RY4C.DE vs. DAL

Last updated Jun 4, 2026

RY4C.DE (Ryanair Holdings plc) and DAL (Delta Air Lines, Inc.) are both stocks. Both operate in the Airlines industry within the Industrials sector. Over the past 10 years, RY4C.DE returned 6.39%/yr vs 7.68%/yr for DAL. At a 0.19 correlation, their price movements are largely independent.

Performance

RY4C.DE vs. DAL - Performance Comparison

The chart below illustrates the hypothetical performance of a €10,000 investment in Ryanair Holdings plc (RY4C.DE) and Delta Air Lines, Inc. (DAL). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

RY4C.DE is traded in EUR, while DAL is traded in USD. To make them comparable, the DAL values have been converted to EUR using the latest available exchange rates.

Returns By Period

In the year-to-date period, RY4C.DE achieves a -14.72% return, which is significantly lower than DAL's 15.49% return. Over the past 10 years, RY4C.DE has underperformed DAL with an annualized return of 6.39%, while DAL has yielded a comparatively higher 7.68% annualized return.

RY4C.DE

• 1D: -0.12%
• 1M: 8.26%
• YTD: -14.72%
• 6M: -9.00%
• 1Y: 9.82%
• 3Y*: 15.47%
• 5Y*: 9.83%
• 10Y*: 6.39%

DAL

• 1D: -1.34%
• 1M: 16.13%
• YTD: 15.49%
• 6M: 18.00%
• 1Y: 60.01%
• 3Y*: 26.61%
• 5Y*: 13.16%
• 10Y*: 7.68%

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

RY4C.DE vs. DAL - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RY4C.DE Ryanair Holdings plc	-14.72%	57.27%	2.56%	51.94%	-18.46%	-8.95%	15.55%	40.79%	-32.22%	5.30%
DAL Delta Air Lines, Inc.	15.49%	2.31%	62.04%	19.34%	-10.71%	4.46%	-36.47%	23.09%	-4.37%	1.94%

Correlation

The correlation between RY4C.DE and DAL is 0.23, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.23
Correlation (3Y) Calculated over the trailing 3-year period	0.20
Correlation (5Y) Calculated over the trailing 5-year period	0.32
Correlation (10Y) Calculated over the trailing 10-year period	0.29
Correlation (All Time) Calculated using the full available price history since Aug 27, 2007	0.19

The correlation between RY4C.DE and DAL shifts across timeframes, from 0.19 (all time) to 0.32 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

RY4C.DE vs. DAL — Risk / Return Rank

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

RY4C.DE

RY4C.DE Risk / Return Rank: 49
RY4C.DE Sharpe Ratio Rank: 52
RY4C.DE Sortino Ratio Rank: 47
RY4C.DE Omega Ratio Rank: 45
RY4C.DE Calmar Ratio Rank: 50
RY4C.DE Martin Ratio Rank: 52

DAL

DAL Risk / Return Rank: 80
DAL Sharpe Ratio Rank: 82
DAL Sortino Ratio Rank: 80
DAL Omega Ratio Rank: 75
DAL Calmar Ratio Rank: 80
DAL 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.

RY4C.DE vs. DAL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Ryanair Holdings plc (RY4C.DE) and Delta Air Lines, Inc. (DAL). 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.

	RY4C.DE	DAL	Difference
Sharpe ratio: Return per unit of total volatility	0.29	1.48	-1.19
Sortino ratio: Return per unit of downside risk	0.71	2.29	-1.57
Omega ratio: Gain probability vs. loss probability	1.08	1.26	-0.18
Calmar ratio: Return relative to maximum drawdown	0.39	2.89	-2.50
Martin ratio: Return relative to average drawdown	0.97	8.62	-7.65
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RY4C.DE vs. DAL - Sharpe Ratio Comparison

The current RY4C.DE Sharpe Ratio is 0.29, which is lower than the DAL Sharpe Ratio of 1.48. The chart below compares the historical Sharpe Ratios of RY4C.DE and DAL, 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

	RY4C.DE	DAL	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.29	1.48	-1.19
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.28	0.33	-0.05
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.17	0.18	-0.02
Sharpe Ratio (All Time) Calculated using the full available price history	0.27	0.19	+0.07

Drawdowns

RY4C.DE vs. DAL - Drawdown Comparison

The maximum RY4C.DE drawdown since its inception was -70.05%, smaller than the maximum DAL drawdown of -80.02%. Use the drawdown chart below to compare losses from any high point for RY4C.DE and DAL.

Drawdown Indicators

	RY4C.DE	DAL	Difference
Max Drawdown Largest peak-to-trough decline	-70.05%	-80.02%	+9.97%
Max Drawdown (1Y) Largest decline over 1 year	-24.89%	-20.88%	-4.01%
Max Drawdown (3Y) Largest decline over 3 years	-36.18%	-50.65%	+14.47%
Max Drawdown (5Y) Largest decline over 5 years	-44.14%	-50.65%	+6.51%
Max Drawdown (10Y) Largest decline over 10 years	-57.06%	-68.26%	+11.20%
Current Drawdown Current decline from peak	-16.09%	-4.44%	-11.65%
Average Drawdown Average peak-to-trough decline	-22.81%	-28.24%	+5.43%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.06%	6.98%	+3.08%

Volatility

RY4C.DE vs. DAL - Volatility Comparison

Ryanair Holdings plc (RY4C.DE) and Delta Air Lines, Inc. (DAL) have volatilities of 12.78% and 12.41%, 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

	RY4C.DE	DAL	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.78%	12.41%	+0.37%
Volatility (6M) Calculated over the trailing 6-month period	26.24%	28.20%	-1.96%
Volatility (1Y) Calculated over the trailing 1-year period	33.94%	40.79%	-6.85%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	35.29%	40.32%	-5.03%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	37.77%	41.84%	-4.07%

Dividends

RY4C.DE vs. DAL - Dividend Comparison

RY4C.DE's dividend yield for the trailing twelve months is around 1.69%, more than DAL's 0.95% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DAL Delta Air Lines, Inc.	0.95%	0.97%	0.83%	0.50%	0.00%	0.00%	1.00%	2.57%	2.63%	1.81%	1.37%	0.89%
RY4C.DE Ryanair Holdings plc	1.69%	1.53%	1.85%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	2.49%

Financials

Frequently Asked Questions

Can I hold both RY4C.DE and DAL in my portfolio?

RY4C.DE and DAL have a correlation of 0.23, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.