has a monopoly on launch. SpaceX clearly dominates, but the share measures are not consistent, and nothing here compares cost per kg, so the evidence supports "mostly true" rather than fully confirming a near monopoly.
Cite this claim
Bill Ackman, “SpaceX is a near monopoly in low-cost space launch.” (said 1 October 2026). Verdict: mostly true. Reliability API, claim c_8a97b206fc43, method 0.1.0+c876030c. https://epistacklabs.com/claims/c_8a97b206fc43
Claims without a verdict
- Unresolvable 135
- Not yet due 9
- Own records only 29
- Not researched 162
- Not checkable 431
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