MODD vs ZSTK: Correlation
Modular Medical, Inc. (MODD) and ZeroStack Corp. (ZSTK) show a moderate relationship: their 3-year correlation of weekly returns is 0.34.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MODD and ZSTK?
Over the past 3 years, MODD and ZSTK moved with a correlation of 0.34, which is moderate. The past 12 months show a tighter link (0.52) than the 3-year average (0.34). Over 5 years the correlation is 0.22, and the annualized covariance of weekly returns is 4237.4 %².
Within MODD's tracked universe of 10 assets, ZSTK comes in at #5 by 3-year correlation. Over the last 12 months ZSTK came out ahead by 10.4 percentage points (-83.8% against -73.4%). Risk is not evenly split, since ZSTK carries 1.9 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.
MODD vs ZSTK: side by side
| MODD (Modular Medical, Inc.) | ZSTK (ZeroStack Corp.) | |
|---|---|---|
| 1-year return | -83.8% | -73.4% |
| 5-year return | -96.8% | -99.9% |
| Volatility (ann.) | 81.8% | 153.8% |
| Beta vs S&P 500 | 1.03 | 2.10 |
| Max drawdown (3Y) | -97.4% | -99.1% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | MODD | ZSTK |
|---|---|---|
| 2022 | – | -87.2% |
| 2023 | -9.0% | -70.4% |
| 2024 | -24.7% | -23.7% |
| 2025 | -73.4% | -84.4% |
| 2026 | -66.9% | -6.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MODD and ZSTK good diversifiers for each other?
Reasonably. At 0.34, MODD and ZSTK keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between MODD and ZSTK?
As of 2026-08-27, the correlation of weekly returns between MODD and ZSTK is 0.34 over 3 years, 0.52 over 1 year and 0.22 over 5 years.
Is ZSTK a good diversifier for MODD?
Reasonably. At 0.34, MODD and ZSTK keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.34 mean?
A reading of 0.34 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
$ curl https://www.pairbook.io/api/v1/pairs/modd-vs-zstk.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/modd-vs-zstk/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: MODD correlations · ZSTK correlations
