ASTI vs. SIDU

Last updated Jun 4, 2026

ASTI (Ascent Solar Technologies Inc.) and SIDU (Sidus Space, Inc.) are both stocks. ASTI operates in Solar (Technology), while SIDU operates in Aerospace & Defense (Industrials). Over the past 3 years, ASTI returned -85.75%/yr vs -40.17%/yr for SIDU. At a 0.13 correlation, their price movements are largely independent.

Performance

ASTI vs. SIDU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Ascent Solar Technologies Inc. (ASTI) and Sidus Space, Inc. (SIDU). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ASTI achieves a 68.13% return, which is significantly higher than SIDU's 36.62% return.

ASTI

• 1D: -22.01%
• 1M: 57.76%
• YTD: 68.13%
• 6M: 301.74%
• 1Y: 318.79%
• 3Y*: -85.75%
• 5Y*: -92.16%
• 10Y*: -78.17%

SIDU

• 1D: -12.63%
• 1M: 38.83%
• YTD: 36.62%
• 6M: 457.50%
• 1Y: 187.92%
• 3Y*: -40.17%
• 5Y*: —
• 10Y*: —

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

ASTI vs. SIDU - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
ASTI Ascent Solar Technologies Inc.	68.13%	25.69%	-96.24%	-99.73%	-86.96%	-40.48%
SIDU Sidus Space, Inc.	36.62%	-35.92%	-44.38%	-91.92%	-89.64%	-13.70%

Correlation

The correlation between ASTI and SIDU is 0.27, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.27
Correlation (3Y) Calculated over the trailing 3-year period	0.16
Correlation (All Time) Calculated using the full available price history since Dec 15, 2021	0.13

The correlation between ASTI and SIDU shifts across timeframes, from 0.13 (all time) to 0.27 (1 year), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap ASTI : $55.07M SIDU : $106.17M
EPS ASTI : -$2.15 SIDU : -$1.30
PS Ratio ASTI : 236.63 SIDU : 54.70
PB Ratio ASTI : 3.29 SIDU : 2.10
Total Revenue (TTM) ASTI : $113.09K SIDU : $1.78M
Gross Profit (TTM) ASTI : -$757.46K SIDU : -$5.69M
EBITDA (TTM) ASTI : -$7.98M SIDU : -$28.01M

Return for Risk

ASTI vs. SIDU — Risk / Return Rank

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

ASTI

ASTI Risk / Return Rank: 88
ASTI Sharpe Ratio Rank: 81
ASTI Sortino Ratio Rank: 92
ASTI Omega Ratio Rank: 89
ASTI Calmar Ratio Rank: 92
ASTI Martin Ratio Rank: 85

SIDU

SIDU Risk / Return Rank: 78
SIDU Sharpe Ratio Rank: 70
SIDU Sortino Ratio Rank: 85
SIDU Omega Ratio Rank: 83
SIDU Calmar Ratio Rank: 80
SIDU Martin Ratio Rank: 73

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.

ASTI vs. SIDU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Ascent Solar Technologies Inc. (ASTI) and Sidus Space, Inc. (SIDU). 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.

	ASTI	SIDU	Difference
Sharpe ratio: Return per unit of total volatility	1.47	0.98	+0.49
Sortino ratio: Return per unit of downside risk	3.45	2.75	+0.70
Omega ratio: Gain probability vs. loss probability	1.42	1.33	+0.09
Calmar ratio: Return relative to maximum drawdown	5.17	2.74	+2.43
Martin ratio: Return relative to average drawdown	8.80	4.54	+4.26
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ASTI vs. SIDU - Sharpe Ratio Comparison

The current ASTI Sharpe Ratio is 1.47, which is higher than the SIDU Sharpe Ratio of 0.98. The chart below compares the historical Sharpe Ratios of ASTI and SIDU, 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

	ASTI	SIDU	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.47	0.98	+0.49
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.57	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.01	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.01	-0.31	+0.30

Drawdowns

ASTI vs. SIDU - Drawdown Comparison

The maximum ASTI drawdown since its inception was -100.00%, roughly equal to the maximum SIDU drawdown of -99.95%. Use the drawdown chart below to compare losses from any high point for ASTI and SIDU.

Drawdown Indicators

	ASTI	SIDU	Difference
Max Drawdown Largest peak-to-trough decline	-100.00%	-99.95%	-0.05%
Max Drawdown (1Y) Largest decline over 1 year	-62.08%	-69.05%	+6.97%
Max Drawdown (3Y) Largest decline over 3 years	-99.96%	-97.12%	-2.84%
Max Drawdown (5Y) Largest decline over 5 years	-100.00%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-100.00%	—	—
Current Drawdown Current decline from peak	-100.00%	-99.65%	-0.35%
Average Drawdown Average peak-to-trough decline	-90.37%	-91.71%	+1.34%
Ulcer Index Depth and duration of drawdowns from previous peaks	36.42%	41.57%	-5.15%

Volatility

ASTI vs. SIDU - Volatility Comparison

The current volatility for Ascent Solar Technologies Inc. (ASTI) is 48.45%, while Sidus Space, Inc. (SIDU) has a volatility of 51.37%. This indicates that ASTI experiences smaller price fluctuations and is considered to be less risky than SIDU based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ASTI	SIDU	Difference
Volatility (1M) Calculated over the trailing 1-month period	48.45%	51.37%	-2.92%
Volatility (6M) Calculated over the trailing 6-month period	139.22%	154.32%	-15.10%
Volatility (1Y) Calculated over the trailing 1-year period	219.09%	192.94%	+26.15%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	161.89%	229.61%	-67.72%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	8,953.15%	229.61%	+8,723.54%

Dividends

ASTI vs. SIDU - Dividend Comparison

Neither ASTI nor SIDU has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both ASTI and SIDU in my portfolio?

ASTI and SIDU have a correlation of 0.27, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ASTI or SIDU?

SIDU has higher volatility (51.37%) compared to ASTI (48.45%). In terms of maximum drawdown, ASTI dropped -100.00% vs SIDU's -99.95%.

Which has better risk-adjusted returns?

ASTI currently has the higher Sharpe Ratio (1.47 vs 0.98), 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.