POCI vs QQQ: Correlation
Precision Optics Corporation, Inc. (POCI) and Invesco QQQ Trust (QQQ) show a weak relationship: their 3-year correlation of weekly returns is 0.13.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are POCI and QQQ?
On 3 years of weekly data the POCI/QQQ correlation comes out at 0.13, weak. Recent behaviour matches the longer record: 0.13 over 1 year against 0.13 over 3. The 5-year figure is 0.11, and annualized covariance runs at 104.2 %².
Out of 10 assets tracked against POCI, QQQ lands near the bottom at #7. The last year tells two different stories: QQQ led by 37.0 percentage points, -10.7% for POCI against +26.3% for QQQ. Risk is not evenly split, since POCI carries 2.2 times the volatility of the other side.
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 QQQ: side by side
| POCI (Precision Optics Corporation, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -10.7% | +26.3% |
| 5-year return | -21.9% | +95.4% |
| Volatility (ann.) | 42.5% | 19.6% |
| Beta vs S&P 500 | 0.45 | 1.28 |
| Max drawdown (3Y) | -45.4% | -22.8% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | US Listed | ETF · US Growth & Tech |
QQQ is a Large Growth fund from Invesco: $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | POCI | QQQ |
|---|---|---|
| 2022 | -22.6% | -32.6% |
| 2023 | +8.1% | +54.9% |
| 2024 | -19.9% | +25.6% |
| 2025 | -13.1% | +20.8% |
| 2026 | +5.7% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are POCI and QQQ good diversifiers for each other?
Yes: at 0.13, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between POCI and QQQ?
The POCI/QQQ correlation stands at 0.13 on a 3-year window (1 year: 0.13, 5 years: 0.11), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for POCI?
Yes: at 0.13, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of 0.13 mean?
A reading of 0.13 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/poci-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/poci-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: POCI correlations · QQQ correlations
