LOMA vs PDEX: Correlation
How closely do Loma Negra Compania Industrial Argentina Sociedad Anonima (LOMA) and Pro-Dex, Inc. (PDEX) trade together? Their weekly returns over three years give a correlation of 0.28, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LOMA and PDEX?
On 3 years of weekly data the LOMA/PDEX correlation comes out at 0.28, weak. Lately the two have moved closer together, with the 1-year correlation at 0.40 versus 0.28 over 3 years. The 5-year figure is 0.23, and annualized covariance runs at 782.8 %².
Within LOMA's tracked universe of 16 assets, PDEX comes in at #7 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months PDEX outperformed by 39.5 percentage points (+3.0% for LOMA against +42.5% for PDEX).
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.
LOMA vs PDEX: side by side
| LOMA (Loma Negra Compania Industrial Argentina Sociedad Anonima) | PDEX (Pro-Dex, Inc.) | |
|---|---|---|
| 1-year return | +3.0% | +42.5% |
| 5-year return | +76.0% | +152.4% |
| Volatility (ann.) | 47.1% | 59.6% |
| Beta vs S&P 500 | 0.64 | 0.17 |
| Max drawdown (3Y) | -48.3% | -65.3% |
| Market cap | $1.1B | $0.2B |
| P/E (trailing) | 38.7 | 17.5 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | LOMA | PDEX |
|---|---|---|
| 2022 | +26.6% | -31.5% |
| 2023 | +21.0% | +10.2% |
| 2024 | +68.4% | +166.8% |
| 2025 | +8.5% | -17.7% |
| 2026 | -25.3% | +68.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LOMA and PDEX good diversifiers for each other?
Reasonably. At 0.28, LOMA and PDEX keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between LOMA and PDEX?
As of 2026-08-27, the correlation of weekly returns between LOMA and PDEX is 0.28 over 3 years, 0.40 over 1 year and 0.23 over 5 years.
Is PDEX a good diversifier for LOMA?
Reasonably. At 0.28, LOMA and PDEX keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.28 mean?
A reading of 0.28 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/loma-vs-pdex.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/loma-vs-pdex/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: LOMA correlations · PDEX correlations
