YALA vs. SERV

Last updated Jun 4, 2026

YALA (Yalla Group Limited) and SERV (Serve Robotics Inc) are both stocks. YALA operates in Software - Application (Technology), while SERV operates in Specialty Industrial Machinery (Industrials). Over the past year, YALA returned -19.03% vs -28.66% for SERV. At a 0.18 correlation, their price movements are largely independent.

Performance

YALA vs. SERV - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Yalla Group Limited (YALA) and Serve Robotics Inc (SERV). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with YALA having a -20.32% return and SERV slightly lower at -20.62%.

YALA

• 1D: -2.12%
• 1M: -17.59%
• YTD: -20.32%
• 6M: -21.89%
• 1Y: -19.03%
• 3Y*: 8.83%
• 5Y*: -20.81%
• 10Y*: —

SERV

• 1D: -9.15%
• 1M: -11.87%
• YTD: -20.62%
• 6M: -30.17%
• 1Y: -28.66%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

YALA vs. SERV - Yearly Performance Comparison

	2026 (YTD)	2025	2024
YALA Yalla Group Limited	-20.32%	70.94%	-25.09%
SERV Serve Robotics Inc	-20.62%	-23.11%	-46.00%

Correlation

The correlation between YALA and SERV is 0.26, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.26
Correlation (All Time) Calculated using the full available price history since Mar 8, 2024	0.18

Fundamentals

Market Cap YALA : $979.76M SERV : $620.50M
EPS YALA : $0.79 SERV : -$2.07
PS Ratio YALA : 2.93 SERV : 105.14
PB Ratio YALA : 1.17 SERV : 1.95
Total Revenue (TTM) YALA : $337.07M SERV : $5.19M
Gross Profit (TTM) YALA : $227.87M SERV : -$22.91M
EBITDA (TTM) YALA : $124.32M SERV : -$138.16M

Return for Risk

YALA vs. SERV — Risk / Return Rank

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

YALA

YALA Risk / Return Rank: 21
YALA Sharpe Ratio Rank: 19
YALA Sortino Ratio Rank: 19
YALA Omega Ratio Rank: 20
YALA Calmar Ratio Rank: 24
YALA Martin Ratio Rank: 23

SERV

SERV Risk / Return Rank: 27
SERV Sharpe Ratio Rank: 27
SERV Sortino Ratio Rank: 32
SERV Omega Ratio Rank: 31
SERV Calmar Ratio Rank: 23
SERV 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.

YALA vs. SERV - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Yalla Group Limited (YALA) and Serve Robotics Inc (SERV). 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.

	YALA	SERV	Difference
Sharpe ratio: Return per unit of total volatility	-0.51	-0.32	-0.19
Sortino ratio: Return per unit of downside risk	-0.53	0.09	-0.61
Omega ratio: Gain probability vs. loss probability	0.94	1.01	-0.07
Calmar ratio: Return relative to maximum drawdown	-0.49	-0.51	+0.02
Martin ratio: Return relative to average drawdown	-0.91	-0.83	-0.08
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

YALA vs. SERV - Sharpe Ratio Comparison

The current YALA Sharpe Ratio is -0.51, which is lower than the SERV Sharpe Ratio of -0.32. The chart below compares the historical Sharpe Ratios of YALA and SERV, 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

	YALA	SERV	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.51	-0.32	-0.19
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.38	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.06	-0.21	+0.15

Drawdowns

YALA vs. SERV - Drawdown Comparison

The maximum YALA drawdown since its inception was -92.42%, roughly equal to the maximum SERV drawdown of -92.72%. Use the drawdown chart below to compare losses from any high point for YALA and SERV.

Drawdown Indicators

	YALA	SERV	Difference
Max Drawdown Largest peak-to-trough decline	-92.42%	-92.72%	+0.30%
Max Drawdown (1Y) Largest decline over 1 year	-39.10%	-56.28%	+17.18%
Max Drawdown (3Y) Largest decline over 3 years	-40.85%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-84.60%	—	—
Current Drawdown Current decline from peak	-86.39%	-67.04%	-19.35%
Average Drawdown Average peak-to-trough decline	-78.46%	-61.71%	-16.75%
Ulcer Index Depth and duration of drawdowns from previous peaks	21.03%	34.65%	-13.62%

Volatility

YALA vs. SERV - Volatility Comparison

The current volatility for Yalla Group Limited (YALA) is 10.72%, while Serve Robotics Inc (SERV) has a volatility of 18.11%. This indicates that YALA experiences smaller price fluctuations and is considered to be less risky than SERV based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	YALA	SERV	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.72%	18.11%	-7.39%
Volatility (6M) Calculated over the trailing 6-month period	22.36%	59.67%	-37.31%
Volatility (1Y) Calculated over the trailing 1-year period	37.75%	89.43%	-51.68%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	54.62%	190.06%	-135.44%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	69.52%	190.06%	-120.54%

Dividends

YALA vs. SERV - Dividend Comparison

Neither YALA nor SERV has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both YALA and SERV in my portfolio?

YALA and SERV have a correlation of 0.26, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, YALA or SERV?

SERV has higher volatility (18.11%) compared to YALA (10.72%). In terms of maximum drawdown, YALA dropped -92.42% vs SERV's -92.72%.

Which has better risk-adjusted returns?

SERV currently has the higher Sharpe Ratio (-0.32 vs -0.51), 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.