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BJ vs MTEK: Correlation

BJ's Wholesale Club Holdings, Inc. (BJ) and Maris-Tech Ltd. (MTEK) show a negative relationship: their 3-year correlation of weekly returns is -0.22.

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

Correlation (3Y)
-0.22
negative
Correlation (1Y)
-0.32
last 12 months
Correlation (5Y)
-0.10
long-run
Ann. covariance
-512.7
%² · weekly, annualized

How correlated are BJ and MTEK?

On 3 years of weekly data the BJ/MTEK correlation comes out at -0.22, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.32 lands near the 3-year figure. The 5-year figure is -0.10, and annualized covariance runs at -512.7 %².

Among the 43 assets we track against BJ, MTEK ranks #27 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months BJ outperformed by 51.8 percentage points (-6.9% for BJ against -58.7% for MTEK). Risk is not evenly split, since MTEK carries 3.3 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.

BJ vs MTEK: side by side

BJ (BJ's Wholesale Club Holdings, Inc.)MTEK (Maris-Tech Ltd.)
1-year return-6.9%-58.7%
5-year return+59.5%-65.4%
Volatility (ann.)26.4%86.5%
Beta vs S&P 500-0.141.15
Max drawdown (3Y)-30.1%-83.2%
Market cap$11.4B
P/E (trailing)20.4
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: BJ -30.1% vs -83.2%Higher 5y return: BJ +59.5% vs -65.4%
-67%0%+39%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. BJ · MTEK

Year-by-year returns

YearBJMTEK
2022-1.2%
2023+0.8%+25.3%
2024+34.0%+384.6%
2025+0.8%-77.0%
2026+0.5%-6.0%

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

Are BJ and MTEK good diversifiers for each other?

Yes: at -0.22, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between BJ and MTEK?

Using weekly returns as of 2026-08-27: -0.22 over 3 years, with -0.32 over the last year and -0.10 over 5 years.

Is MTEK a good diversifier for BJ?

Yes: at -0.22, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.22 mean?

A reading of -0.22 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/bj-vs-mtek.json

BJ vs MTEK: 3-year weekly correlation -0.22BJ vs MTEK-0.22

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Related comparisons

Hubs: BJ correlations · MTEK correlations