REPYY vs. SAN

Last updated Jun 3, 2026

REPYY (Repsol SA) and SAN (Banco Santander, S.A.) are both stocks. REPYY operates in Oil & Gas Integrated (Energy), while SAN operates in Banks - Diversified (Financial Services). Over the past 10 years, REPYY returned 13.93%/yr vs 15.09%/yr for SAN. At a 0.47 correlation, their price movements are largely independent.

Performance

REPYY vs. SAN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Repsol SA (REPYY) and Banco Santander, S.A. (SAN). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, REPYY achieves a 47.00% return, which is significantly higher than SAN's 7.10% return. Over the past 10 years, REPYY has underperformed SAN with an annualized return of 13.93%, while SAN has yielded a comparatively higher 15.09% annualized return.

REPYY

• 1D: 1.14%
• 1M: -1.52%
• YTD: 47.00%
• 6M: 45.44%
• 1Y: 107.14%
• 3Y*: 31.22%
• 5Y*: 20.83%
• 10Y*: 13.93%

SAN

• 1D: 0.57%
• 1M: 4.09%
• YTD: 7.10%
• 6M: 14.21%
• 1Y: 58.70%
• 3Y*: 59.24%
• 5Y*: 28.26%
• 10Y*: 15.09%

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

REPYY vs. SAN - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
REPYY Repsol SA	47.00%	66.69%	-13.03%	-2.01%	41.58%	20.97%	-30.67%	6.40%	-7.33%	31.40%
SAN Banco Santander, S.A.	7.10%	164.72%	14.96%	46.20%	-6.62%	10.41%	-21.99%	-2.32%	-28.49%	32.28%

Correlation

The correlation between REPYY and SAN is 0.04, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.04
Correlation (3Y) Calculated over the trailing 3-year period	0.26
Correlation (5Y) Calculated over the trailing 5-year period	0.34
Correlation (10Y) Calculated over the trailing 10-year period	0.45
Correlation (All Time) Calculated using the full available price history since Jan 5, 2016	0.47

Over the past year, the correlation between REPYY and SAN has dropped to 0.04 - well below their long-term average of 0.47, suggesting their price drivers have been diverging.

Fundamentals

Market Cap REPYY : $30.17B SAN : $182.15B
EPS REPYY : $2.16 SAN : $1.06
PE Ratio REPYY : 12.31 SAN : 11.68
PEG Ratio REPYY : 1.62 SAN : 0.62
PS Ratio REPYY : 0.54 SAN : 2.53
PB Ratio REPYY : 1.16 SAN : 1.72
Total Revenue (TTM) REPYY : $55.91B SAN : $74.92B
Gross Profit (TTM) REPYY : $10.82B SAN : $46.97B
EBITDA (TTM) REPYY : $6.32B SAN : $21.14B

Return for Risk

REPYY vs. SAN — Risk / Return Rank

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

REPYY

REPYY Risk / Return Rank: 95
REPYY Sharpe Ratio Rank: 96
REPYY Sortino Ratio Rank: 94
REPYY Omega Ratio Rank: 94
REPYY Calmar Ratio Rank: 94
REPYY Martin Ratio Rank: 95

SAN

SAN Risk / Return Rank: 82
SAN Sharpe Ratio Rank: 85
SAN Sortino Ratio Rank: 81
SAN Omega Ratio Rank: 78
SAN Calmar Ratio Rank: 81
SAN Martin Ratio Rank: 85

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.

REPYY vs. SAN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Repsol SA (REPYY) and Banco Santander, S.A. (SAN). 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.

