ALGM vs. AOSL

Last updated Jun 4, 2026

ALGM (Allegro MicroSystems, Inc.) and AOSL (Alpha and Omega Semiconductor Limited) are both stocks. Both operate in the Semiconductors industry within the Technology sector. Over the past 5 years, ALGM returned 14.55%/yr vs 11.06%/yr for AOSL. A 0.58 correlation means they provide meaningful diversification when combined.

Performance

ALGM vs. AOSL - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Allegro MicroSystems, Inc. (ALGM) and Alpha and Omega Semiconductor Limited (AOSL). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ALGM achieves a 101.33% return, which is significantly lower than AOSL's 166.13% return.

ALGM

• 1D: 5.52%
• 1M: 7.34%
• YTD: 101.33%
• 6M: 83.77%
• 1Y: 98.32%
• 3Y*: 10.39%
• 5Y*: 14.55%
• 10Y*: —

AOSL

• 1D: -1.13%
• 1M: 24.99%
• YTD: 166.13%
• 6M: 142.73%
• 1Y: 129.72%
• 3Y*: 22.53%
• 5Y*: 11.06%
• 10Y*: 14.36%

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

ALGM vs. AOSL - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
ALGM Allegro MicroSystems, Inc.	101.33%	20.68%	-27.78%	0.83%	-17.03%	35.71%	50.62%
AOSL Alpha and Omega Semiconductor Limited	166.13%	-46.50%	42.10%	-8.79%	-52.82%	156.18%	48.68%

Correlation

The correlation between ALGM and AOSL is 0.59, 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	0.59
Correlation (3Y) Calculated over the trailing 3-year period	0.54
Correlation (5Y) Calculated over the trailing 5-year period	0.60
Correlation (All Time) Calculated using the full available price history since Oct 30, 2020	0.58

The correlation between ALGM and AOSL has been stable across timeframes, ranging from 0.54 to 0.60 - a consistent structural relationship.

Fundamentals

Market Cap ALGM : $9.84B AOSL : $1.58B
EPS ALGM : -$0.08 AOSL : -$2.58
PS Ratio ALGM : 11.07 AOSL : 2.30
PB Ratio ALGM : 10.29 AOSL : 1.97
Total Revenue (TTM) ALGM : $890.10M AOSL : $685.04M
Gross Profit (TTM) ALGM : $411.97M AOSL : $153.49M
EBITDA (TTM) ALGM : $60.02M AOSL : -$23.38M

Return for Risk

ALGM vs. AOSL — Risk / Return Rank

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

ALGM

ALGM Risk / Return Rank: 81
ALGM Sharpe Ratio Rank: 86
ALGM Sortino Ratio Rank: 83
ALGM Omega Ratio Rank: 79
ALGM Calmar Ratio Rank: 79
ALGM Martin Ratio Rank: 76

AOSL

AOSL Risk / Return Rank: 81
AOSL Sharpe Ratio Rank: 85
AOSL Sortino Ratio Rank: 79
AOSL Omega Ratio Rank: 83
AOSL Calmar Ratio Rank: 81
AOSL Martin Ratio Rank: 77

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.

ALGM vs. AOSL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Allegro MicroSystems, Inc. (ALGM) and Alpha and Omega Semiconductor Limited (AOSL). 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.

	ALGM	AOSL	Difference
Sharpe ratio Return per unit of total volatility	1.86	1.73	+0.13
Sortino ratio Return per unit of downside risk	2.62	2.25	+0.37
Omega ratio Gain probability vs. loss probability	1.30	1.34	-0.03
Calmar ratio Return relative to maximum drawdown	2.52	2.88	-0.36
Martin ratio Return relative to average drawdown	5.30	5.71	-0.41
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ALGM vs. AOSL - Sharpe Ratio Comparison

The current ALGM Sharpe Ratio is 1.86, which is comparable to the AOSL Sharpe Ratio of 1.73. The chart below compares the historical Sharpe Ratios of ALGM and AOSL, 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

	ALGM	AOSL	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.86	1.73	+0.13
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.29	0.16	+0.13
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.23	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.42	0.13	+0.30

Drawdowns

ALGM vs. AOSL - Drawdown Comparison

The maximum ALGM drawdown since its inception was -68.65%, smaller than the maximum AOSL drawdown of -75.27%. Use the drawdown chart below to compare losses from any high point for ALGM and AOSL.

Drawdown Indicators

	ALGM	AOSL	Difference
Max Drawdown Largest peak-to-trough decline	-68.65%	-75.27%	+6.62%
Max Drawdown (1Y) Largest decline over 1 year	-39.22%	-45.32%	+6.10%
Max Drawdown (3Y) Largest decline over 3 years	-68.65%	-66.94%	-1.71%
Max Drawdown (5Y) Largest decline over 5 years	-68.65%	-75.27%	+6.62%
Max Drawdown (10Y) Largest decline over 10 years	—	-75.27%	—
Current Drawdown Current decline from peak	0.00%	-19.78%	+19.78%
Average Drawdown Average peak-to-trough decline	-32.00%	-43.24%	+11.24%
Ulcer Index Depth and duration of drawdowns from previous peaks	18.62%	22.82%	-4.20%

Volatility

ALGM vs. AOSL - Volatility Comparison

The current volatility for Allegro MicroSystems, Inc. (ALGM) is 21.14%, while Alpha and Omega Semiconductor Limited (AOSL) has a volatility of 43.14%. This indicates that ALGM experiences smaller price fluctuations and is considered to be less risky than AOSL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ALGM	AOSL	Difference
Volatility (1M) Calculated over the trailing 1-month period	21.14%	43.14%	-22.00%
Volatility (6M) Calculated over the trailing 6-month period	43.54%	57.24%	-13.70%
Volatility (1Y) Calculated over the trailing 1-year period	53.26%	75.62%	-22.36%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	49.98%	69.66%	-19.68%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	51.49%	63.40%	-11.91%

Dividends

ALGM vs. AOSL - Dividend Comparison

Neither ALGM nor AOSL has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

ALGM vs. AOSL - Profitability Comparison

The chart below illustrates the profitability comparison between Allegro MicroSystems, Inc. and Alpha and Omega Semiconductor Limited over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

ALGM - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Allegro MicroSystems, Inc. reported a gross profit of 114.28M and revenue of 243.19M. Therefore, the gross margin over that period was 47.0%.

AOSL - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Alpha and Omega Semiconductor Limited reported a gross profit of 34.53M and revenue of 163.79M. Therefore, the gross margin over that period was 21.1%.

ALGM - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Allegro MicroSystems, Inc. reported an operating income of 5.41M and revenue of 243.19M, resulting in an operating margin of 2.2%.

AOSL - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Alpha and Omega Semiconductor Limited reported an operating income of -14.06M and revenue of 163.79M, resulting in an operating margin of -8.6%.

ALGM - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Allegro MicroSystems, Inc. reported a net income of -16.49M and revenue of 243.19M, resulting in a net margin of -6.8%.

AOSL - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Alpha and Omega Semiconductor Limited reported a net income of 15.42M and revenue of 163.79M, resulting in a net margin of 9.4%.

Frequently Asked Questions

Can I hold both ALGM and AOSL in my portfolio?

ALGM and AOSL have a correlation of 0.59, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ALGM or AOSL?

AOSL has higher volatility (43.14%) compared to ALGM (21.14%). In terms of maximum drawdown, ALGM dropped -68.65% vs AOSL's -75.27%.

Which has better risk-adjusted returns?

ALGM currently has the higher Sharpe Ratio (1.86 vs 1.73), 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.