JOYY vs. SERV

Last updated Apr 1, 2026

Compare and contrast key facts about JOYY Inc (JOYY) and Serve Robotics Inc (SERV).

Performance

JOYY vs. SERV - Performance Comparison

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

JOYY vs. SERV - Yearly Performance Comparison

	2026 (YTD)	2025	2024
JOYY JOYY Inc	-8.47%	63.93%	32.10%
SERV Serve Robotics Inc	-18.69%	-23.11%	-46.00%

Fundamentals

Market Cap JOYY : $3.07B SERV : $623.12M
EPS JOYY : $39.52 SERV : -$1.60
PS Ratio JOYY : 1.46 SERV : 201.44
PB Ratio JOYY : 0.47 SERV : 1.78
Total Revenue (TTM) JOYY : $2.13B SERV : $2.65M
Gross Profit (TTM) JOYY : $763.78M SERV : -$15.38M
EBITDA (TTM) JOYY : $240.66M SERV : -$103.99M

Returns By Period

In the year-to-date period, JOYY achieves a -8.47% return, which is significantly higher than SERV's -18.69% return.

JOYY

• 1D: 3.40%
• 1M: -2.15%
• YTD: -8.47%
• 6M: 1.14%
• 1Y: 49.59%
• 3Y*: 27.95%
• 5Y*: -6.22%
• 10Y*: —

SERV

• 1D: 9.18%
• 1M: -15.52%
• YTD: -18.69%
• 6M: -27.43%
• 1Y: 46.78%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

Return for Risk

JOYY vs. SERV — Risk / Return Rank

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

JOYY

JOYY Risk / Return Rank: 83
JOYY Sharpe Ratio Rank: 86
JOYY Sortino Ratio Rank: 84
JOYY Omega Ratio Rank: 81
JOYY Calmar Ratio Rank: 82
JOYY Martin Ratio Rank: 84

SERV

SERV Risk / Return Rank: 60
SERV Sharpe Ratio Rank: 59
SERV Sortino Ratio Rank: 68
SERV Omega Ratio Rank: 61
SERV Calmar Ratio Rank: 56
SERV Martin Ratio Rank: 55

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.

JOYY vs. SERV - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for JOYY Inc (JOYY) 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.

	JOYY	SERV	Difference
Sharpe ratio Return per unit of total volatility	1.65	0.47	+1.18
Sortino ratio Return per unit of downside risk	2.35	1.49	+0.86
Omega ratio Gain probability vs. loss probability	1.30	1.16	+0.14
Calmar ratio Return relative to maximum drawdown	2.57	0.61	+1.96
Martin ratio Return relative to average drawdown	7.35	1.22	+6.12
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

JOYY vs. SERV - Sharpe Ratio Comparison

The current JOYY Sharpe Ratio is 1.65, which is higher than the SERV Sharpe Ratio of 0.47. The chart below compares the historical Sharpe Ratios of JOYY and SERV, 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

	JOYY	SERV	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.65	0.47	+1.18
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.11	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.08	-0.21	+0.29

Correlation

The correlation between JOYY and SERV is 0.16, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

JOYY vs. SERV - Dividend Comparison

JOYY's dividend yield for the trailing twelve months is around 6.49%, while SERV has not paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020
JOYY JOYY Inc	6.49%	4.35%	0.00%	3.07%	6.46%	4.48%	1.02%
SERV Serve Robotics Inc	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

JOYY vs. SERV - Drawdown Comparison

The maximum JOYY drawdown since its inception was -83.52%, smaller than the maximum SERV drawdown of -92.72%. Use the drawdown chart below to compare losses from any high point for JOYY and SERV.

Drawdown Indicators

	JOYY	SERV	Difference
Max Drawdown Largest peak-to-trough decline	-83.52%	-92.72%	+9.20%
Max Drawdown (1Y) Largest decline over 1 year	-19.93%	-56.28%	+36.35%
Max Drawdown (5Y) Largest decline over 5 years	-76.47%	—	—
Current Drawdown Current decline from peak	-51.48%	-66.24%	+14.76%
Average Drawdown Average peak-to-trough decline	-56.34%	-61.50%	+5.16%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.96%	27.96%	-21.00%

Volatility

JOYY vs. SERV - Volatility Comparison

The current volatility for JOYY Inc (JOYY) is 6.89%, while Serve Robotics Inc (SERV) has a volatility of 24.92%. This indicates that JOYY 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

	JOYY	SERV	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.89%	24.92%	-18.03%
Volatility (6M) Calculated over the trailing 6-month period	21.11%	72.05%	-50.94%
Volatility (1Y) Calculated over the trailing 1-year period	30.27%	100.87%	-70.60%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	59.39%	197.21%	-137.82%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	61.69%	197.21%	-135.52%

Financials