POCI vs SONO: Correlation
Measured on weekly returns over the past three years, Precision Optics Corporation, Inc. (POCI) and Sonos, Inc. (SONO) carry a correlation of 0.30, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are POCI and SONO?
Across a 3-year window, the weekly returns of POCI and SONO correlate at 0.30, moderate. Recent behaviour matches the longer record: 0.24 over 1 year against 0.30 over 3. Stretching to 5 years gives 0.20, with an annualized covariance of 567.7 %².
By 3-year correlation, SONO places #5 of the 10 assets tracked against POCI. Correlation aside, the last 12 months split them widely, with SONO ahead by 19.0 points (-10.7% versus +8.3%).
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.
POCI vs SONO: side by side
| POCI (Precision Optics Corporation, Inc.) | SONO (Sonos, Inc.) | |
|---|---|---|
| 1-year return | -10.7% | +8.3% |
| 5-year return | -21.9% | -61.8% |
| Volatility (ann.) | 42.5% | 44.8% |
| Beta vs S&P 500 | 0.45 | 1.66 |
| Max drawdown (3Y) | -45.4% | -60.5% |
| Market cap | – | $1.8B |
| P/E (trailing) | – | 33.6 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | POCI | SONO |
|---|---|---|
| 2022 | -22.6% | -43.3% |
| 2023 | +8.1% | +1.4% |
| 2024 | -19.9% | -12.3% |
| 2025 | -13.1% | +16.8% |
| 2026 | +5.7% | -14.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are POCI and SONO good diversifiers for each other?
A fair diversifier. At 0.30, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between POCI and SONO?
The POCI/SONO correlation stands at 0.30 on a 3-year window (1 year: 0.24, 5 years: 0.20), computed from weekly returns as of 2026-08-27.
Is SONO a good diversifier for POCI?
A fair diversifier. At 0.30, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.30 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/poci-vs-sono.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/poci-vs-sono/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: POCI correlations · SONO correlations
