EZGO vs OSIS: Correlation
EZGO Technologies Ltd. (EZGO) and OSI Systems, Inc. (OSIS) show a moderate relationship: their 3-year correlation of weekly returns is 0.33.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EZGO and OSIS?
Across a 3-year window, the weekly returns of EZGO and OSIS correlate at 0.33, moderate. The link has tightened recently: the 1-year correlation (0.46) runs above the 3-year figure (0.33). Stretching to 5 years gives 0.28, with an annualized covariance of 1503.6 %².
OSIS is one of the assets that tracks EZGO most closely: it ranks #2 out of the 12 assets we track against EZGO. Correlation aside, the last 12 months split them widely, with OSIS ahead by 91.4 points (-99.9% versus -8.5%). Note the risk asymmetry: EZGO runs 3.1 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.
EZGO vs OSIS: side by side
| EZGO (EZGO Technologies Ltd.) | OSIS (OSI Systems, Inc.) | |
|---|---|---|
| 1-year return | -99.9% | -8.5% |
| 5-year return | -100.0% | +113.6% |
| Volatility (ann.) | 118.7% | 38.1% |
| Beta vs S&P 500 | 1.16 | 1.39 |
| Max drawdown (3Y) | -100.0% | -36.2% |
| Market cap | – | $3.4B |
| P/E (trailing) | – | 23.6 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | EZGO | OSIS |
|---|---|---|
| 2022 | -55.2% | -14.7% |
| 2023 | -82.8% | +62.3% |
| 2024 | -82.2% | +29.7% |
| 2025 | -90.3% | +52.3% |
| 2026 | -99.7% | -17.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EZGO and OSIS good diversifiers for each other?
A fair diversifier. At 0.33, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between EZGO and OSIS?
As of 2026-08-27, the correlation of weekly returns between EZGO and OSIS is 0.33 over 3 years, 0.46 over 1 year and 0.28 over 5 years.
Is OSIS a good diversifier for EZGO?
A fair diversifier. At 0.33, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.33 mean?
On the −1 to +1 scale, 0.33 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/ezgo-vs-osis.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ezgo-vs-osis/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: EZGO correlations · OSIS correlations
