MRAM vs T: Correlation
Everspin Technologies, Inc. (MRAM) and AT&T (T) 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
How correlated are MRAM and T?
Over the past 3 years, MRAM and T moved with a correlation of -0.22, which is negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.25 over 1 year against -0.22 over 3. Over 5 years the correlation is -0.10, and the annualized covariance of weekly returns is -337.9 %².
Among the 22 assets we track against MRAM, T sits near the bottom by co-movement, at rank #19. Correlation aside, the last 12 months split them widely, with MRAM ahead by 181.6 points (+173.2% versus -8.4%). One caveat on sizing: MRAM is 3.1 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.
MRAM vs T: side by side
| MRAM (Everspin Technologies, Inc.) | T (AT&T) | |
|---|---|---|
| 1-year return | +173.2% | -8.4% |
| 5-year return | +134.7% | +67.2% |
| Volatility (ann.) | 69.5% | 22.4% |
| Beta vs S&P 500 | 1.58 | 0.05 |
| Max drawdown (3Y) | -70.6% | -28.9% |
| Market cap | $0.4B | $174.3B |
| P/E (trailing) | – | 8.4 |
| Dividend yield | 0.00% | 4.29% |
| Sector / category | US Listed | Communication Services |
Year-by-year returns
| Year | MRAM | T |
|---|---|---|
| 2022 | -50.8% | +6.5% |
| 2023 | +62.6% | -2.7% |
| 2024 | -29.3% | +44.1% |
| 2025 | +45.2% | +14.0% |
| 2026 | +88.1% | +6.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MRAM and T 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 MRAM and T?
As of 2026-08-27, the correlation of weekly returns between MRAM and T is -0.22 over 3 years, -0.25 over 1 year and -0.10 over 5 years.
Is T a good diversifier for MRAM?
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?
On the −1 to +1 scale, -0.22 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.
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Related comparisons
Hubs: MRAM correlations · T correlations