	REPYY	SAN	Difference
Sharpe ratio Return per unit of total volatility	3.69	1.80	+1.89
Sortino ratio Return per unit of downside risk	3.94	2.44	+1.50
Omega ratio Gain probability vs. loss probability	1.56	1.29	+0.27
Calmar ratio Return relative to maximum drawdown	6.49	2.94	+3.54
Martin ratio Return relative to average drawdown	21.62	9.19	+12.43
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

REPYY vs. SAN - Sharpe Ratio Comparison

The current REPYY Sharpe Ratio is 3.69, which is higher than the SAN Sharpe Ratio of 1.80. The chart below compares the historical Sharpe Ratios of REPYY and SAN, 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

	REPYY	SAN	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.69	1.80	+1.89
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.74	0.84	-0.11
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.43	0.42	+0.01
Sharpe Ratio (All Time) Calculated using the full available price history	0.46	0.23	+0.23

Drawdowns

REPYY vs. SAN - Drawdown Comparison

The maximum REPYY drawdown since its inception was -65.56%, smaller than the maximum SAN drawdown of -82.94%. Use the drawdown chart below to compare losses from any high point for REPYY and SAN.

Drawdown Indicators

	REPYY	SAN	Difference
Max Drawdown Largest peak-to-trough decline	-65.56%	-82.94%	+17.38%
Max Drawdown (1Y) Largest decline over 1 year	-17.30%	-20.29%	+2.99%
Max Drawdown (3Y) Largest decline over 3 years	-34.63%	-20.29%	-14.34%
Max Drawdown (5Y) Largest decline over 5 years	-35.71%	-43.63%	+7.92%
Max Drawdown (10Y) Largest decline over 10 years	-65.56%	-73.84%	+8.28%
Current Drawdown Current decline from peak	-6.73%	-4.90%	-1.83%
Average Drawdown Average peak-to-trough decline	-15.99%	-30.68%	+14.69%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.19%	6.50%	-1.31%

Volatility

REPYY vs. SAN - Volatility Comparison

Repsol SA (REPYY) and Banco Santander, S.A. (SAN) have volatilities of 9.66% and 9.92%, 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

	REPYY	SAN	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.66%	9.92%	-0.26%
Volatility (6M) Calculated over the trailing 6-month period	25.08%	26.59%	-1.51%
Volatility (1Y) Calculated over the trailing 1-year period	29.30%	32.86%	-3.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	28.48%	33.75%	-5.27%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	32.31%	35.85%	-3.54%

Dividends

REPYY vs. SAN - Dividend Comparison

REPYY's dividend yield for the trailing twelve months is around 4.37%, more than SAN's 2.25% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
REPYY Repsol SA	4.37%	5.69%	8.07%	5.03%	4.22%	2.41%	8.21%	8.35%	2.97%	4.31%	3.89%	0.00%
SAN Banco Santander, S.A.	2.25%	2.11%	4.63%	3.58%	3.83%	2.71%	0.00%	6.20%	5.83%	4.60%	3.29%	7.06%

Financials

REPYY vs. SAN - Profitability Comparison

The chart below illustrates the profitability comparison between Repsol SA and Banco Santander, S.A. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

REPYY - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Repsol SA reported a gross profit of 4.68B and revenue of 15.62B. Therefore, the gross margin over that period was 30.0%.

SAN - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Banco Santander, S.A. reported a gross profit of 12.95B and revenue of 31.44B. Therefore, the gross margin over that period was 41.2%.

REPYY - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Repsol SA reported an operating income of 1.92B and revenue of 15.62B, resulting in an operating margin of 12.3%.

SAN - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Banco Santander, S.A. reported an operating income of 5.11B and revenue of 31.44B, resulting in an operating margin of 16.3%.

REPYY - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Repsol SA reported a net income of 929.00M and revenue of 15.62B, resulting in a net margin of 6.0%.

SAN - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Banco Santander, S.A. reported a net income of 5.54B and revenue of 31.44B, resulting in a net margin of 17.6%.

Frequently Asked Questions

Can I hold both REPYY and SAN in my portfolio?

REPYY and SAN have a correlation of 0.04, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, REPYY or SAN?

SAN has higher volatility (9.92%) compared to REPYY (9.66%). In terms of maximum drawdown, REPYY dropped -65.56% vs SAN's -82.94%.

Which has better risk-adjusted returns?

REPYY currently has the higher Sharpe Ratio (3.69 vs 1.80), 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.