SRFM vs. SOUNW

Last updated Jun 4, 2026

SRFM (Surf Air Mobility Inc.) and SOUNW (SoundHound AI Inc.) are both stocks. SRFM operates in Airlines (Industrials), while SOUNW operates in Software - Application (Technology). Over the past year, SRFM returned -56.75% vs -43.98% for SOUNW. At a 0.24 correlation, their price movements are largely independent.

Performance

SRFM vs. SOUNW - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Surf Air Mobility Inc. (SRFM) and SoundHound AI Inc. (SOUNW). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SRFM achieves a -43.81% return, which is significantly lower than SOUNW's -30.31% return.

SRFM

• 1D: -3.54%
• 1M: -1.80%
• YTD: -43.81%
• 6M: -52.61%
• 1Y: -56.75%
• 3Y*: —
• 5Y*: —
• 10Y*: —

SOUNW

• 1D: -11.01%
• 1M: -26.52%
• YTD: -30.31%
• 6M: -50.21%
• 1Y: -43.98%
• 3Y*: 78.69%
• 5Y*: 30.94%
• 10Y*: —

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

SRFM vs. SOUNW - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
SRFM Surf Air Mobility Inc.	-43.81%	-64.01%	-50.32%	-50.79%
SOUNW SoundHound AI Inc.	-30.31%	-69.90%	3,356.94%	-33.12%

Correlation

The correlation between SRFM and SOUNW 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 (All Time) Calculated using the full available price history since Jul 28, 2023	0.24

The correlation between SRFM and SOUNW shifts across timeframes, from 0.24 (all time) to 0.39 (1 year), reflecting how their relationship changes across market environments.

Fundamentals

EPS SRFM : -$7.17 SOUNW : -$0.43
PS Ratio SRFM : 0.16 SOUNW : 5.17
Total Revenue (TTM) SRFM : $108.66M SOUNW : $183.99M
Gross Profit (TTM) SRFM : $5.05M SOUNW : $69.84M
EBITDA (TTM) SRFM : -$74.08M SOUNW : -$124.47M

Return for Risk

SRFM vs. SOUNW — Risk / Return Rank

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

SRFM

SRFM Risk / Return Rank: 26
SRFM Sharpe Ratio Rank: 25
SRFM Sortino Ratio Rank: 33
SRFM Omega Ratio Rank: 33
SRFM Calmar Ratio Rank: 18
SRFM Martin Ratio Rank: 24

SOUNW

SOUNW Risk / Return Rank: 27
SOUNW Sharpe Ratio Rank: 24
SOUNW Sortino Ratio Rank: 32
SOUNW Omega Ratio Rank: 31
SOUNW Calmar Ratio Rank: 22
SOUNW Martin Ratio Rank: 24

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.

SRFM vs. SOUNW - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Surf Air Mobility Inc. (SRFM) and SoundHound AI Inc. (SOUNW). 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.

	SRFM	SOUNW	Difference
Sharpe ratio Return per unit of total volatility	-0.38	-0.37	-0.01
Sortino ratio Return per unit of downside risk	0.13	0.11	+0.02
Omega ratio Gain probability vs. loss probability	1.01	1.01	0.00
Calmar ratio Return relative to maximum drawdown	-0.64	-0.54	-0.11
Martin ratio Return relative to average drawdown	-0.86	-0.85	-0.01
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SRFM vs. SOUNW - Sharpe Ratio Comparison

The current SRFM Sharpe Ratio is -0.38, which is comparable to the SOUNW Sharpe Ratio of -0.37. The chart below compares the historical Sharpe Ratios of SRFM and SOUNW, 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

	SRFM	SOUNW	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.38	-0.37	-0.01
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.14	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.43	0.10	-0.53

Drawdowns

SRFM vs. SOUNW - Drawdown Comparison

The maximum SRFM drawdown since its inception was -95.69%, roughly equal to the maximum SOUNW drawdown of -94.64%. Use the drawdown chart below to compare losses from any high point for SRFM and SOUNW.

Drawdown Indicators

	SRFM	SOUNW	Difference
Max Drawdown Largest peak-to-trough decline	-95.69%	-94.64%	-1.05%
Max Drawdown (1Y) Largest decline over 1 year	-88.30%	-82.42%	-5.88%
Max Drawdown (3Y) Largest decline over 3 years	—	-89.36%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-94.64%	—
Current Drawdown Current decline from peak	-95.06%	-85.67%	-9.39%
Average Drawdown Average peak-to-trough decline	-80.42%	-60.68%	-19.74%
Ulcer Index Depth and duration of drawdowns from previous peaks	66.04%	52.03%	+14.01%

Volatility

SRFM vs. SOUNW - Volatility Comparison

Surf Air Mobility Inc. (SRFM) has a higher volatility of 28.37% compared to SoundHound AI Inc. (SOUNW) at 25.75%. This indicates that SRFM's price experiences larger fluctuations and is considered to be riskier than SOUNW based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SRFM	SOUNW	Difference
Volatility (1M) Calculated over the trailing 1-month period	28.37%	25.75%	+2.62%
Volatility (6M) Calculated over the trailing 6-month period	72.20%	80.50%	-8.30%
Volatility (1Y) Calculated over the trailing 1-year period	149.13%	117.86%	+31.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	151.21%	224.99%	-73.78%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	151.21%	223.05%	-71.84%

Dividends

SRFM vs. SOUNW - Dividend Comparison

Neither SRFM nor SOUNW has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both SRFM and SOUNW in my portfolio?

SRFM and SOUNW 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.

Which is riskier, SRFM or SOUNW?

SRFM has higher volatility (28.37%) compared to SOUNW (25.75%). In terms of maximum drawdown, SRFM dropped -95.69% vs SOUNW's -94.64%.

Which has better risk-adjusted returns?

SOUNW currently has the higher Sharpe Ratio (-0.37 vs -0.38), 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.