PairBook
HomeOPBK › OPBK vs QQQ

OPBK vs QQQ: Correlation

How closely do OP Bancorp (OPBK) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.21, which is weak.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.21
weak
Correlation (1Y)
0.04
last 12 months
Correlation (5Y)
0.28
long-run
Ann. covariance
125.9
%² · weekly, annualized

How correlated are OPBK and QQQ?

Across a 3-year window, the weekly returns of OPBK and QQQ correlate at 0.21, weak. Lately the two have drifted apart, with the 1-year correlation at 0.04 versus 0.21 over 3 years. Stretching to 5 years gives 0.28, with an annualized covariance of 125.9 %².

QQQ is close to the least connected end of OPBK's tracked universe, ranking #12 of 15. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 15.7 percentage points (+10.6% for OPBK against +26.3% for QQQ). Risk is not evenly split, since OPBK carries 1.5 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.

OPBK vs QQQ: side by side

OPBK (OP Bancorp)QQQ (Invesco QQQ Trust)
1-year return+10.6%+26.3%
5-year return+86.0%+95.4%
Volatility (ann.)30.2%19.6%
Beta vs S&P 5000.651.28
Max drawdown (3Y)-41.8%-22.8%
Market cap$0.2B
P/E (trailing)7.7
Dividend yield3.33%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryUS ListedETF · US Growth & Tech
Higher yield: OPBK 3.33% vs 0.44%Smaller drawdown: QQQ -22.8% vs -41.8%Higher 5y return: QQQ +95.4% vs +86.0%

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.

-11%0%+29%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. OPBK · QQQ

Year-by-year returns

YearOPBKQQQ
2022-9.3%-32.6%
2023+3.2%+54.9%
2024+50.5%+25.6%
2025-7.4%+20.8%
2026+10.4%+17.7%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are OPBK and QQQ good diversifiers for each other?

Reasonably. At 0.21, OPBK and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between OPBK and QQQ?

The OPBK/QQQ correlation stands at 0.21 on a 3-year window (1 year: 0.04, 5 years: 0.28), computed from weekly returns as of 2026-08-27.

Is QQQ a good diversifier for OPBK?

Reasonably. At 0.21, OPBK and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.21 mean?

On the −1 to +1 scale, 0.21 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/opbk-vs-qqq.json

OPBK vs QQQ: 3-year weekly correlation 0.21OPBK vs QQQ0.21

Embed this badge (it refreshes with the data), with attribution:

[![OPBK vs QQQ correlation](https://www.pairbook.io/api/v1/badge/opbk-vs-qqq.svg)](https://www.pairbook.io/pair/opbk-vs-qqq/)

No key needed, free to use. Full endpoint list in the API documentation.

Related comparisons

Hubs: OPBK correlations · QQQ correlations