PairBook
HomeAAMI › AAMI vs BLK

AAMI vs BLK: Correlation

Measured on weekly returns over the past three years, Acadian Asset Management Inc. (AAMI) and BlackRock (BLK) carry a correlation of 0.59, a moderate link.

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

Correlation (3Y)
0.59
moderate
Correlation (1Y)
0.57
last 12 months
Correlation (5Y)
0.56
long-run
Ann. covariance
484.8
%² · weekly, annualized

How correlated are AAMI and BLK?

Over the past 3 years, AAMI and BLK moved with a correlation of 0.59, which is moderate. Little has changed lately, as the 1-year reading of 0.57 lands near the 3-year figure. Over 5 years the correlation is 0.56, and the annualized covariance of weekly returns is 484.8 %².

In AAMI's tracked universe of 12 assets, BLK sits right near the top at #1. Correlation aside, the last 12 months split them widely, with AAMI ahead by 87.6 points (+92.9% versus +5.3%).

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.

AAMI vs BLK: side by side

AAMI (Acadian Asset Management Inc.)BLK (BlackRock)
1-year return+92.9%+5.3%
5-year return+260.9%+38.9%
Volatility (ann.)33.4%24.7%
Beta vs S&P 5001.301.19
Max drawdown (3Y)-26.5%-23.7%
Market cap$3.5B$189.7B
P/E (trailing)33.828.1
Dividend yield0.32%1.86%
Sector / categoryUS ListedFinancials
Lower P/E: BLK 28.1 vs 33.8Higher yield: BLK 1.86% vs 0.32%Smaller drawdown: BLK -23.7% vs -26.5%Higher 5y return: AAMI +260.9% vs +38.9%
-15%0%+120%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. AAMI · BLK

Year-by-year returns

YearAAMIBLK
2022-19.4%-20.4%
2023-6.7%+17.9%
2024+37.7%+29.3%
2025+78.6%+6.6%
2026+107.7%+10.3%

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

Are AAMI and BLK good diversifiers for each other?

To a limited degree. At 0.59 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 AAMI and BLK?

The AAMI/BLK correlation stands at 0.59 on a 3-year window (1 year: 0.57, 5 years: 0.56), computed from weekly returns as of 2026-08-27.

Is BLK a good diversifier for AAMI?

To a limited degree. At 0.59 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 0.59 mean?

A reading of 0.59 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/aami-vs-blk.json

AAMI vs BLK: 3-year weekly correlation 0.59AAMI vs BLK0.59

Drop this badge in a README or notebook; it updates with the data:

[![AAMI vs BLK correlation](https://www.pairbook.io/api/v1/badge/aami-vs-blk.svg)](https://www.pairbook.io/pair/aami-vs-blk/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: AAMI correlations · BLK correlations