STLA vs. PROSY

Last updated Jun 3, 2026

STLA (Stellantis N.V.) and PROSY (Prosus N.V.) are both stocks. STLA operates in Auto Manufacturers (Consumer Cyclical), while PROSY operates in Internet Content & Information (Communication Services). Over the past 5 years, STLA returned -10.81%/yr vs 0.84%/yr for PROSY. At a 0.38 correlation, their price movements are largely independent.

Performance

STLA vs. PROSY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Stellantis N.V. (STLA) and Prosus N.V. (PROSY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, STLA achieves a -29.48% return, which is significantly lower than PROSY's -20.39% return.

STLA

• 1D: -1.79%
• 1M: 7.71%
• YTD: -29.48%
• 6M: -29.86%
• 1Y: -21.47%
• 3Y*: -14.98%
• 5Y*: -10.81%
• 10Y*: —

PROSY

• 1D: 9.46%
• 1M: 2.29%
• YTD: -20.39%
• 6M: -19.14%
• 1Y: -4.46%
• 3Y*: 15.04%
• 5Y*: 0.84%
• 10Y*: —

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

STLA vs. PROSY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
STLA Stellantis N.V.	-29.48%	-0.80%	-40.21%	79.15%	-18.23%	13.08%
PROSY Prosus N.V.	-20.39%	55.67%	33.80%	-5.32%	-17.15%	-30.23%

Correlation

The correlation between STLA and PROSY is 0.21, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.21
Correlation (3Y) Calculated over the trailing 3-year period	0.35
Correlation (5Y) Calculated over the trailing 5-year period	0.39
Correlation (All Time) Calculated using the full available price history since Jan 21, 2021	0.38

The correlation between STLA and PROSY shifts across timeframes, from 0.21 (1 year) to 0.39 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap STLA : $21.39B PROSY : $109.86B
EPS STLA : -$0.43 PROSY : $1.91
PS Ratio STLA : 0.12 PROSY : 8.61
PB Ratio STLA : 0.35 PROSY : 1.99
Total Revenue (TTM) STLA : $186.57B PROSY : $12.76B
Gross Profit (TTM) STLA : $86.70B PROSY : $5.31B
EBITDA (TTM) STLA : $3.43B PROSY : $10.72B

Return for Risk

STLA vs. PROSY — Risk / Return Rank

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

STLA

STLA Risk / Return Rank: 22
STLA Sharpe Ratio Rank: 22
STLA Sortino Ratio Rank: 23
STLA Omega Ratio Rank: 23
STLA Calmar Ratio Rank: 23
STLA Martin Ratio Rank: 18

PROSY

PROSY Risk / Return Rank: 34
PROSY Sharpe Ratio Rank: 34
PROSY Sortino Ratio Rank: 30
PROSY Omega Ratio Rank: 30
PROSY Calmar Ratio Rank: 37
PROSY Martin Ratio Rank: 37

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.

STLA vs. PROSY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Stellantis N.V. (STLA) and Prosus N.V. (PROSY). 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.

	STLA	PROSY	Difference
Sharpe ratio Return per unit of total volatility	-0.42	-0.14	-0.28
Sortino ratio Return per unit of downside risk	-0.28	0.03	-0.30
Omega ratio Gain probability vs. loss probability	0.96	1.00	-0.04
Calmar ratio Return relative to maximum drawdown	-0.51	-0.08	-0.43
Martin ratio Return relative to average drawdown	-1.06	-0.15	-0.91
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

STLA vs. PROSY - Sharpe Ratio Comparison

The current STLA Sharpe Ratio is -0.42, which is lower than the PROSY Sharpe Ratio of -0.14. The chart below compares the historical Sharpe Ratios of STLA and PROSY, 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

	STLA	PROSY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.42	-0.14	-0.28
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.26	0.02	-0.28
Sharpe Ratio (All Time) Calculated using the full available price history	-0.16	0.10	-0.26

Drawdowns

STLA vs. PROSY - Drawdown Comparison

The maximum STLA drawdown since its inception was -72.65%, roughly equal to the maximum PROSY drawdown of -69.36%. Use the drawdown chart below to compare losses from any high point for STLA and PROSY.

Drawdown Indicators

	STLA	PROSY	Difference
Max Drawdown Largest peak-to-trough decline	-72.65%	-69.36%	-3.29%
Max Drawdown (1Y) Largest decline over 1 year	-47.77%	-39.09%	-8.68%
Max Drawdown (3Y) Largest decline over 3 years	-72.65%	-39.09%	-33.56%
Max Drawdown (5Y) Largest decline over 5 years	-72.65%	-61.97%	-10.68%
Current Drawdown Current decline from peak	-66.82%	-32.51%	-34.31%
Average Drawdown Average peak-to-trough decline	-28.90%	-30.00%	+1.10%
Ulcer Index Depth and duration of drawdowns from previous peaks	22.96%	20.21%	+2.75%

Volatility

STLA vs. PROSY - Volatility Comparison

Stellantis N.V. (STLA) and Prosus N.V. (PROSY) have volatilities of 12.86% and 13.53%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	STLA	PROSY	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.86%	13.53%	-0.67%
Volatility (6M) Calculated over the trailing 6-month period	39.81%	26.78%	+13.03%
Volatility (1Y) Calculated over the trailing 1-year period	51.30%	32.25%	+19.05%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	41.85%	43.03%	-1.18%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	41.34%	41.66%	-0.32%

Dividends

STLA vs. PROSY - Dividend Comparison

Neither STLA nor PROSY has paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020
PROSY Prosus N.V.	0.00%	0.00%	0.28%	0.25%	0.20%	0.20%	0.12%
STLA Stellantis N.V.	0.00%	14.26%	12.66%	6.32%	7.90%	2.66%	0.00%

Financials

Frequently Asked Questions

Can I hold both STLA and PROSY in my portfolio?

STLA and PROSY have a correlation of 0.21, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, STLA or PROSY?

PROSY has higher volatility (13.53%) compared to STLA (12.86%). In terms of maximum drawdown, STLA dropped -72.65% vs PROSY's -69.36%.

Which has better risk-adjusted returns?

PROSY currently has the higher Sharpe Ratio (-0.14 vs -0.42), 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.