RYAAY vs. STM

Last updated Apr 1, 2026

Compare and contrast key facts about Ryanair Holdings plc (RYAAY) and STMicroelectronics N.V. (STM).

Performance

RYAAY vs. STM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Ryanair Holdings plc (RYAAY) and STMicroelectronics N.V. (STM). The values are adjusted to include any dividend payments, if applicable.

RYAAY vs. STM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RYAAY Ryanair Holdings plc	-19.40%	69.01%	-16.14%	78.38%	-26.94%	-6.96%	25.53%	22.81%	-31.53%	25.14%
STM STMicroelectronics N.V.	33.57%	5.28%	-49.67%	41.66%	-26.76%	32.39%	38.91%	96.34%	-35.65%	94.77%

Fundamentals

Market Cap RYAAY : $6.14B STM : $30.75B
EPS RYAAY : $12.59 STM : $0.28
PE Ratio RYAAY : 4.59 STM : 123.52
PS Ratio RYAAY : 0.67 STM : 2.63
PB Ratio RYAAY : 0.70 STM : 1.72
Total Revenue (TTM) RYAAY : $15.30B STM : $11.84B
Gross Profit (TTM) RYAAY : $3.82B STM : $4.01B
EBITDA (TTM) RYAAY : $4.01B STM : $2.41B

Returns By Period

In the year-to-date period, RYAAY achieves a -19.40% return, which is significantly lower than STM's 33.57% return. Over the past 10 years, RYAAY has underperformed STM with an annualized return of 5.84%, while STM has yielded a comparatively higher 21.41% annualized return.

RYAAY

• 1D: 3.42%
• 1M: -14.36%
• YTD: -19.40%
• 6M: -3.38%
• 1Y: 38.56%
• 3Y*: 17.34%
• 5Y*: 5.65%
• 10Y*: 5.84%

STM

• 1D: 10.31%
• 1M: 3.09%
• YTD: 33.57%
• 6M: 23.02%
• 1Y: 59.31%
• 3Y*: -12.68%
• 5Y*: -1.74%
• 10Y*: 21.41%

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

Return for Risk

RYAAY vs. STM — Risk / Return Rank

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

RYAAY

RYAAY Risk / Return Rank: 75
RYAAY Sharpe Ratio Rank: 80
RYAAY Sortino Ratio Rank: 76
RYAAY Omega Ratio Rank: 73
RYAAY Calmar Ratio Rank: 72
RYAAY Martin Ratio Rank: 77

STM

STM Risk / Return Rank: 74
STM Sharpe Ratio Rank: 77
STM Sortino Ratio Rank: 74
STM Omega Ratio Rank: 75
STM Calmar Ratio Rank: 73
STM Martin Ratio Rank: 72

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.

RYAAY vs. STM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Ryanair Holdings plc (RYAAY) and STMicroelectronics N.V. (STM). 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.

	RYAAY	STM	Difference
Sharpe ratio Return per unit of total volatility	1.21	1.08	+0.13
Sortino ratio Return per unit of downside risk	1.86	1.73	+0.13
Omega ratio Gain probability vs. loss probability	1.23	1.24	-0.02
Calmar ratio Return relative to maximum drawdown	1.48	1.59	-0.11
Martin ratio Return relative to average drawdown	4.77	3.60	+1.16
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RYAAY vs. STM - Sharpe Ratio Comparison

The current RYAAY Sharpe Ratio is 1.21, which is comparable to the STM Sharpe Ratio of 1.08. The chart below compares the historical Sharpe Ratios of RYAAY and STM, 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

	RYAAY	STM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.21	1.08	+0.13
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.17	-0.04	+0.21
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.16	0.49	-0.33
Sharpe Ratio (All Time) Calculated using the full available price history	0.39	0.20	+0.20

Correlation

The correlation between RYAAY and STM is 0.30, 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

RYAAY vs. STM - Dividend Comparison

RYAAY's dividend yield for the trailing twelve months is around 1.71%, more than STM's 1.04% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RYAAY Ryanair Holdings plc	1.71%	1.39%	2.65%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	6.27%
STM STMicroelectronics N.V.	1.04%	1.39%	1.32%	0.48%	0.67%	0.45%	0.50%	0.89%	1.73%	0.98%	2.10%	5.11%

Drawdowns

RYAAY vs. STM - Drawdown Comparison

The maximum RYAAY drawdown since its inception was -67.68%, smaller than the maximum STM drawdown of -94.40%. Use the drawdown chart below to compare losses from any high point for RYAAY and STM.

Drawdown Indicators

	RYAAY	STM	Difference
Max Drawdown Largest peak-to-trough decline	-67.68%	-94.40%	+26.72%
Max Drawdown (1Y) Largest decline over 1 year	-23.79%	-36.35%	+12.56%
Max Drawdown (5Y) Largest decline over 5 years	-54.89%	-66.66%	+11.77%
Max Drawdown (10Y) Largest decline over 10 years	-62.50%	-66.66%	+4.16%
Current Drawdown Current decline from peak	-21.18%	-34.41%	+13.23%
Average Drawdown Average peak-to-trough decline	-19.83%	-55.49%	+35.66%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.38%	16.08%	-8.70%

Volatility

RYAAY vs. STM - Volatility Comparison

The current volatility for Ryanair Holdings plc (RYAAY) is 11.90%, while STMicroelectronics N.V. (STM) has a volatility of 18.64%. This indicates that RYAAY experiences smaller price fluctuations and is considered to be less risky than STM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RYAAY	STM	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.90%	18.64%	-6.74%
Volatility (6M) Calculated over the trailing 6-month period	21.88%	35.35%	-13.47%
Volatility (1Y) Calculated over the trailing 1-year period	32.08%	55.35%	-23.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	34.40%	43.15%	-8.75%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	35.95%	43.64%	-7.69%

Financials

RYAAY vs. STM - Profitability Comparison

The chart below illustrates the profitability comparison between Ryanair Holdings plc and STMicroelectronics N.V. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

RYAAY - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Ryanair Holdings plc reported a gross profit of 274.60M and revenue of 3.18B. Therefore, the gross margin over that period was 8.6%.

STM - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, STMicroelectronics N.V. reported a gross profit of 1.46B and revenue of 3.38B. Therefore, the gross margin over that period was 43.3%.

RYAAY - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Ryanair Holdings plc reported an operating income of 102.23M and revenue of 3.18B, resulting in an operating margin of 3.2%.

STM - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, STMicroelectronics N.V. reported an operating income of 206.85M and revenue of 3.38B, resulting in an operating margin of 6.1%.

RYAAY - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Ryanair Holdings plc reported a net income of 30.11M and revenue of 3.18B, resulting in a net margin of 1.0%.

STM - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, STMicroelectronics N.V. reported a net income of -29.98M and revenue of 3.38B, resulting in a net margin of -0.9%.