DCOY vs FEIM: Correlation
How closely do Decoy Therapeutics Inc. (DCOY) and Frequency Electronics, Inc. (FEIM) trade together? Their weekly returns over three years give a correlation of 0.37, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DCOY and FEIM?
On 3 years of weekly data the DCOY/FEIM correlation comes out at 0.37, moderate. Little has changed lately, as the 1-year reading of 0.34 lands near the 3-year figure. The 5-year figure is 0.27, and annualized covariance runs at 3173.4 %².
In DCOY's tracked universe of 10 assets, FEIM sits right near the top at #3. Their recent paths diverged sharply: over the last 12 months FEIM outperformed by 192.8 percentage points (-95.8% for DCOY against +97.0% for FEIM). Note the risk asymmetry: DCOY runs 1.7 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.
DCOY vs FEIM: side by side
| DCOY (Decoy Therapeutics Inc.) | FEIM (Frequency Electronics, Inc.) | |
|---|---|---|
| 1-year return | -95.8% | +97.0% |
| 5-year return | -100.0% | +639.1% |
| Volatility (ann.) | 120.2% | 70.8% |
| Beta vs S&P 500 | 1.56 | 1.11 |
| Max drawdown (3Y) | -99.8% | -33.0% |
| Market cap | – | $0.7B |
| P/E (trailing) | 0.0 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | DCOY | FEIM |
|---|---|---|
| 2022 | -87.7% | -29.4% |
| 2023 | -57.5% | +80.9% |
| 2024 | -64.6% | +83.2% |
| 2025 | -97.6% | +190.7% |
| 2026 | -61.9% | +18.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DCOY and FEIM good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between DCOY and FEIM?
The DCOY/FEIM correlation stands at 0.37 on a 3-year window (1 year: 0.34, 5 years: 0.27), computed from weekly returns as of 2026-08-27.
Is FEIM a good diversifier for DCOY?
Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.37 mean?
On the −1 to +1 scale, 0.37 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/dcoy-vs-feim.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/dcoy-vs-feim/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: DCOY correlations · FEIM correlations
