EXLS vs. SERV

Last updated Jun 4, 2026

EXLS (ExlService Holdings, Inc.) and SERV (Serve Robotics Inc) are both stocks. EXLS operates in Information Technology Services (Technology), while SERV operates in Specialty Industrial Machinery (Industrials). Over the past year, EXLS returned -36.86% vs -28.66% for SERV. At a 0.13 correlation, their price movements are largely independent.

Performance

EXLS vs. SERV - Performance Comparison

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

Returns By Period

In the year-to-date period, EXLS achieves a -30.61% return, which is significantly lower than SERV's -20.62% return.

EXLS

• 1D: -0.77%
• 1M: -7.16%
• YTD: -30.61%
• 6M: -26.72%
• 1Y: -36.86%
• 3Y*: -2.00%
• 5Y*: 7.24%
• 10Y*: 10.91%

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)

EXLS vs. SERV - Yearly Performance Comparison

	2026 (YTD)	2025	2024
EXLS ExlService Holdings, Inc.	-30.61%	-4.37%	37.02%
SERV Serve Robotics Inc	-20.62%	-23.11%	-46.00%

Correlation

The correlation between EXLS and SERV is 0.14, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.14
Correlation (All Time) Calculated using the full available price history since Mar 8, 2024	0.13

Fundamentals

Market Cap EXLS : $4.62B SERV : $620.50M
EPS EXLS : $1.56 SERV : -$2.07
PS Ratio EXLS : 2.20 SERV : 105.14
PB Ratio EXLS : 5.93 SERV : 1.95
Total Revenue (TTM) EXLS : $2.16B SERV : $5.19M
Gross Profit (TTM) EXLS : $829.84M SERV : -$22.91M
EBITDA (TTM) EXLS : $430.82M SERV : -$138.16M

Return for Risk

EXLS vs. SERV — Risk / Return Rank

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

EXLS

EXLS Risk / Return Rank: 6
EXLS Sharpe Ratio Rank: 4
EXLS Sortino Ratio Rank: 7
EXLS Omega Ratio Rank: 5
EXLS Calmar Ratio Rank: 9
EXLS Martin Ratio Rank: 4

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.

EXLS vs. SERV - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ExlService Holdings, Inc. (EXLS) 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.

	EXLS	SERV	Difference
Sharpe ratio Return per unit of total volatility	-1.06	-0.32	-0.74
Sortino ratio Return per unit of downside risk	-1.34	0.09	-1.43
Omega ratio Gain probability vs. loss probability	0.79	1.01	-0.22
Calmar ratio Return relative to maximum drawdown	-0.84	-0.51	-0.33
Martin ratio Return relative to average drawdown	-1.56	-0.83	-0.73
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

EXLS vs. SERV - Sharpe Ratio Comparison

The current EXLS Sharpe Ratio is -1.06, which is lower than the SERV Sharpe Ratio of -0.32. The chart below compares the historical Sharpe Ratios of EXLS 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

	EXLS	SERV	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-1.06	-0.32	-0.74
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.24	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.35	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.28	-0.21	+0.49

Drawdowns

EXLS vs. SERV - Drawdown Comparison

The maximum EXLS drawdown since its inception was -80.93%, smaller than the maximum SERV drawdown of -92.72%. Use the drawdown chart below to compare losses from any high point for EXLS and SERV.

Drawdown Indicators

	EXLS	SERV	Difference
Max Drawdown Largest peak-to-trough decline	-80.93%	-92.72%	+11.79%
Max Drawdown (1Y) Largest decline over 1 year	-44.06%	-56.28%	+12.22%
Max Drawdown (3Y) Largest decline over 3 years	-47.97%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-47.97%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-47.97%	—	—
Current Drawdown Current decline from peak	-43.15%	-67.04%	+23.89%
Average Drawdown Average peak-to-trough decline	-17.12%	-61.71%	+44.59%
Ulcer Index Depth and duration of drawdowns from previous peaks	23.64%	34.65%	-11.01%

Volatility

EXLS vs. SERV - Volatility Comparison

The current volatility for ExlService Holdings, Inc. (EXLS) is 13.57%, while Serve Robotics Inc (SERV) has a volatility of 18.11%. This indicates that EXLS 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

	EXLS	SERV	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.57%	18.11%	-4.54%
Volatility (6M) Calculated over the trailing 6-month period	30.90%	59.67%	-28.77%
Volatility (1Y) Calculated over the trailing 1-year period	34.98%	89.43%	-54.45%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	30.54%	190.06%	-159.52%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	30.84%	190.06%	-159.22%

Dividends

EXLS vs. SERV - Dividend Comparison

Neither EXLS nor SERV has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both EXLS and SERV in my portfolio?

EXLS and SERV have a correlation of 0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, EXLS or SERV?

SERV has higher volatility (18.11%) compared to EXLS (13.57%). In terms of maximum drawdown, EXLS dropped -80.93% vs SERV's -92.72%.

Which has better risk-adjusted returns?

SERV currently has the higher Sharpe Ratio (-0.32 vs -1.06), 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.