NFJ vs STX: Correlation
Virtus Dividend, Interest & Premium Strategy Fund (NFJ) and Seagate Technology (STX) show a moderate relationship: their 3-year correlation of weekly returns is 0.59.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NFJ and STX?
On 3 years of weekly data the NFJ/STX correlation comes out at 0.59, moderate. Recent behaviour matches the longer record: 0.56 over 1 year against 0.59 over 3. The 5-year figure is 0.58, and annualized covariance runs at 415.4 %².
Among the 34 assets we track against NFJ, STX ranks #21 by 3-year correlation. Correlation aside, the last 12 months split them widely, with STX ahead by 379.8 points (+31.0% versus +410.8%). Risk is not evenly split, since STX carries 3.7 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.
NFJ vs STX: side by side
| NFJ (Virtus Dividend, Interest & Premium Strategy Fund) | STX (Seagate Technology) | |
|---|---|---|
| 1-year return | +31.0% | +410.8% |
| 5-year return | +50.8% | +1032.5% |
| Volatility (ann.) | 13.8% | 51.3% |
| Beta vs S&P 500 | 0.73 | 1.97 |
| Max drawdown (3Y) | -17.0% | -40.0% |
| Market cap | $1.5B | $192.0B |
| P/E (trailing) | 9.8 | 61.0 |
| Dividend yield | 7.83% | 0.35% |
| Sector / category | US Listed | Information Technology |
Year-by-year returns
| Year | NFJ | STX |
|---|---|---|
| 2022 | -23.9% | -51.4% |
| 2023 | +21.3% | +69.1% |
| 2024 | +10.0% | +4.1% |
| 2025 | +12.4% | +225.3% |
| 2026 | +26.1% | +208.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NFJ and STX good diversifiers for each other?
To a limited degree. At 0.59 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between NFJ and STX?
The NFJ/STX correlation stands at 0.59 on a 3-year window (1 year: 0.56, 5 years: 0.58), computed from weekly returns as of 2026-08-27.
Is STX a good diversifier for NFJ?
To a limited degree. At 0.59 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.59 mean?
On the −1 to +1 scale, 0.59 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/nfj-vs-stx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/nfj-vs-stx/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: NFJ correlations · STX correlations
