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MGY vs SND: Correlation

How closely do Magnolia Oil & Gas Corporation (MGY) and Smart Sand, Inc. (SND) trade together? Their weekly returns over three years give a correlation of 0.52, which is moderate.

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

Correlation (3Y)
0.52
moderate
Correlation (1Y)
0.39
last 12 months
Correlation (5Y)
0.52
long-run
Ann. covariance
959.8
%² · weekly, annualized

How correlated are MGY and SND?

Across a 3-year window, the weekly returns of MGY and SND correlate at 0.52, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.39 versus 0.52 over 3 years. Stretching to 5 years gives 0.52, with an annualized covariance of 959.8 %².

Within MGY's tracked universe of 28 assets, SND comes in at #19 by 3-year correlation. Correlation aside, the last 12 months split them widely, with SND ahead by 158.9 points (+10.6% versus +169.5%). One caveat on sizing: SND is 1.8 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

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.

MGY vs SND: side by side

MGY (Magnolia Oil & Gas Corporation)SND (Smart Sand, Inc.)
1-year return+10.6%+169.5%
5-year return+92.1%+141.8%
Volatility (ann.)32.0%57.5%
Beta vs S&P 5000.400.34
Max drawdown (3Y)-31.5%-33.3%
Market cap$6.5B$0.2B
P/E (trailing)11.519.4
Dividend yield2.50%0.00%
Sector / categoryUS ListedUS Listed
Lower P/E: MGY 11.5 vs 19.4Higher yield: MGY 2.50% vs 0.00%Smaller drawdown: MGY -31.5% vs -33.3%Higher 5y return: SND +141.8% vs +92.1%
-8%0%+196%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). MGY · SND

Year-by-year returns

YearMGYSND
2022+26.5%+0.6%
2023-7.3%+7.8%
2024+12.2%+22.1%
2025-3.8%+89.8%
2026+24.1%+31.3%

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

Are MGY and SND good diversifiers for each other?

Somewhat, no more. With 0.52 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between MGY and SND?

The MGY/SND correlation stands at 0.52 on a 3-year window (1 year: 0.39, 5 years: 0.52), computed from weekly returns as of 2026-08-27.

Is SND a good diversifier for MGY?

Somewhat, no more. With 0.52 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.52 mean?

On the −1 to +1 scale, 0.52 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/mgy-vs-snd.json

MGY vs SND: 3-year weekly correlation 0.52MGY vs SND0.52

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Related comparisons

Hubs: MGY correlations · SND correlations