B
Evidence Grade B
Graded
under review
Safe to Cite
Current
70%
70% -- share of users losing money for Polymarket (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
70%
Unit
Percentage
Data Vintage
2026
Entity
Geography
US
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
60
Freshness
95
Source
Wall Street Journal
Primary
Tier B
https://www.beneschlaw.com/insight/prediction-markets-and-public-power-senate-restricts-trading-but-… ↗
Source Article
Prediction Markets And Public Power: Senate Restricts Trading, But Constitutional Questions Linger | Benesch Law
Client Alerts & Insights
Prediction Markets and Public Power: Senate Restricts Trading, but Constitutional Questions Linger
May 8, 2026
Key Takeaways
- The U.S. Senate has unanimously banned its members, officers and staff from trading on prediction markets, responding to concerns about insider trad…
Original Research
Wall Street Journal
· Original study ↗
Methodology
Wall Street Journal analysis as cited by Benesch Law
Methodology documented
Segmentation
IndustryFinTech
RegionUS
Cite this stat
Plain Text
Polymarket: 70% share of users losing money. Source: Wall Street Journal (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/polymarket-losing-users-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/polymarket-losing-users-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>70%</strong> -- share of users losing money for Polymarket<br><small>Source: Wall Street Journal (2026) · <a href="https://lighthousedata.io/data/polymarket-losing-users-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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