PairBook
HomeFMAO › FMAO vs GCBC

FMAO vs GCBC: Correlation

How closely do Farmers & Merchants Bancorp, Inc. (FMAO) and Greene County Bancorp, Inc. (GCBC) trade together? Their weekly returns over three years give a correlation of 0.65, which is strong.

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

Correlation (3Y)
0.65
strong
Correlation (1Y)
0.62
last 12 months
Correlation (5Y)
0.51
long-run
Ann. covariance
951.9
%² · weekly, annualized

How correlated are FMAO and GCBC?

On 3 years of weekly data the FMAO/GCBC correlation comes out at 0.65, strong. The relationship has been stable: the 1-year correlation (0.62) sits close to the 3-year figure. The 5-year figure is 0.51, and annualized covariance runs at 951.9 %².

By 3-year correlation, GCBC places #8 of the 19 assets tracked against FMAO. Their recent paths diverged sharply: over the last 12 months GCBC outperformed by 15.7 percentage points (+31.4% for FMAO against +47.1% for GCBC).

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.

FMAO vs GCBC: side by side

FMAO (Farmers & Merchants Bancorp, Inc.)GCBC (Greene County Bancorp, Inc.)
1-year return+31.4%+47.1%
5-year return+78.8%+139.6%
Volatility (ann.)36.2%40.5%
Beta vs S&P 5000.900.75
Max drawdown (3Y)-35.0%-42.9%
Market cap$0.5B$0.6B
P/E (trailing)11.614.4
Dividend yield2.72%1.15%
Sector / categoryUS ListedUS Listed
Lower P/E: FMAO 11.6 vs 14.4Higher yield: FMAO 2.72% vs 1.15%Smaller drawdown: FMAO -35.0% vs -42.9%Higher 5y return: GCBC +139.6% vs +78.8%
-10%0%+52%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). FMAO · GCBC

Year-by-year returns

YearFMAOGCBC
2022-14.9%+57.9%
2023-5.3%-0.6%
2024+23.1%-0.6%
2025-13.0%-18.5%
2026+39.4%+57.6%

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

Are FMAO and GCBC good diversifiers for each other?

Only partially. A correlation of 0.65 means FMAO and GCBC share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

FAQ

What is the correlation between FMAO and GCBC?

As of 2026-08-27, the correlation of weekly returns between FMAO and GCBC is 0.65 over 3 years, 0.62 over 1 year and 0.51 over 5 years.

Is GCBC a good diversifier for FMAO?

Only partially. A correlation of 0.65 means FMAO and GCBC share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.65 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

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

FMAO vs GCBC: 3-year weekly correlation 0.65FMAO vs GCBC0.65

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

[![FMAO vs GCBC correlation](https://www.pairbook.io/api/v1/badge/fmao-vs-gcbc.svg)](https://www.pairbook.io/pair/fmao-vs-gcbc/)

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

Related comparisons

Hubs: FMAO correlations · GCBC correlations