EXC vs GKOS: Correlation
Exelon (EXC) and Glaukos Corporation (GKOS) show a negative relationship: their 3-year correlation of weekly returns is -0.26.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EXC and GKOS?
On 3 years of weekly data the EXC/GKOS correlation comes out at -0.26, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.18 over 1 year against -0.26 over 3. The 5-year figure is -0.01, and annualized covariance runs at -234.4 %².
Out of 41 assets tracked against EXC, GKOS lands near the bottom at #37. The last year tells two different stories: GKOS led by 89.5 percentage points, +1.7% for EXC against +91.2% for GKOS. Risk is not evenly split, since GKOS carries 2.4 times the volatility of the other side.
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.
EXC vs GKOS: side by side
| EXC (Exelon) | GKOS (Glaukos Corporation) | |
|---|---|---|
| 1-year return | +1.7% | +91.2% |
| 5-year return | +48.1% | +218.6% |
| Volatility (ann.) | 19.4% | 45.7% |
| Beta vs S&P 500 | -0.05 | 0.85 |
| Max drawdown (3Y) | -18.9% | -53.7% |
| Market cap | $45.3B | $10.7B |
| P/E (trailing) | 16.3 | – |
| Dividend yield | 3.69% | 0.00% |
| Sector / category | Utilities | US Listed |
Year-by-year returns
| Year | EXC | GKOS |
|---|---|---|
| 2022 | +8.3% | -1.7% |
| 2023 | -14.0% | +82.0% |
| 2024 | +9.2% | +88.6% |
| 2025 | +20.0% | -24.7% |
| 2026 | +2.7% | +61.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EXC and GKOS good diversifiers for each other?
Yes. With a correlation of -0.26, EXC and GKOS have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between EXC and GKOS?
Using weekly returns as of 2026-08-27: -0.26 over 3 years, with -0.18 over the last year and -0.01 over 5 years.
Is GKOS a good diversifier for EXC?
Yes. With a correlation of -0.26, EXC and GKOS have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.26 mean?
A reading of -0.26 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/exc-vs-gkos.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/exc-vs-gkos/)
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Related comparisons
Hubs: EXC correlations · GKOS correlations
