PairBook
HomeAUBN › AUBN vs FTEK

AUBN vs FTEK: Correlation

How closely do Auburn National Bancorporation, Inc. (AUBN) and Fuel Tech, Inc. (FTEK) trade together? Their weekly returns over three years give a correlation of 0.29, which is weak.

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

Correlation (3Y)
0.29
weak
Correlation (1Y)
0.24
last 12 months
Correlation (5Y)
0.21
long-run
Ann. covariance
532.9
%² · weekly, annualized

How correlated are AUBN and FTEK?

Across a 3-year window, the weekly returns of AUBN and FTEK correlate at 0.29, weak. Recent behaviour matches the longer record: 0.24 over 1 year against 0.29 over 3. Stretching to 5 years gives 0.21, with an annualized covariance of 532.9 %².

In AUBN's tracked universe of 12 assets, FTEK sits right near the top at #3. Their recent paths diverged sharply: over the last 12 months AUBN outperformed by 59.9 percentage points (+10.1% for AUBN against -49.8% for FTEK). Note the risk asymmetry: FTEK runs 1.8 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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.

AUBN vs FTEK: side by side

AUBN (Auburn National Bancorporation, Inc.)FTEK (Fuel Tech, Inc.)
1-year return+10.1%-49.8%
5-year return-4.9%-21.1%
Volatility (ann.)31.8%58.1%
Beta vs S&P 5000.040.70
Max drawdown (3Y)-24.5%-67.2%
Market cap$0.1B
P/E (trailing)10.9
Dividend yield4.06%0.00%
Sector / categoryUS ListedUS Listed
Higher yield: AUBN 4.06% vs 0.00%Smaller drawdown: AUBN -24.5% vs -67.2%Higher 5y return: AUBN -4.9% vs -21.1%
-58%0%+26%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. AUBN · FTEK

Year-by-year returns

YearAUBNFTEK
2022-26.0%-9.3%
2023-2.8%-17.3%
2024+16.3%+0.0%
2025+20.2%+48.6%
2026-0.2%-6.4%

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

Are AUBN and FTEK good diversifiers for each other?

A fair diversifier. At 0.29, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between AUBN and FTEK?

The AUBN/FTEK correlation stands at 0.29 on a 3-year window (1 year: 0.24, 5 years: 0.21), computed from weekly returns as of 2026-08-27.

Is FTEK a good diversifier for AUBN?

A fair diversifier. At 0.29, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.29 mean?

On the −1 to +1 scale, 0.29 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/aubn-vs-ftek.json

AUBN vs FTEK: 3-year weekly correlation 0.29AUBN vs FTEK0.29

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

[![AUBN vs FTEK correlation](https://www.pairbook.io/api/v1/badge/aubn-vs-ftek.svg)](https://www.pairbook.io/pair/aubn-vs-ftek/)

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: AUBN correlations · FTEK correlations