ITP vs STEM: Correlation
IT Tech Packaging, Inc. (ITP) and Stem, Inc. (STEM) show a moderate relationship: their 3-year correlation of weekly returns is 0.41.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ITP and STEM?
Over the past 3 years, ITP and STEM moved with a correlation of 0.41, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.18 versus 0.41 over 3 years. Over 5 years the correlation is 0.34, and the annualized covariance of weekly returns is 5054.7 %².
Within ITP's tracked universe of 10 assets, STEM comes in at #5 by 3-year correlation. The last year tells two different stories: ITP led by 55.1 percentage points, -9.8% for ITP against -64.9% for STEM.
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.
ITP vs STEM: side by side
| ITP (IT Tech Packaging, Inc.) | STEM (Stem, Inc.) | |
|---|---|---|
| 1-year return | -9.8% | -64.9% |
| 5-year return | -95.6% | -98.9% |
| Volatility (ann.) | 94.0% | 129.9% |
| Beta vs S&P 500 | 0.05 | 2.49 |
| Max drawdown (3Y) | -76.1% | -95.5% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ITP | STEM |
|---|---|---|
| 2022 | -80.0% | -52.9% |
| 2023 | -32.6% | -56.6% |
| 2024 | +93.5% | -84.5% |
| 2025 | -63.3% | +24.8% |
| 2026 | -18.0% | -62.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ITP and STEM good diversifiers for each other?
Reasonably. At 0.41, ITP and STEM keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ITP and STEM?
As of 2026-08-27, the correlation of weekly returns between ITP and STEM is 0.41 over 3 years, 0.18 over 1 year and 0.34 over 5 years.
Is STEM a good diversifier for ITP?
Reasonably. At 0.41, ITP and STEM keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.41 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/itp-vs-stem.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/itp-vs-stem/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ITP correlations · STEM correlations
