SIDU vs. AAOI

Last updated Jun 4, 2026

SIDU (Sidus Space, Inc.) and AAOI (Applied Optoelectronics, Inc.) are both stocks. SIDU operates in Aerospace & Defense (Industrials), while AAOI operates in Semiconductors (Technology). Over the past 3 years, SIDU returned -40.17%/yr vs 332.83%/yr for AAOI. At a 0.21 correlation, their price movements are largely independent.

Performance

SIDU vs. AAOI - Performance Comparison

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

Returns By Period

In the year-to-date period, SIDU achieves a 36.62% return, which is significantly lower than AAOI's 428.03% return.

SIDU

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

AAOI

• 1D: -9.04%
• 1M: 6.41%
• YTD: 428.03%
• 6M: 617.62%
• 1Y: 998.27%
• 3Y*: 332.83%
• 5Y*: 85.24%
• 10Y*: 32.59%

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

SIDU vs. AAOI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
SIDU Sidus Space, Inc.	36.62%	-35.92%	-44.38%	-91.92%	-89.64%	-13.70%
AAOI Applied Optoelectronics, Inc.	428.03%	-5.43%	90.79%	922.22%	-63.23%	-8.38%

Correlation

The correlation between SIDU and AAOI is 0.28, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.28
Correlation (3Y) Calculated over the trailing 3-year period	0.24
Correlation (All Time) Calculated using the full available price history since Dec 15, 2021	0.21

Fundamentals

Market Cap SIDU : $106.17M AAOI : $13.99B
EPS SIDU : -$1.30 AAOI : -$0.65
PS Ratio SIDU : 54.70 AAOI : 24.18
PB Ratio SIDU : 2.10 AAOI : 12.65
Total Revenue (TTM) SIDU : $1.78M AAOI : $507.00M
Gross Profit (TTM) SIDU : -$5.69M AAOI : $150.29M
EBITDA (TTM) SIDU : -$28.01M AAOI : -$26.44M

Return for Risk

SIDU vs. AAOI — Risk / Return Rank

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

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

AAOI

AAOI Risk / Return Rank: 98
AAOI Sharpe Ratio Rank: 99
AAOI Sortino Ratio Rank: 96
AAOI Omega Ratio Rank: 94
AAOI Calmar Ratio Rank: 99
AAOI Martin Ratio Rank: 99

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.

SIDU vs. AAOI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Sidus Space, Inc. (SIDU) and Applied Optoelectronics, Inc. (AAOI). 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.

	SIDU	AAOI	Difference
Sharpe ratio Return per unit of total volatility	0.98	7.37	-6.39
Sortino ratio Return per unit of downside risk	2.75	4.58	-1.83
Omega ratio Gain probability vs. loss probability	1.33	1.53	-0.20
Calmar ratio Return relative to maximum drawdown	2.74	21.18	-18.44
Martin ratio Return relative to average drawdown	4.54	59.65	-55.11
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SIDU vs. AAOI - Sharpe Ratio Comparison

The current SIDU Sharpe Ratio is 0.98, which is lower than the AAOI Sharpe Ratio of 7.37. The chart below compares the historical Sharpe Ratios of SIDU and AAOI, 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

	SIDU	AAOI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.98	7.37	-6.39
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.72	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.33	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.31	0.28	-0.60

Drawdowns

SIDU vs. AAOI - Drawdown Comparison

The maximum SIDU drawdown since its inception was -99.95%, roughly equal to the maximum AAOI drawdown of -98.49%. Use the drawdown chart below to compare losses from any high point for SIDU and AAOI.

Drawdown Indicators

	SIDU	AAOI	Difference
Max Drawdown Largest peak-to-trough decline	-99.95%	-98.49%	-1.46%
Max Drawdown (1Y) Largest decline over 1 year	-69.05%	-47.64%	-21.41%
Max Drawdown (3Y) Largest decline over 3 years	-97.12%	-77.17%	-19.95%
Max Drawdown (5Y) Largest decline over 5 years	—	-83.07%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-98.49%	—
Current Drawdown Current decline from peak	-99.65%	-17.49%	-82.16%
Average Drawdown Average peak-to-trough decline	-91.71%	-65.79%	-25.92%
Ulcer Index Depth and duration of drawdowns from previous peaks	41.57%	16.88%	+24.69%

Volatility

SIDU vs. AAOI - Volatility Comparison

Sidus Space, Inc. (SIDU) has a higher volatility of 51.37% compared to Applied Optoelectronics, Inc. (AAOI) at 42.89%. This indicates that SIDU's price experiences larger fluctuations and is considered to be riskier than AAOI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SIDU	AAOI	Difference
Volatility (1M) Calculated over the trailing 1-month period	51.37%	42.89%	+8.48%
Volatility (6M) Calculated over the trailing 6-month period	154.32%	107.15%	+47.17%
Volatility (1Y) Calculated over the trailing 1-year period	192.94%	137.01%	+55.93%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	229.61%	118.73%	+110.88%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	229.61%	97.94%	+131.67%

Dividends

SIDU vs. AAOI - Dividend Comparison

Neither SIDU nor AAOI has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both SIDU and AAOI in my portfolio?

SIDU and AAOI have a correlation of 0.28, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SIDU or AAOI?

SIDU has higher volatility (51.37%) compared to AAOI (42.89%). In terms of maximum drawdown, SIDU dropped -99.95% vs AAOI's -98.49%.

Which has better risk-adjusted returns?

AAOI currently has the higher Sharpe Ratio (7.37 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.