BAYRY vs. PFE

Last updated Jun 3, 2026

BAYRY (Bayer AG PK) and PFE (Pfizer Inc.) are both stocks. Both operate in the Drug Manufacturers - General industry within the Healthcare sector. Over the past 10 years, BAYRY returned -6.56%/yr vs 1.94%/yr for PFE. At a 0.32 correlation, their price movements are largely independent.

Performance

BAYRY vs. PFE - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Bayer AG PK (BAYRY) and Pfizer Inc. (PFE). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BAYRY achieves a -8.42% return, which is significantly lower than PFE's 6.05% return. Over the past 10 years, BAYRY has underperformed PFE with an annualized return of -6.56%, while PFE has yielded a comparatively higher 1.94% annualized return.

BAYRY

• 1D: -2.66%
• 1M: -11.07%
• YTD: -8.42%
• 6M: 0.91%
• 1Y: 36.87%
• 3Y*: -10.81%
• 5Y*: -7.53%
• 10Y*: -6.56%

PFE

• 1D: -0.31%
• 1M: -1.36%
• YTD: 6.05%
• 6M: 5.00%
• 1Y: 16.52%
• 3Y*: -7.06%
• 5Y*: -3.26%
• 10Y*: 1.94%

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

BAYRY vs. PFE - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BAYRY Bayer AG PK	-8.42%	122.78%	-46.92%	-25.35%	0.35%	-7.34%	-24.48%	19.20%	-41.53%	24.36%
PFE Pfizer Inc.	6.05%	0.65%	-2.22%	-41.26%	-10.41%	66.70%	3.07%	-6.91%	24.82%	15.90%

Correlation

The correlation between BAYRY and PFE is 0.35, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.35
Correlation (3Y) Calculated over the trailing 3-year period	0.33
Correlation (5Y) Calculated over the trailing 5-year period	0.30
Correlation (10Y) Calculated over the trailing 10-year period	0.29
Correlation (All Time) Calculated using the full available price history since Aug 14, 2012	0.32

Fundamentals

Market Cap BAYRY : $38.83B PFE : $146.43B
EPS BAYRY : -$0.53 PFE : $1.31
PS Ratio BAYRY : 0.86 PFE : 2.30
PB Ratio BAYRY : 1.34 PFE : 1.63
Total Revenue (TTM) BAYRY : $45.36B PFE : $63.32B
Gross Profit (TTM) BAYRY : $26.91B PFE : $43.91B
EBITDA (TTM) BAYRY : $7.30B PFE : $16.94B

Return for Risk

BAYRY vs. PFE — Risk / Return Rank

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

BAYRY

BAYRY Risk / Return Rank: 66
BAYRY Sharpe Ratio Rank: 69
BAYRY Sortino Ratio Rank: 66
BAYRY Omega Ratio Rank: 63
BAYRY Calmar Ratio Rank: 65
BAYRY Martin Ratio Rank: 67

PFE

PFE Risk / Return Rank: 62
PFE Sharpe Ratio Rank: 63
PFE Sortino Ratio Rank: 58
PFE Omega Ratio Rank: 55
PFE Calmar Ratio Rank: 67
PFE Martin Ratio Rank: 66

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.

BAYRY vs. PFE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Bayer AG PK (BAYRY) and Pfizer Inc. (PFE). 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.

	BAYRY	PFE	Difference
Sharpe ratio Return per unit of total volatility	0.94	0.70	+0.24
Sortino ratio Return per unit of downside risk	1.57	1.20	+0.37
Omega ratio Gain probability vs. loss probability	1.19	1.14	+0.05
Calmar ratio Return relative to maximum drawdown	1.29	1.43	-0.14
Martin ratio Return relative to average drawdown	3.20	2.97	+0.22
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BAYRY vs. PFE - Sharpe Ratio Comparison

The current BAYRY Sharpe Ratio is 0.94, which is higher than the PFE Sharpe Ratio of 0.70. The chart below compares the historical Sharpe Ratios of BAYRY and PFE, 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

	BAYRY	PFE	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.94	0.70	+0.24
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.22	-0.13	-0.09
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.20	0.08	-0.28
Sharpe Ratio (All Time) Calculated using the full available price history	-0.04	0.23	-0.28

Drawdowns

BAYRY vs. PFE - Drawdown Comparison

The maximum BAYRY drawdown since its inception was -83.33%, which is greater than PFE's maximum drawdown of -58.96%. Use the drawdown chart below to compare losses from any high point for BAYRY and PFE.

