EFOI vs TKO: Correlation
Measured on weekly returns over the past three years, Energy Focus, Inc. (EFOI) and TKO Group Holdings (TKO) carry a correlation of -0.15, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EFOI and TKO?
Across a 3-year window, the weekly returns of EFOI and TKO correlate at -0.15, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.20 over 1 year against -0.15 over 3. Stretching to 5 years gives -0.09, with an annualized covariance of -765.9 %².
Within EFOI's tracked universe of 17 assets, TKO comes in at #12 by 3-year correlation. Over the last 12 months EFOI came out ahead by 12.4 percentage points (+13.2% against +0.8%). Note the risk asymmetry: EFOI runs 4.9 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.
EFOI vs TKO: side by side
| EFOI (Energy Focus, Inc.) | TKO (TKO Group Holdings) | |
|---|---|---|
| 1-year return | +13.2% | +0.8% |
| 5-year return | -87.5% | +281.8% |
| Volatility (ann.) | 158.7% | 32.1% |
| Beta vs S&P 500 | 1.96 | 0.70 |
| Max drawdown (3Y) | -58.2% | -34.8% |
| Market cap | – | $34.9B |
| P/E (trailing) | – | 65.8 |
| Dividend yield | 0.00% | 1.66% |
| Sector / category | US Listed | Communication Services |
Year-by-year returns
| Year | EFOI | TKO |
|---|---|---|
| 2022 | -92.5% | +39.9% |
| 2023 | -32.6% | +23.9% |
| 2024 | -21.2% | +74.2% |
| 2025 | +94.1% | +48.9% |
| 2026 | +25.5% | -11.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EFOI and TKO good diversifiers for each other?
By historical standards, yes. A correlation of -0.15 means the two rarely move for the same reasons.
FAQ
What is the correlation between EFOI and TKO?
Using weekly returns as of 2026-08-27: -0.15 over 3 years, with -0.20 over the last year and -0.09 over 5 years.
Is TKO a good diversifier for EFOI?
By historical standards, yes. A correlation of -0.15 means the two rarely move for the same reasons.
What does a correlation of -0.15 mean?
A reading of -0.15 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/efoi-vs-tko.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/efoi-vs-tko/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: EFOI correlations · TKO correlations
