EFX vs NVCR: Correlation
Measured on weekly returns over the past three years, Equifax (EFX) and NovoCure Limited (NVCR) carry a correlation of 0.48, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EFX and NVCR?
Across a 3-year window, the weekly returns of EFX and NVCR correlate at 0.48, moderate. Recent behaviour matches the longer record: 0.44 over 1 year against 0.48 over 3. Stretching to 5 years gives 0.39, with an annualized covariance of 1116.0 %².
By 3-year correlation, NVCR places #29 of the 53 assets tracked against EFX. The last year tells two different stories: NVCR led by 72.8 percentage points, -21.8% for EFX against +51.0% for NVCR. Risk is not evenly split, since NVCR carries 2.1 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.
EFX vs NVCR: side by side
| EFX (Equifax) | NVCR (NovoCure Limited) | |
|---|---|---|
| 1-year return | -21.8% | +51.0% |
| 5-year return | -26.0% | -86.6% |
| Volatility (ann.) | 33.3% | 70.1% |
| Beta vs S&P 500 | 1.25 | 1.51 |
| Max drawdown (3Y) | -49.7% | -70.0% |
| Market cap | $22.4B | $2.1B |
| P/E (trailing) | 33.5 | – |
| Dividend yield | 1.11% | 0.00% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | EFX | NVCR |
|---|---|---|
| 2022 | -33.1% | -2.3% |
| 2023 | +28.2% | -79.6% |
| 2024 | +3.7% | +99.6% |
| 2025 | -14.2% | -56.6% |
| 2026 | -11.7% | +39.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EFX and NVCR good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.48 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between EFX and NVCR?
As of 2026-08-27, the correlation of weekly returns between EFX and NVCR is 0.48 over 3 years, 0.44 over 1 year and 0.39 over 5 years.
Is NVCR a good diversifier for EFX?
Yes, to a useful degree: a correlation of 0.48 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.48 mean?
On the −1 to +1 scale, 0.48 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
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Related comparisons
Hubs: EFX correlations · NVCR correlations
