ETCMY vs. ASTS

Last updated Jun 5, 2026

ETCMY (Eutelsat Communications SA ADR) and ASTS (AST SpaceMobile, Inc.) are both stocks. ETCMY operates in Communication Equipment (Technology), while ASTS operates in Telecom Services (Communication Services). Over the past 5 years, ETCMY returned -18.93%/yr vs 62.62%/yr for ASTS. At a 0.07 correlation, their price movements are largely independent.

Performance

ETCMY vs. ASTS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Eutelsat Communications SA ADR (ETCMY) 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, ETCMY achieves a 89.73% return, which is significantly higher than ASTS's 28.87% return.

ETCMY

• 1D: -0.84%
• 1M: 19.62%
• YTD: 89.73%
• 6M: 10.87%
• 1Y: -1.91%
• 3Y*: -15.74%
• 5Y*: -18.93%
• 10Y*: -9.60%

ASTS

• 1D: -12.76%
• 1M: 32.43%
• YTD: 28.87%
• 6M: 26.62%
• 1Y: 203.40%
• 3Y*: 152.27%
• 5Y*: 62.62%
• 10Y*: —

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

ETCMY vs. ASTS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
ETCMY Eutelsat Communications SA ADR	89.73%	1.53%	-54.54%	-40.43%	-33.83%	14.55%	-22.20%	-8.33%
ASTS AST SpaceMobile, Inc.	28.87%	244.22%	249.92%	25.10%	-39.29%	-41.53%	37.59%	1.02%

Correlation

The correlation between ETCMY and ASTS is 0.14, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.14
Correlation (3Y) Calculated over the trailing 3-year period	0.10
Correlation (5Y) Calculated over the trailing 5-year period	0.08
Correlation (All Time) Calculated using the full available price history since Nov 4, 2019	0.07

Fundamentals

Market Cap ETCMY : $4.62B ASTS : $27.21B
EPS ETCMY : -$0.43 ASTS : -$1.84
PS Ratio ETCMY : 1.31 ASTS : 292.45
PB Ratio ETCMY : 1.21 ASTS : 10.23
Total Revenue (TTM) ETCMY : $2.47B ASTS : $84.94M
Gross Profit (TTM) ETCMY : $1.10B ASTS : -$22.93M
EBITDA (TTM) ETCMY : $1.15B ASTS : -$536.80M

Return for Risk

ETCMY vs. ASTS — Risk / Return Rank

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

ETCMY

ETCMY Risk / Return Rank: 42
ETCMY Sharpe Ratio Rank: 40
ETCMY Sortino Ratio Rank: 45
ETCMY Omega Ratio Rank: 45
ETCMY Calmar Ratio Rank: 40
ETCMY Martin Ratio Rank: 40

ASTS

ASTS Risk / Return Rank: 84
ASTS Sharpe Ratio Rank: 87
ASTS Sortino Ratio Rank: 83
ASTS Omega Ratio Rank: 78
ASTS Calmar Ratio Rank: 89
ASTS Martin Ratio Rank: 85

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.

ETCMY vs. ASTS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Eutelsat Communications SA ADR (ETCMY) 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.

	ETCMY	ASTS	Difference
Sharpe ratio: Return per unit of total volatility	-0.02	1.96	-1.98
Sortino ratio: Return per unit of downside risk	0.61	2.48	-1.88
Omega ratio: Gain probability vs. loss probability	1.08	1.29	-0.21
Calmar ratio: Return relative to maximum drawdown	-0.03	4.29	-4.33
Martin ratio: Return relative to average drawdown	-0.06	8.52	-8.58
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ETCMY vs. ASTS - Sharpe Ratio Comparison

The current ETCMY Sharpe Ratio is -0.02, which is lower than the ASTS Sharpe Ratio of 1.96. The chart below compares the historical Sharpe Ratios of ETCMY 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

	ETCMY	ASTS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.02	1.96	-1.98
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.19	0.56	-0.75
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.12	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.14	0.41	-0.55

Drawdowns

ETCMY vs. ASTS - Drawdown Comparison

The maximum ETCMY drawdown since its inception was -93.42%, roughly equal to the maximum ASTS drawdown of -91.07%. Use the drawdown chart below to compare losses from any high point for ETCMY and ASTS.

Drawdown Indicators

	ETCMY	ASTS	Difference
Max Drawdown Largest peak-to-trough decline	-93.42%	-91.07%	-2.35%
Max Drawdown (1Y) Largest decline over 1 year	-57.97%	-47.69%	-10.28%
Max Drawdown (3Y) Largest decline over 3 years	-81.47%	-70.66%	-10.81%
Max Drawdown (5Y) Largest decline over 5 years	-90.44%	-85.57%	-4.87%
Max Drawdown (10Y) Largest decline over 10 years	-92.98%	—	—
Current Drawdown Current decline from peak	-80.42%	-29.67%	-50.75%
Average Drawdown Average peak-to-trough decline	-42.96%	-43.38%	+0.42%
Ulcer Index Depth and duration of drawdowns from previous peaks	34.57%	23.98%	+10.59%

Volatility

ETCMY vs. ASTS - Volatility Comparison

The current volatility for Eutelsat Communications SA ADR (ETCMY) is 35.99%, while AST SpaceMobile, Inc. (ASTS) has a volatility of 41.74%. This indicates that ETCMY 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

	ETCMY	ASTS	Difference
Volatility (1M) Calculated over the trailing 1-month period	35.99%	41.74%	-5.75%
Volatility (6M) Calculated over the trailing 6-month period	60.59%	84.51%	-23.92%
Volatility (1Y) Calculated over the trailing 1-year period	83.91%	104.85%	-20.94%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	102.64%	111.74%	-9.10%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	80.09%	100.56%	-20.47%

Dividends

ETCMY vs. ASTS - Dividend Comparison

Neither ETCMY nor ASTS has paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ASTS AST SpaceMobile, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
ETCMY Eutelsat Communications SA ADR	0.00%	0.00%	0.00%	0.00%	12.36%	8.66%	8.93%	8.51%	7.60%	6.21%	6.06%	3.86%

Financials

Frequently Asked Questions

Can I hold both ETCMY and ASTS in my portfolio?

ETCMY and ASTS have a correlation of 0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ETCMY or ASTS?

ASTS has higher volatility (41.74%) compared to ETCMY (35.99%). In terms of maximum drawdown, ETCMY dropped -93.42% vs ASTS's -91.07%.

Which has better risk-adjusted returns?

ASTS currently has the higher Sharpe Ratio (1.96 vs -0.02), 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.