Beta
244.39
6.89
(2.90%)
06/18/2026
Amazon.com, Inc. (AMZN)
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Beta Analysis
AMZN vs. SPY · 500 trading days · 21 Jun 2024 – 21 Jun 2026
Beta
1.38
Slope vs SPY
Adjusted Beta
1.25
Blume, toward 1.0
Alpha
-6.3%
Annualized, mkt-adj
R²
0.51
Explained by SPY
Correlation
0.71
Daily returns
Vol AMZN
32.7%
Annualized
Vol SPY
16.9%
Annualized
Key Observations
- High-beta / aggressive (β = 1.38): AMZN amplifies SPY — a 1% benchmark move maps to ~1.38%, cutting both ways.
- Benchmark explains 51% of AMZN's daily variance (R² = 0.51); a meaningful share is stock-specific, so treat beta as approximate.
- Forward-looking adjusted beta ≈ 1.25 (Blume: pulls the raw β one-third of the way toward the market's 1.0).
- α ≈ -6.3%/yr: after stripping out market exposure, AMZN underperformed SPY over the window (extrapolated from the daily intercept; not a forecast).
- Annualized volatility: AMZN 32.7% vs SPY 16.9% — 1.93× as volatile (more than the benchmark).
Derived from the values above · point-in-time over the selected window · not investment advice.