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ECOR vs RDW: Correlation

How closely do electroCore, Inc. (ECOR) and Redwire Corporation (RDW) trade together? Their weekly returns over three years give a correlation of 0.42, which is moderate.

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

Correlation (3Y)
0.42
moderate
Correlation (1Y)
0.49
last 12 months
Correlation (5Y)
0.28
long-run
Ann. covariance
3596.9
%² · weekly, annualized

How correlated are ECOR and RDW?

Over the past 3 years, ECOR and RDW moved with a correlation of 0.42, which is moderate. The relationship has been stable: the 1-year correlation (0.49) sits close to the 3-year figure. Over 5 years the correlation is 0.28, and the annualized covariance of weekly returns is 3596.9 %².

Few assets follow ECOR as closely as RDW, which ranks #3 of 12 tracked partners. Correlation aside, the last 12 months split them widely, with ECOR ahead by 49.6 points (+75.0% versus +25.4%).

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.

ECOR vs RDW: side by side

ECOR (electroCore, Inc.)RDW (Redwire Corporation)
1-year return+75.0%+25.4%
5-year return-37.8%+12.9%
Volatility (ann.)83.7%101.5%
Beta vs S&P 5001.733.01
Max drawdown (3Y)-77.7%-80.3%
Market cap$0.1B$2.8B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: ECOR -77.7% vs -80.3%Higher 5y return: RDW +12.9% vs -37.8%
-36%0%+195%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. ECOR · RDW

Year-by-year returns

YearECORRDW
2022-55.9%-70.7%
2023+54.4%+43.9%
2024+172.3%+477.5%
2025-72.3%-53.8%
2026+116.5%+48.3%

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

Are ECOR and RDW good diversifiers for each other?

Reasonably. At 0.42, ECOR and RDW keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between ECOR and RDW?

As of 2026-08-27, the correlation of weekly returns between ECOR and RDW is 0.42 over 3 years, 0.49 over 1 year and 0.28 over 5 years.

Is RDW a good diversifier for ECOR?

Reasonably. At 0.42, ECOR and RDW keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.42 mean?

On the −1 to +1 scale, 0.42 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

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ECOR vs RDW: 3-year weekly correlation 0.42ECOR vs RDW0.42

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Related comparisons

Hubs: ECOR correlations · RDW correlations