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BLKB vs TCX: Correlation

Blackbaud, Inc. (BLKB) and Tucows Inc. (TCX) show a moderate relationship: their 3-year correlation of weekly returns is 0.44.

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

Correlation (3Y)
0.44
moderate
Correlation (1Y)
0.55
last 12 months
Correlation (5Y)
0.34
long-run
Ann. covariance
1258.3
%² · weekly, annualized

How correlated are BLKB and TCX?

Across a 3-year window, the weekly returns of BLKB and TCX correlate at 0.44, moderate. Lately the two have moved closer together, with the 1-year correlation at 0.55 versus 0.44 over 3 years. Stretching to 5 years gives 0.34, with an annualized covariance of 1258.3 %².

Among the 16 assets we track against BLKB, TCX ranks #9 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months BLKB outperformed by 20.3 percentage points (-27.0% for BLKB against -47.3% for TCX). Risk is not evenly split, since TCX carries 1.8 times the volatility of the other side.

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.

BLKB vs TCX: side by side

BLKB (Blackbaud, Inc.)TCX (Tucows Inc.)
1-year return-27.0%-47.3%
5-year return-30.1%-86.5%
Volatility (ann.)39.2%72.4%
Beta vs S&P 5000.811.23
Max drawdown (3Y)-69.8%-69.3%
Market cap$2.2B$0.1B
P/E (trailing)14.7
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: TCX -69.3% vs -69.8%Higher 5y return: BLKB -30.1% vs -86.5%
-59%0%+39%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). BLKB · TCX

Year-by-year returns

YearBLKBTCX
2022-25.5%-59.5%
2023+47.3%-20.4%
2024-14.7%-36.5%
2025-14.3%+30.8%
2026-23.3%-55.5%

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

Are BLKB and TCX good diversifiers for each other?

Reasonably. At 0.44, BLKB and TCX keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between BLKB and TCX?

As of 2026-08-27, the correlation of weekly returns between BLKB and TCX is 0.44 over 3 years, 0.55 over 1 year and 0.34 over 5 years.

Is TCX a good diversifier for BLKB?

Reasonably. At 0.44, BLKB and TCX keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.44 mean?

A reading of 0.44 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

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BLKB vs TCX: 3-year weekly correlation 0.44BLKB vs TCX0.44

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Related comparisons

Hubs: BLKB correlations · TCX correlations