ASTS vs TSAT: Correlation
Measured on weekly returns over the past three years, AST SpaceMobile, Inc. (ASTS) and Telesat Corporation - Class A (TSAT) carry a correlation of 0.40, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ASTS and TSAT?
On 3 years of weekly data the ASTS/TSAT correlation comes out at 0.40, moderate. The relationship has been stable: the 1-year correlation (0.50) sits close to the 3-year figure. The 5-year figure is 0.32, and annualized covariance runs at 3647.5 %².
Few assets follow ASTS as closely as TSAT, which ranks #3 of 11 tracked partners. Correlation aside, the last 12 months split them widely, with TSAT ahead by 99.8 points (+27.3% versus +127.1%). Risk is not evenly split, since ASTS carries 1.6 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.
ASTS vs TSAT: side by side
| ASTS (AST SpaceMobile, Inc.) | TSAT (Telesat Corporation - Class A) | |
|---|---|---|
| 1-year return | +27.3% | +127.1% |
| 5-year return | +397.1% | +10.3% |
| Volatility (ann.) | 119.4% | 76.7% |
| Beta vs S&P 500 | 1.92 | 1.43 |
| Max drawdown (3Y) | -68.4% | -64.5% |
| Market cap | $23.9B | $2.3B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ASTS | TSAT |
|---|---|---|
| 2022 | -39.3% | -73.8% |
| 2023 | +25.1% | +39.1% |
| 2024 | +249.9% | +57.6% |
| 2025 | +244.2% | +77.0% |
| 2026 | -15.4% | +57.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ASTS and TSAT good diversifiers for each other?
A fair diversifier. At 0.40, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between ASTS and TSAT?
The ASTS/TSAT correlation stands at 0.40 on a 3-year window (1 year: 0.50, 5 years: 0.32), computed from weekly returns as of 2026-08-27.
Is TSAT a good diversifier for ASTS?
A fair diversifier. At 0.40, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.40 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/asts-vs-tsat.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/asts-vs-tsat/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ASTS correlations · TSAT correlations
