ARM vs. SOUN

Last updated Apr 1, 2026

Compare and contrast key facts about Arm Holdings plc American Depositary Shares (ARM) and SoundHound AI Inc (SOUN).

Performance

ARM vs. SOUN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Arm Holdings plc American Depositary Shares (ARM) and SoundHound AI Inc (SOUN). The values are adjusted to include any dividend payments, if applicable.

ARM vs. SOUN - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
ARM Arm Holdings plc American Depositary Shares	38.40%	-11.39%	64.16%	18.17%
SOUN SoundHound AI Inc	-31.09%	-49.75%	835.85%	-1.40%

Fundamentals

Market Cap ARM : $161.72B SOUN : $2.33T
EPS ARM : $0.75 SOUN : -$0.00
PS Ratio ARM : 34.58 SOUN : 4.60K
PB Ratio ARM : 20.74 SOUN : 5.01K
Total Revenue (TTM) ARM : $4.67B SOUN : $168.92M
Gross Profit (TTM) ARM : $4.46B SOUN : $71.55M
EBITDA (TTM) ARM : $1.05B SOUN : $25.20M

Returns By Period

In the year-to-date period, ARM achieves a 38.40% return, which is significantly higher than SOUN's -31.09% return.

ARM

• 1D: 10.46%
• 1M: 18.70%
• YTD: 38.40%
• 6M: 6.92%
• 1Y: 41.66%
• 3Y*: —
• 5Y*: —
• 10Y*: —

SOUN

• 1D: 13.93%
• 1M: -20.12%
• YTD: -31.09%
• 6M: -57.28%
• 1Y: -15.39%
• 3Y*: 35.52%
• 5Y*: —
• 10Y*: —

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

Return for Risk

ARM vs. SOUN — Risk / Return Rank

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

ARM

ARM Risk / Return Rank: 65
ARM Sharpe Ratio Rank: 67
ARM Sortino Ratio Rank: 68
ARM Omega Ratio Rank: 65
ARM Calmar Ratio Rank: 64
ARM Martin Ratio Rank: 62

SOUN

SOUN Risk / Return Rank: 36
SOUN Sharpe Ratio Rank: 34
SOUN Sortino Ratio Rank: 40
SOUN Omega Ratio Rank: 38
SOUN Calmar Ratio Rank: 34
SOUN Martin Ratio Rank: 34

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.

ARM vs. SOUN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Arm Holdings plc American Depositary Shares (ARM) and SoundHound AI Inc (SOUN). 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.

	ARM	SOUN	Difference
Sharpe ratio Return per unit of total volatility	0.71	-0.18	+0.89
Sortino ratio Return per unit of downside risk	1.45	0.37	+1.08
Omega ratio Gain probability vs. loss probability	1.18	1.04	+0.14
Calmar ratio Return relative to maximum drawdown	0.97	-0.26	+1.24
Martin ratio Return relative to average drawdown	1.95	-0.53	+2.49
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ARM vs. SOUN - Sharpe Ratio Comparison

The current ARM Sharpe Ratio is 0.71, which is higher than the SOUN Sharpe Ratio of -0.18. The chart below compares the historical Sharpe Ratios of ARM and SOUN, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	ARM	SOUN	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.71	-0.18	+0.89
Sharpe Ratio (All Time) Calculated using the full available price history	0.56	-0.02	+0.58

Correlation

The correlation between ARM and SOUN is 0.40, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

ARM vs. SOUN - Dividend Comparison

Neither ARM nor SOUN has paid dividends to shareholders.

Tickers have no history of dividend payments

Drawdowns

ARM vs. SOUN - Drawdown Comparison

The maximum ARM drawdown since its inception was -53.97%, smaller than the maximum SOUN drawdown of -93.55%. Use the drawdown chart below to compare losses from any high point for ARM and SOUN.

Drawdown Indicators

	ARM	SOUN	Difference
Max Drawdown Largest peak-to-trough decline	-53.97%	-93.55%	+39.58%
Max Drawdown (1Y) Largest decline over 1 year	-41.47%	-72.43%	+30.96%
Current Drawdown Current decline from peak	-18.87%	-71.65%	+52.78%
Average Drawdown Average peak-to-trough decline	-22.29%	-66.96%	+44.67%
Ulcer Index Depth and duration of drawdowns from previous peaks	20.67%	35.91%	-15.24%

Volatility

ARM vs. SOUN - Volatility Comparison

Arm Holdings plc American Depositary Shares (ARM) and SoundHound AI Inc (SOUN) have volatilities of 23.62% and 22.87%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ARM	SOUN	Difference
Volatility (1M) Calculated over the trailing 1-month period	23.62%	22.87%	+0.75%
Volatility (6M) Calculated over the trailing 6-month period	39.06%	51.77%	-12.71%
Volatility (1Y) Calculated over the trailing 1-year period	58.98%	86.79%	-27.81%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	72.68%	138.47%	-65.79%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	72.68%	138.47%	-65.79%

Financials

ARM vs. SOUN - Profitability Comparison

The chart below illustrates the profitability comparison between Arm Holdings plc American Depositary Shares and SoundHound AI Inc over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

ARM - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Arm Holdings plc American Depositary Shares reported a gross profit of 1.17B and revenue of 1.24B. Therefore, the gross margin over that period was 94.2%.

SOUN - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, SoundHound AI Inc reported a gross profit of 26.35M and revenue of 55.06M. Therefore, the gross margin over that period was 47.9%.

ARM - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Arm Holdings plc American Depositary Shares reported an operating income of 191.00M and revenue of 1.24B, resulting in an operating margin of 15.4%.

SOUN - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, SoundHound AI Inc reported an operating income of 42.57M and revenue of 55.06M, resulting in an operating margin of 77.3%.

ARM - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Arm Holdings plc American Depositary Shares reported a net income of 223.00M and revenue of 1.24B, resulting in a net margin of 18.0%.

SOUN - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, SoundHound AI Inc reported a net income of 40.06M and revenue of 55.06M, resulting in a net margin of 72.8%.