Drawdown Indicators

	BAYRY	PFE	Difference
Max Drawdown Largest peak-to-trough decline	-83.33%	-58.96%	-24.37%
Max Drawdown (1Y) Largest decline over 1 year	-31.19%	-11.47%	-19.72%
Max Drawdown (3Y) Largest decline over 3 years	-66.65%	-40.75%	-25.90%
Max Drawdown (5Y) Largest decline over 5 years	-71.71%	-58.96%	-12.75%
Max Drawdown (10Y) Largest decline over 10 years	-83.02%	-58.96%	-24.06%
Current Drawdown Current decline from peak	-65.79%	-47.05%	-18.74%
Average Drawdown Average peak-to-trough decline	-34.31%	-17.68%	-16.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	12.56%	5.51%	+7.05%

Volatility

BAYRY vs. PFE - Volatility Comparison

Bayer AG PK (BAYRY) has a higher volatility of 9.24% compared to Pfizer Inc. (PFE) at 4.00%. This indicates that BAYRY's price experiences larger fluctuations and is considered to be riskier than PFE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BAYRY	PFE	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.24%	4.00%	+5.24%
Volatility (6M) Calculated over the trailing 6-month period	29.54%	14.73%	+14.81%
Volatility (1Y) Calculated over the trailing 1-year period	39.52%	23.84%	+15.68%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	34.23%	25.49%	+8.74%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	32.50%	23.88%	+8.62%

Dividends

BAYRY vs. PFE - Dividend Comparison

BAYRY's dividend yield for the trailing twelve months is around 0.32%, less than PFE's 6.73% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BAYRY Bayer AG PK	0.32%	0.29%	0.60%	6.85%	4.27%	4.48%	3.61%	2.71%	5.69%	4.20%	2.65%	2.03%
PFE Pfizer Inc.	6.73%	6.91%	6.33%	5.70%	3.12%	2.64%	3.92%	3.68%	3.12%	3.53%	3.69%	3.47%

Financials

BAYRY vs. PFE - Profitability Comparison

The chart below illustrates the profitability comparison between Bayer AG PK and Pfizer Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

BAYRY - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Bayer AG PK reported a gross profit of 8.31B and revenue of 13.63B. Therefore, the gross margin over that period was 61.0%.

PFE - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Pfizer Inc. reported a gross profit of 9.72B and revenue of 14.45B. Therefore, the gross margin over that period was 67.3%.

BAYRY - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Bayer AG PK reported an operating income of 3.16B and revenue of 13.63B, resulting in an operating margin of 23.2%.

PFE - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Pfizer Inc. reported an operating income of 4.03B and revenue of 14.45B, resulting in an operating margin of 27.9%.

BAYRY - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Bayer AG PK reported a net income of 2.81B and revenue of 13.63B, resulting in a net margin of 20.6%.

PFE - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Pfizer Inc. reported a net income of 2.69B and revenue of 14.45B, resulting in a net margin of 18.6%.

Frequently Asked Questions

Can I hold both BAYRY and PFE in my portfolio?

BAYRY and PFE have a correlation of 0.35, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BAYRY or PFE?

BAYRY has higher volatility (9.24%) compared to PFE (4.00%). In terms of maximum drawdown, BAYRY dropped -83.33% vs PFE's -58.96%.

Which has better risk-adjusted returns?

BAYRY currently has the higher Sharpe Ratio (0.94 vs 0.70), 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.