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
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 500 | 1.73 | 3.01 |
| Max drawdown (3Y) | -77.7% | -80.3% |
| Market cap | $0.1B | $2.8B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ECOR | RDW |
|---|---|---|
| 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.
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Related comparisons
Hubs: ECOR correlations · RDW correlations