§ CHANGELOG · RELEASE HISTORY
Changelog
Every quarterly release, model update, and universe change documented for full transparency and reproducibility.
Q1-2026
April 29, 2026Model V3.1- 100 platforms scored across 12 sectors
- V3.1 model with CES aggregation, synergy corrections, org-depth and momentum multipliers
- Spearman ρ = 0.83 validation against 36-platform external reference set
- ICC(3,k) = 0.84 inter-rater reliability
- Investment signal: Q4-Q1 spread +13.4pp, Information Ratio 0.55
- Added: Cursor (Anysphere), Hyperliquid (HYPE), Perplexity, Apple Intelligence
- CMA UK submission accepted — Apple/Google app store lock-in analysis
- Platform detail pages, sector deep dives, correlation heatmap, advanced search
- Embeddable B-Score badges for journalists and analysts
- Quarterly diff view with zone migration tracking
- Public API with JSON/CSV export (CC-BY 4.0)
Q4-2025
December 31, 2025Model V3.0- Initial 100-platform universe established
- 12 sectors: AI, Crypto Assets, Crypto Infra, Social, Tech, SaaS, Banks, Fintech, Gaming, E-Commerce, Pharma, Critical Infrastructure
- V3.0 model specification with 11 parameters
- B = Capture / Escape formula finalized
- SSRN working paper submitted (Abstract ID: 6555158)
- Website launched at blackholeindex.com
Next release: Q2-2026 · July 2026 · Universe expansion to 185 platforms across 17 sectors