RDGT vs SST: Correlation
How closely do Ridgetech, Inc. (RDGT) and System1, Inc. (SST) trade together? Their weekly returns over three years give a correlation of -0.25, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RDGT and SST?
On 3 years of weekly data the RDGT/SST correlation comes out at -0.25, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.45 versus -0.25 over 3 years. The 5-year figure is -0.18, and annualized covariance runs at -4672.6 %².
Within RDGT's tracked universe of 21 assets, SST comes in at #14 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months SST outperformed by 24.0 percentage points (-99.5% for RDGT against -75.5% for SST).
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.
RDGT vs SST: side by side
| RDGT (Ridgetech, Inc.) | SST (System1, Inc.) | |
|---|---|---|
| 1-year return | -99.5% | -75.5% |
| 5-year return | -100.0% | -98.1% |
| Volatility (ann.) | 120.7% | 151.9% |
| Beta vs S&P 500 | 0.28 | 0.94 |
| Max drawdown (3Y) | -99.9% | -95.2% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | RDGT | SST |
|---|---|---|
| 2022 | -21.5% | -52.9% |
| 2023 | -93.9% | -52.7% |
| 2024 | -59.8% | -59.5% |
| 2025 | +61.0% | -56.3% |
| 2026 | -99.8% | -52.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RDGT and SST good diversifiers for each other?
By historical standards, yes. A correlation of -0.25 means the two rarely move for the same reasons.
FAQ
What is the correlation between RDGT and SST?
The RDGT/SST correlation stands at -0.25 on a 3-year window (1 year: -0.45, 5 years: -0.18), computed from weekly returns as of 2026-08-27.
Is SST a good diversifier for RDGT?
By historical standards, yes. A correlation of -0.25 means the two rarely move for the same reasons.
What does a correlation of -0.25 mean?
On the −1 to +1 scale, -0.25 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/rdgt-vs-sst.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/rdgt-vs-sst/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: RDGT correlations · SST correlations