@techreport{blackridge_correlation_regime_shifts_20261006,
  author      = {{BlackRidge}},
  title       = {{US Stock-Bond Correlation and Capital Preservation}},
  institution = {BlackRidge},
  type        = {Research report},
  year        = {2026},
  url         = {https://blckridge.com/research/correlation-regime-shifts-20261006/},
  note        = {Research synthesis. Original sources are credited in the report.}
}