PUBM vs VERX: Correlation
PubMatic, Inc. (PUBM) and Vertex, Inc. (VERX) show a moderate relationship: their 3-year correlation of weekly returns is 0.47.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PUBM and VERX?
Across a 3-year window, the weekly returns of PUBM and VERX correlate at 0.47, moderate. Recent behaviour matches the longer record: 0.38 over 1 year against 0.47 over 3. Stretching to 5 years gives 0.40, with an annualized covariance of 1562.0 %².
By 3-year correlation, VERX places #8 of the 17 assets tracked against PUBM. The last year tells two different stories: PUBM led by 135.1 percentage points, +91.7% for PUBM against -43.4% for VERX.
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.
PUBM vs VERX: side by side
| PUBM (PubMatic, Inc.) | VERX (Vertex, Inc.) | |
|---|---|---|
| 1-year return | +91.7% | -43.4% |
| 5-year return | -40.5% | -33.8% |
| Volatility (ann.) | 61.6% | 53.5% |
| Beta vs S&P 500 | 1.56 | 0.99 |
| Max drawdown (3Y) | -73.9% | -82.1% |
| Market cap | $0.7B | $2.3B |
| P/E (trailing) | – | 715.0 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PUBM | VERX |
|---|---|---|
| 2022 | -62.4% | -8.6% |
| 2023 | +27.3% | +85.7% |
| 2024 | -9.9% | +98.0% |
| 2025 | -39.6% | -62.6% |
| 2026 | +84.3% | -28.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PUBM and VERX good diversifiers for each other?
Reasonably. At 0.47, PUBM and VERX keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between PUBM and VERX?
As of 2026-08-27, the correlation of weekly returns between PUBM and VERX is 0.47 over 3 years, 0.38 over 1 year and 0.40 over 5 years.
Is VERX a good diversifier for PUBM?
Reasonably. At 0.47, PUBM and VERX keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.47 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/pubm-vs-verx.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/pubm-vs-verx/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PUBM correlations · VERX correlations
