TSAT vs. ASTS

Last updated Jun 4, 2026

TSAT (Telesat Corporation) and ASTS (AST SpaceMobile, Inc.) are both stocks. TSAT operates in Communication Equipment (Technology), while ASTS operates in Telecom Services (Communication Services). Over the past 3 years, TSAT returned 84.79%/yr vs 167.63%/yr for ASTS. At a 0.36 correlation, their price movements are largely independent.

Performance

TSAT vs. ASTS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Telesat Corporation (TSAT) and AST SpaceMobile, Inc. (ASTS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TSAT achieves a 60.79% return, which is significantly higher than ASTS's 48.33% return.

TSAT

• 1D: -6.68%
• 1M: -3.76%
• YTD: 60.79%
• 6M: 74.65%
• 1Y: 191.98%
• 3Y*: 84.79%
• 5Y*: —
• 10Y*: —

ASTS

• 1D: -8.83%
• 1M: 57.43%
• YTD: 48.33%
• 6M: 75.34%
• 1Y: 327.84%
• 3Y*: 167.63%
• 5Y*: 67.26%
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

TSAT vs. ASTS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
TSAT Telesat Corporation	60.79%	77.01%	57.62%	39.07%	-73.84%	-27.42%
ASTS AST SpaceMobile, Inc.	48.33%	244.22%	249.92%	25.10%	-39.29%	-32.19%

Correlation

The correlation between TSAT and ASTS is 0.54, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.54
Correlation (3Y) Calculated over the trailing 3-year period	0.35
Correlation (All Time) Calculated using the full available price history since Nov 22, 2021	0.36

The correlation between TSAT and ASTS shifts across timeframes, from 0.35 (3 years) to 0.54 (1 year), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap TSAT : $700.88M ASTS : $31.32B
EPS TSAT : -$12.12 ASTS : -$1.84
PS Ratio TSAT : 1.84 ASTS : 336.59
PB Ratio TSAT : 1.35 ASTS : 11.77
Total Revenue (TTM) TSAT : $388.42M ASTS : $84.94M
Gross Profit (TTM) TSAT : $248.83M ASTS : -$22.93M
EBITDA (TTM) TSAT : $171.33M ASTS : -$536.80M

Return for Risk

TSAT vs. ASTS — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

TSAT

TSAT Risk / Return Rank: 89
TSAT Sharpe Ratio Rank: 91
TSAT Sortino Ratio Rank: 85
TSAT Omega Ratio Rank: 84
TSAT Calmar Ratio Rank: 93
TSAT Martin Ratio Rank: 90

ASTS

ASTS Risk / Return Rank: 91
ASTS Sharpe Ratio Rank: 95
ASTS Sortino Ratio Rank: 88
ASTS Omega Ratio Rank: 85
ASTS Calmar Ratio Rank: 95
ASTS Martin Ratio Rank: 91

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

TSAT vs. ASTS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Telesat Corporation (TSAT) and AST SpaceMobile, Inc. (ASTS). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	TSAT	ASTS	Difference
Sharpe ratio: Return per unit of total volatility	2.41	3.15	-0.74
Sortino ratio: Return per unit of downside risk	2.76	3.06	-0.30
Omega ratio: Gain probability vs. loss probability	1.35	1.36	-0.01
Calmar ratio: Return relative to maximum drawdown	5.87	6.93	-1.06
Martin ratio: Return relative to average drawdown	12.34	13.81	-1.47
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TSAT vs. ASTS - Sharpe Ratio Comparison

The current TSAT Sharpe Ratio is 2.41, which is comparable to the ASTS Sharpe Ratio of 3.15. The chart below compares the historical Sharpe Ratios of TSAT and ASTS, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	TSAT	ASTS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.41	3.15	-0.74
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.61	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.05	0.44	-0.39

Drawdowns

TSAT vs. ASTS - Drawdown Comparison

The maximum TSAT drawdown since its inception was -84.38%, smaller than the maximum ASTS drawdown of -91.07%. Use the drawdown chart below to compare losses from any high point for TSAT and ASTS.

Drawdown Indicators

	TSAT	ASTS	Difference
Max Drawdown Largest peak-to-trough decline	-84.38%	-91.07%	+6.69%
Max Drawdown (1Y) Largest decline over 1 year	-32.92%	-47.69%	+14.77%
Max Drawdown (3Y) Largest decline over 3 years	-67.51%	-70.66%	+3.15%
Max Drawdown (5Y) Largest decline over 5 years	—	-85.57%	—
Current Drawdown Current decline from peak	-20.03%	-19.05%	-0.98%
Average Drawdown Average peak-to-trough decline	-58.28%	-43.41%	-14.87%
Ulcer Index Depth and duration of drawdowns from previous peaks	15.63%	23.88%	-8.25%

Volatility

TSAT vs. ASTS - Volatility Comparison

The current volatility for Telesat Corporation (TSAT) is 19.64%, while AST SpaceMobile, Inc. (ASTS) has a volatility of 40.51%. This indicates that TSAT experiences smaller price fluctuations and is considered to be less risky than ASTS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TSAT	ASTS	Difference
Volatility (1M) Calculated over the trailing 1-month period	19.64%	40.51%	-20.87%
Volatility (6M) Calculated over the trailing 6-month period	60.49%	83.96%	-23.47%
Volatility (1Y) Calculated over the trailing 1-year period	80.03%	104.86%	-24.83%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	77.09%	111.63%	-34.54%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	77.09%	100.49%	-23.40%

Dividends

TSAT vs. ASTS - Dividend Comparison

Neither TSAT nor ASTS has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both TSAT and ASTS in my portfolio?

TSAT and ASTS have a correlation of 0.54, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TSAT or ASTS?

ASTS has higher volatility (40.51%) compared to TSAT (19.64%). In terms of maximum drawdown, TSAT dropped -84.38% vs ASTS's -91.07%.

Which has better risk-adjusted returns?

ASTS currently has the higher Sharpe Ratio (3.15 vs 2.41), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.