AAPL vs CSCO: Correlation
Measured on weekly returns over the past three years, Apple Inc. (AAPL) and Cisco (CSCO) carry a correlation of 0.39, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AAPL and CSCO?
Across a 3-year window, the weekly returns of AAPL and CSCO correlate at 0.39, moderate. Little has changed lately, as the 1-year reading of 0.37 lands near the 3-year figure. Stretching to 5 years gives 0.43, with an annualized covariance of 277.2 %².
Among the 32 assets we track against AAPL, CSCO ranks #19 by 3-year correlation. Correlation aside, the last 12 months split them widely, with CSCO ahead by 30.3 points (+37.0% versus +67.3%). This link changes with the market regime, having swung between 0.06 and 0.68 on a rolling one-year basis.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
AAPL vs CSCO: side by side
| AAPL (Apple Inc.) | CSCO (Cisco) | |
|---|---|---|
| 1-year return | +37.0% | +67.3% |
| 5-year return | +110.6% | +118.1% |
| Volatility (ann.) | 27.2% | 26.4% |
| Beta vs S&P 500 | 1.06 | 0.84 |
| Max drawdown (3Y) | -33.4% | -20.2% |
| Market cap | $4,591.0B | $442.0B |
| P/E (trailing) | 36.1 | 33.8 |
| Dividend yield | 0.33% | 1.48% |
| Sector / category | Information Technology | Information Technology |
Year-by-year returns
| Year | AAPL | CSCO |
|---|---|---|
| 2022 | -26.4% | -22.5% |
| 2023 | +49.0% | +9.3% |
| 2024 | +30.7% | +21.0% |
| 2025 | +9.1% | +33.5% |
| 2026 | +16.0% | +47.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AAPL and CSCO good diversifiers for each other?
A fair diversifier. At 0.39, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between AAPL and CSCO?
Using weekly returns as of 2026-08-27: 0.39 over 3 years, with 0.37 over the last year and 0.43 over 5 years.
Is CSCO a good diversifier for AAPL?
A fair diversifier. At 0.39, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.39 mean?
A reading of 0.39 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/aapl-vs-csco.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/aapl-vs-csco/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: AAPL correlations · CSCO correlations
