SOUN vs. PAA

Last updated Jun 13, 2026

SOUN (SoundHound AI, Inc.) and PAA (Plains All American Pipeline, L.P.) are both stocks. SOUN operates in Software - Application (Technology), while PAA operates in Oil & Gas Midstream (Energy). Over the past 3 years, SOUN returned 29.87%/yr vs 28.99%/yr for PAA. At a 0.13 correlation, their price movements are largely independent.

Performance

SOUN vs. PAA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SoundHound AI, Inc. (SOUN) and Plains All American Pipeline, L.P. (PAA). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SOUN achieves a -30.79% return, which is significantly lower than PAA's 30.01% return.

SOUN

• 1D: -1.43%
• 1M: -18.05%
• YTD: -30.79%
• 6M: -40.77%
• 1Y: -27.14%
• 3Y*: 29.87%
• 5Y*: —
• 10Y*: —

PAA

• 1D: -0.18%
• 1M: 2.51%
• YTD: 30.01%
• 6M: 31.47%
• 1Y: 36.35%
• 3Y*: 28.99%
• 5Y*: 22.23%
• 10Y*: 5.97%

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

SOUN vs. PAA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
SOUN SoundHound AI, Inc.	-30.79%	-49.75%	835.85%	19.77%	-79.70%
PAA Plains All American Pipeline, L.P.	30.01%	14.30%	21.38%	39.18%	16.32%

Correlation

The correlation between SOUN and PAA is -0.05, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.05
Correlation (3Y) Calculated over the trailing 3-year period	0.12
Correlation (All Time) Calculated using the full available price history since Apr 28, 2022	0.13

The correlation between SOUN and PAA shifts across timeframes, from -0.05 (1 year) to 0.13 (all time), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap SOUN : $2.34B PAA : $15.84B
EPS SOUN : -$0.43 PAA : $2.19
PS Ratio SOUN : 14.72 PAA : 0.35
PB Ratio SOUN : 5.07 PAA : 1.24
Total Revenue (TTM) SOUN : $183.99M PAA : $45.25B
Gross Profit (TTM) SOUN : $69.84M PAA : $1.55B
EBITDA (TTM) SOUN : -$124.47M PAA : $2.54B

Return for Risk

SOUN vs. PAA — Risk / Return Rank

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

SOUN

SOUN Risk / Return Rank: 31
SOUN Sharpe Ratio Rank: 28
SOUN Sortino Ratio Rank: 32
SOUN Omega Ratio Rank: 32
SOUN Calmar Ratio Rank: 30
SOUN Martin Ratio Rank: 32

PAA

PAA Risk / Return Rank: 85
PAA Sharpe Ratio Rank: 89
PAA Sortino Ratio Rank: 87
PAA Omega Ratio Rank: 84
PAA Calmar Ratio Rank: 81
PAA Martin Ratio Rank: 83

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.

SOUN vs. PAA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SoundHound AI, Inc. (SOUN) and Plains All American Pipeline, L.P. (PAA). 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.

	SOUN	PAA	Difference
Sharpe ratio: Return per unit of total volatility	-0.34	1.98	-2.31
Sortino ratio: Return per unit of downside risk	-0.01	2.74	-2.75
Omega ratio: Gain probability vs. loss probability	1.00	1.33	-0.33
Calmar ratio: Return relative to maximum drawdown	-0.38	2.51	-2.89
Martin ratio: Return relative to average drawdown	-0.60	7.17	-7.77

SOUN vs. PAA - Sharpe Ratio Comparison

The current SOUN Sharpe Ratio is -0.34, which is lower than the PAA Sharpe Ratio of 1.98. The chart below compares the historical Sharpe Ratios of SOUN and PAA, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

SOUN vs. PAA - Drawdown Comparison

The maximum SOUN drawdown since its inception was -93.55%, roughly equal to the maximum PAA drawdown of -91.99%. Use the drawdown chart below to compare losses from any high point for SOUN and PAA.

Drawdown Indicators

	SOUN	PAA	Difference
Max Drawdown Largest peak-to-trough decline	-93.55%	-91.99%	-1.56%
Max Drawdown (1Y) Largest decline over 1 year	-72.43%	-14.53%	-57.90%
Max Drawdown (3Y) Largest decline over 3 years	-75.65%	-22.26%	-53.39%
Max Drawdown (5Y) Largest decline over 5 years	—	-26.11%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-87.92%	—
Current Drawdown Current decline from peak	-71.52%	-10.03%	-61.49%
Average Drawdown Average peak-to-trough decline	-66.93%	-25.75%	-41.18%
Ulcer Index Depth and duration of drawdowns from previous peaks	45.29%	5.08%	+40.21%

Volatility

SOUN vs. PAA - Volatility Comparison

SoundHound AI, Inc. (SOUN) has a higher volatility of 17.69% compared to Plains All American Pipeline, L.P. (PAA) at 7.32%. This indicates that SOUN's price experiences larger fluctuations and is considered to be riskier than PAA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SOUN	PAA	Difference
Volatility (1M) Calculated over the trailing 1-month period	17.69%	7.32%	+10.37%
Volatility (6M) Calculated over the trailing 6-month period	52.15%	14.09%	+38.06%
Volatility (1Y) Calculated over the trailing 1-year period	80.70%	18.47%	+62.23%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	136.27%	26.81%	+109.46%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	136.27%	41.82%	+94.45%

Dividends

SOUN vs. PAA - Dividend Comparison

SOUN has not paid dividends to shareholders, while PAA's dividend yield for the trailing twelve months is around 7.11%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PAA Plains All American Pipeline, L.P.	7.11%	8.46%	7.44%	7.06%	7.08%	7.71%	10.92%	7.50%	5.99%	9.45%	8.21%	11.93%
SOUN SoundHound AI, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Financials

Frequently Asked Questions

Can I hold both SOUN and PAA in my portfolio?

SOUN and PAA have a correlation of -0.05, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SOUN or PAA?

SOUN has higher volatility (17.69%) compared to PAA (7.32%). In terms of maximum drawdown, SOUN dropped -93.55% vs PAA's -91.99%.

Which has better risk-adjusted returns?

PAA currently has the higher Sharpe Ratio (1.98 vs -0.34), 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.