PairBook
HomeOCSL › OCSL vs QQQ

OCSL vs QQQ: Correlation

Oaktree Specialty Lending Corporation - Closed End Fund (OCSL) and Invesco QQQ Trust (QQQ) show a moderate relationship: their 3-year correlation of weekly returns is 0.32.

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

Correlation (3Y)
0.32
moderate
Correlation (1Y)
0.38
last 12 months
Correlation (5Y)
0.36
long-run
Ann. covariance
136.2
%² · weekly, annualized

How correlated are OCSL and QQQ?

Across a 3-year window, the weekly returns of OCSL and QQQ correlate at 0.32, moderate. The relationship has been stable: the 1-year correlation (0.38) sits close to the 3-year figure. Stretching to 5 years gives 0.36, with an annualized covariance of 136.2 %².

QQQ is close to the least connected end of OCSL's tracked universe, ranking #12 of 15. Correlation aside, the last 12 months split them widely, with QQQ ahead by 20.9 points (+5.4% versus +26.3%).

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.

OCSL vs QQQ: side by side

OCSL (Oaktree Specialty Lending Corporation - Closed End Fund)QQQ (Invesco QQQ Trust)
1-year return+5.4%+26.3%
5-year return+5.8%+95.4%
Volatility (ann.)21.7%19.6%
Beta vs S&P 5000.621.28
Max drawdown (3Y)-34.2%-22.8%
Market cap$1.1B
P/E (trailing)27.0
Dividend yield11.49%0.44%
Expense ratio0.18%
Assets under management$452.8B
Sector / categoryUS ListedETF · US Growth & Tech
Higher yield: OCSL 11.49% vs 0.44%Smaller drawdown: QQQ -22.8% vs -34.2%Higher 5y return: QQQ +95.4% vs +5.8%

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.

-16%0%+29%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. OCSL · QQQ

Year-by-year returns

YearOCSLQQQ
2022+3.7%-32.6%
2023+11.3%+54.9%
2024-15.1%+25.6%
2025-6.1%+20.8%
2026+8.7%+17.7%

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

Are OCSL and QQQ good diversifiers for each other?

A fair diversifier. At 0.32, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between OCSL and QQQ?

The OCSL/QQQ correlation stands at 0.32 on a 3-year window (1 year: 0.38, 5 years: 0.36), computed from weekly returns as of 2026-08-27.

Is QQQ a good diversifier for OCSL?

A fair diversifier. At 0.32, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.32 mean?

A reading of 0.32 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

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

OCSL vs QQQ: 3-year weekly correlation 0.32OCSL vs QQQ0.32

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

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

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

Related comparisons

Hubs: OCSL correlations · QQQ correlations