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ACB vs NTIC: Correlation

Aurora Cannabis Inc. (ACB) and Northern Technologies International Corporation (NTIC) show a negative relationship: their 3-year correlation of weekly returns is -0.21.

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

Correlation (3Y)
-0.21
negative
Correlation (1Y)
-0.14
last 12 months
Correlation (5Y)
-0.09
long-run
Ann. covariance
-698.4
%² · weekly, annualized

How correlated are ACB and NTIC?

Across a 3-year window, the weekly returns of ACB and NTIC correlate at -0.21, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.14) sits close to the 3-year figure. Stretching to 5 years gives -0.09, with an annualized covariance of -698.4 %².

Out of 15 assets tracked against ACB, NTIC lands near the bottom at #14. Their recent paths diverged sharply: over the last 12 months NTIC outperformed by 33.4 percentage points (-24.8% for ACB against +8.6% for NTIC). Note the risk asymmetry: ACB runs 2.7 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.

ACB vs NTIC: side by side

ACB (Aurora Cannabis Inc.)NTIC (Northern Technologies International Corporation)
1-year return-24.8%+8.6%
5-year return-94.4%-46.9%
Volatility (ann.)94.9%35.6%
Beta vs S&P 5001.230.01
Max drawdown (3Y)-73.8%-63.3%
Market cap$0.3B$0.1B
P/E (trailing)
Dividend yield0.00%0.37%
Sector / categoryUS ListedUS Listed
Higher yield: NTIC 0.37% vs 0.00%Smaller drawdown: NTIC -63.3% vs -73.8%Higher 5y return: NTIC -46.9% vs -94.4%
-46%0%+24%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. ACB · NTIC

Year-by-year returns

YearACBNTIC
2022-82.9%-10.9%
2023-48.4%-9.4%
2024-10.7%+16.7%
2025-0.7%-41.4%
2026-5.0%+3.2%

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

Are ACB and NTIC good diversifiers for each other?

Yes: at -0.21, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between ACB and NTIC?

Using weekly returns as of 2026-08-27: -0.21 over 3 years, with -0.14 over the last year and -0.09 over 5 years.

Is NTIC a good diversifier for ACB?

Yes: at -0.21, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.21 mean?

On the −1 to +1 scale, -0.21 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/acb-vs-ntic.json

ACB vs NTIC: 3-year weekly correlation -0.21ACB vs NTIC-0.21

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Hubs: ACB correlations · NTIC correlations