GPAT vs ZSTK: Correlation
GP-Act III Acquisition Corp. - Class A (GPAT) and ZeroStack Corp. (ZSTK) show a negative relationship: their 3-year correlation of weekly returns is -0.30.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GPAT and ZSTK?
On 3 years of weekly data the GPAT/ZSTK correlation comes out at -0.30, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.37 lands near the 3-year figure. The 5-year figure is n/a, and annualized covariance runs at -146.4 %².
Among the 22 assets we track against GPAT, ZSTK sits near the bottom by co-movement, at rank #18. Their recent paths diverged sharply: over the last 12 months GPAT outperformed by 76.8 percentage points (+3.4% for GPAT against -73.4% for ZSTK). Risk is not evenly split, since ZSTK carries 48.1 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.
GPAT vs ZSTK: side by side
| GPAT (GP-Act III Acquisition Corp. - Class A) | ZSTK (ZeroStack Corp.) | |
|---|---|---|
| 1-year return | +3.4% | -73.4% |
| 5-year return | n/a | -99.9% |
| Volatility (ann.) | 3.2% | 153.8% |
| Beta vs S&P 500 | 0.05 | 2.10 |
| Max drawdown (3Y) | -2.1% | -99.1% |
| Market cap | $0.2B | $0.1B |
| P/E (trailing) | 44.6 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | GPAT | ZSTK |
|---|---|---|
| 2022 | – | -87.2% |
| 2023 | – | -70.4% |
| 2024 | – | -23.7% |
| 2025 | +5.4% | -84.4% |
| 2026 | +2.2% | -6.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GPAT and ZSTK good diversifiers for each other?
Yes: at -0.30, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between GPAT and ZSTK?
The GPAT/ZSTK correlation stands at -0.30 on a 3-year window (1 year: -0.37, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is ZSTK a good diversifier for GPAT?
Yes: at -0.30, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.30 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/gpat-vs-zstk.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/gpat-vs-zstk/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: GPAT correlations · ZSTK correlations
