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6857.T (Advantest Corp. (Tokyo)) — Pure Jensen's Alpha & FF5 Audit

Region: JP_APAC · Sector: AI SoC/HBM Test Systems · Sample: 2021-11-09 ~ 2026-11-09 (1174 trading days)

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Verdict: 알파 반감기 경고 (Crowded / Decaying) — 5년 누적 알파(+54.64%p)는 높았으나 최근 60거래일 단기 알파(-19.51%p)가 급격히 둔화되어 추격 매수 주의가 필요합니다.

Dividend-Reinvested Alpha
+55.06%p/yr
Price-only: +54.64%p
Fama-French 5-Factor Alpha
+52.95%p/yr
FF5 t-stat: 1.94 · R²: 3.8%
Bootstrap Skill Probability
97%
p-val: 0.03
IRS §1091 TLH Replacement
SPY
5Y Corr ρ = 0.45
6857.T OpenGraph Audit Receipt