AAOI vs. PENG
AAOI (Applied Optoelectronics, Inc.) and PENG (Penguin Solutions, Inc) are both stocks. Both are in the Technology sector — AAOI in Semiconductors, PENG in Information Technology Services. Over the past 5 years, AAOI returned 80.64%/yr vs 22.00%/yr for PENG. At a 0.34 correlation, their price movements are largely independent.
Performance
AAOI vs. PENG - Performance Comparison
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Returns By Period
In the year-to-date period, AAOI achieves a 384.94% return, which is significantly higher than PENG's 227.86% return.
AAOI
- 1D
- -2.16%
- 1M
- -16.96%
- YTD
- 384.94%
- 6M
- 427.29%
- 1Y
- 992.76%
- 3Y*
- 259.45%
- 5Y*
- 80.64%
- 10Y*
- 32.75%
PENG
- 1D
- -0.31%
- 1M
- 29.71%
- YTD
- 227.86%
- 6M
- 207.73%
- 1Y
- 232.62%
- 3Y*
- 35.71%
- 5Y*
- 22.00%
- 10Y*
- —
AAOI vs. PENG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AAOI Applied Optoelectronics, Inc. | 384.94% | -5.43% | 90.79% | 922.22% | -63.23% | -39.60% | -28.37% | -23.01% | -59.20% | -45.31% |
PENG Penguin Solutions, Inc | 227.86% | 1.93% | 1.37% | 27.22% | -58.08% | 88.65% | -0.82% | 27.74% | -11.87% | 180.83% |
Correlation
The correlation between AAOI and PENG is 0.39, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.39 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.38 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.38 |
Correlation (All Time) Calculated using the full available price history since May 24, 2017 | 0.34 |
Fundamentals
AAOI:
-$0.65
PENG:
$1.50
AAOI:
22.21
PENG:
1.73
AAOI:
$507.00M
PENG:
$1.35B
AAOI:
$150.29M
PENG:
$381.14M
AAOI:
-$26.44M
PENG:
$82.22M
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Return for Risk
AAOI vs. PENG — Risk / Return Rank
AAOI
PENG
AAOI vs. PENG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Applied Optoelectronics, Inc. (AAOI) and Penguin Solutions, Inc (PENG). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| AAOI | PENG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +3.03 | ||
| Sortino ratioReturn per unit of downside risk | +0.83 | ||
| Omega ratioGain probability vs. loss probability | 1.50 | 1.50 | 0.00 |
| Calmar ratioReturn relative to maximum drawdown | 19.07 | 4.97 | +14.10 |
| Martin ratioReturn relative to average drawdown | 52.70 | 9.56 | +43.15 |
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Drawdowns
AAOI vs. PENG - Drawdown Comparison
The maximum AAOI drawdown since its inception was -98.49%, which is greater than PENG's maximum drawdown of -68.72%. Use the drawdown chart below to compare losses from any high point for AAOI and PENG.
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Drawdown Indicators
| AAOI | PENG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -98.49% | -68.72% | -29.77% |
Max Drawdown (1Y)Largest decline over 1 year | -47.64% | -44.57% | -3.07% |
Max Drawdown (3Y)Largest decline over 3 years | -77.17% | -54.84% | -22.33% |
Max Drawdown (5Y)Largest decline over 5 years | -83.07% | -65.40% | -17.67% |
Max Drawdown (10Y)Largest decline over 10 years | -98.49% | — | — |
Current DrawdownCurrent decline from peak | -24.23% | -10.19% | -14.04% |
Average DrawdownAverage peak-to-trough decline | -65.67% | -37.35% | -28.32% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 17.21% | 23.14% | -5.93% |
Volatility
AAOI vs. PENG - Volatility Comparison
Applied Optoelectronics, Inc. (AAOI) has a higher volatility of 40.42% compared to Penguin Solutions, Inc (PENG) at 31.44%. This indicates that AAOI's price experiences larger fluctuations and is considered to be riskier than PENG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AAOI | PENG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 40.42% | 31.44% | +8.98% |
Volatility (6M)Calculated over the trailing 6-month period | 109.93% | 52.45% | +57.48% |
Volatility (1Y)Calculated over the trailing 1-year period | 139.42% | 63.52% | +75.90% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 119.31% | 59.51% | +59.80% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 98.26% | 62.70% | +35.56% |
Dividends
AAOI vs. PENG - Dividend Comparison
Neither AAOI nor PENG has paid dividends to shareholders.
Financials
AAOI vs. PENG - Financials Comparison
This section allows you to compare key financial metrics between Applied Optoelectronics, Inc. and Penguin Solutions, Inc. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
AAOI vs. PENG - Profitability Comparison
AAOI - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Applied Optoelectronics, Inc. reported a gross profit of 43.92M and revenue of 151.14M. Therefore, the gross margin over that period was 29.1%.
PENG - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Penguin Solutions, Inc reported a gross profit of 93.70M and revenue of 343.00M. Therefore, the gross margin over that period was 27.3%.
AAOI - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Applied Optoelectronics, Inc. reported an operating income of -12.99M and revenue of 151.14M, resulting in an operating margin of -8.6%.
PENG - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Penguin Solutions, Inc reported an operating income of 25.69M and revenue of 343.00M, resulting in an operating margin of 7.5%.
AAOI - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Applied Optoelectronics, Inc. reported a net income of -14.28M and revenue of 151.14M, resulting in a net margin of -9.5%.
PENG - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Penguin Solutions, Inc reported a net income of 37.45M and revenue of 343.00M, resulting in a net margin of 10.9%.
Frequently Asked Questions
AAOI and PENG have a correlation of 0.39, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AAOI has higher volatility (40.42%) compared to PENG (31.44%). In terms of maximum drawdown, AAOI dropped -98.49% vs PENG's -68.72%.
AAOI currently has the higher Sharpe Ratio (6.52 vs 3.49), 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.
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