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6501.T (Hitachi Ltd. (Tokyo)) — Pure Jensen's Alpha & FF5 Audit

Region: JP_APAC · Sector: HVDC Power Grid & IT · Sample: 2021-11-08 ~ 2026-11-06 (1175 trading days)

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Verdict: 알파 반감기 경고 (Crowded / Decaying) — 5년 누적 알파(+20.64%p)는 높았으나 최근 60거래일 단기 알파(-69.7%p)가 급격히 둔화되어 추격 매수 주의가 필요합니다.

Dividend-Reinvested Alpha
+21.53%p/yr
Price-only: +20.64%p
Fama-French 5-Factor Alpha
+21.54%p/yr
FF5 t-stat: 1.17 · R²: 0.8%
Bootstrap Skill Probability
87%
p-val: 0.13
IRS §1091 TLH Replacement
SPY
5Y Corr ρ = 0.45
6501.T OpenGraph Audit Receipt