SERV vs. JOYY

Last updated Apr 1, 2026

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

Performance

SERV vs. JOYY - Performance Comparison

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

SERV vs. JOYY - Yearly Performance Comparison

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

Fundamentals

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

Returns By Period

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

SERV

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

JOYY

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

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

Return for Risk

SERV vs. JOYY — Risk / Return Rank

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

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

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

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.

SERV vs. JOYY - Risk-Adjusted Trends Comparison

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

	SERV	JOYY	Difference
Sharpe ratio Return per unit of total volatility	0.47	1.65	-1.18
Sortino ratio Return per unit of downside risk	1.49	2.35	-0.86
Omega ratio Gain probability vs. loss probability	1.16	1.30	-0.14
Calmar ratio Return relative to maximum drawdown	0.61	2.57	-1.96
Martin ratio Return relative to average drawdown	1.22	7.35	-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.

SERV vs. JOYY - Sharpe Ratio Comparison

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

	SERV	JOYY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.47	1.65	-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	-0.21	0.08	-0.29

Correlation

The correlation between SERV and JOYY 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

SERV vs. JOYY - Dividend Comparison

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

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

Drawdowns

SERV vs. JOYY - Drawdown Comparison

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

Drawdown Indicators

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

Volatility

SERV vs. JOYY - Volatility Comparison

Serve Robotics Inc (SERV) has a higher volatility of 24.92% compared to JOYY Inc (JOYY) at 6.89%. This indicates that SERV's price experiences larger fluctuations and is considered to be riskier than JOYY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

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

Financials