PairBook
HomeNRT › NRT vs SYK

NRT vs SYK: Correlation

Measured on weekly returns over the past three years, North European Oil Royality Trust (NRT) and Stryker Corporation (SYK) carry a correlation of -0.21, a negative link.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
-0.21
negative
Correlation (1Y)
-0.20
last 12 months
Correlation (5Y)
-0.03
long-run
Ann. covariance
-230.9
%² · weekly, annualized

How correlated are NRT and SYK?

Across a 3-year window, the weekly returns of NRT and SYK correlate at -0.21, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.20) sits close to the 3-year figure. Stretching to 5 years gives -0.03, with an annualized covariance of -230.9 %².

Among the 62 assets we track against NRT, SYK ranks #35 by 3-year correlation. Correlation aside, the last 12 months split them widely, with NRT ahead by 102.4 points (+85.2% versus -17.2%). Note the risk asymmetry: NRT runs 2.4 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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.

NRT vs SYK: side by side

NRT (North European Oil Royality Trust)SYK (Stryker Corporation)
1-year return+85.2%-17.2%
5-year return+131.5%+23.8%
Volatility (ann.)51.6%21.5%
Beta vs S&P 500-0.420.61
Max drawdown (3Y)-66.1%-29.4%
Market cap$0.1B$123.6B
P/E (trailing)8.434.1
Dividend yield11.95%1.06%
Sector / categoryUS ListedHealth Care
Lower P/E: NRT 8.4 vs 34.1Higher yield: NRT 11.95% vs 1.06%Smaller drawdown: SYK -29.4% vs -66.1%Higher 5y return: NRT +131.5% vs +23.8%
-27%0%+107%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. NRT · SYK

Year-by-year returns

YearNRTSYK
2022+41.9%-7.4%
2023-46.5%+23.8%
2024-25.3%+21.3%
2025+88.4%-1.5%
2026+41.9%-7.9%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are NRT and SYK good diversifiers for each other?

By historical standards, yes. A correlation of -0.21 means the two rarely move for the same reasons.

FAQ

What is the correlation between NRT and SYK?

The NRT/SYK correlation stands at -0.21 on a 3-year window (1 year: -0.20, 5 years: -0.03), computed from weekly returns as of 2026-08-27.

Is SYK a good diversifier for NRT?

By historical standards, yes. A correlation of -0.21 means the two rarely move for the same reasons.

What does a correlation of -0.21 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/nrt-vs-syk.json

NRT vs SYK: 3-year weekly correlation -0.21NRT vs SYK-0.21

Embed this badge (it refreshes with the data), with attribution:

[![NRT vs SYK correlation](https://www.pairbook.io/api/v1/badge/nrt-vs-syk.svg)](https://www.pairbook.io/pair/nrt-vs-syk/)

No key needed, free to use. Full endpoint list in the API documentation.

Related comparisons

Hubs: NRT correlations · SYK correlations