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C vs OPY: Correlation

Measured on weekly returns over the past three years, Citigroup (C) and Oppenheimer Holdings, Inc. (OPY) carry a correlation of 0.64, a strong link.

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

Correlation (3Y)
0.64
strong
Correlation (1Y)
0.66
last 12 months
Correlation (5Y)
0.55
long-run
Ann. covariance
583.6
%² · weekly, annualized

How correlated are C and OPY?

Across a 3-year window, the weekly returns of C and OPY correlate at 0.64, strong. Little has changed lately, as the 1-year reading of 0.66 lands near the 3-year figure. Stretching to 5 years gives 0.55, with an annualized covariance of 583.6 %².

Within C's tracked universe of 33 assets, OPY comes in at #20 by 3-year correlation. Correlation aside, the last 12 months split them widely, with OPY ahead by 32.0 points (+39.9% versus +71.9%).

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.

C vs OPY: side by side

C (Citigroup)OPY (Oppenheimer Holdings, Inc.)
1-year return+39.9%+71.9%
5-year return+119.6%+185.5%
Volatility (ann.)30.3%30.2%
Beta vs S&P 5001.390.93
Max drawdown (3Y)-31.3%-29.4%
Market cap$222.6B$1.3B
P/E (trailing)14.413.3
Dividend yield1.80%0.66%
Sector / categoryFinancialsUS Listed
Lower P/E: OPY 13.3 vs 14.4Higher yield: C 1.80% vs 0.66%Smaller drawdown: OPY -29.4% vs -31.3%Higher 5y return: OPY +185.5% vs +119.6%
-9%0%+69%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. C · OPY

Year-by-year returns

YearCOPY
2022-22.1%-7.2%
2023+19.0%-0.9%
2024+41.9%+57.3%
2025+70.4%+15.6%
2026+15.4%+67.0%

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

Are C and OPY good diversifiers for each other?

To a limited degree. At 0.64 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between C and OPY?

As of 2026-08-27, the correlation of weekly returns between C and OPY is 0.64 over 3 years, 0.66 over 1 year and 0.55 over 5 years.

Is OPY a good diversifier for C?

To a limited degree. At 0.64 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.64 mean?

A reading of 0.64 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/c-vs-opy.json

C vs OPY: 3-year weekly correlation 0.64C vs OPY0.64

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Related comparisons

Hubs: C correlations · OPY correlations