ATAI vs. PG

Last updated Jun 13, 2026

ATAI (Atai Life Sciences N.V.) and PG (The Procter & Gamble Company) are both stocks. ATAI operates in Biotechnology (Healthcare), while PG operates in Household & Personal Products (Consumer Defensive). Over the past 3 years, ATAI returned 29.14%/yr vs 3.69%/yr for PG. At a 0.04 correlation, their price movements are largely independent.

Performance

ATAI vs. PG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Atai Life Sciences N.V. (ATAI) and The Procter & Gamble Company (PG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ATAI achieves a -4.16% return, which is significantly lower than PG's 5.93% return.

ATAI

• 1D: 3.16%
• 1M: -2.97%
• YTD: -4.16%
• 6M: -8.62%
• 1Y: 85.78%
• 3Y*: 29.14%
• 5Y*: —
• 10Y*: —

PG

• 1D: 0.86%
• 1M: 4.83%
• YTD: 5.93%
• 6M: 6.28%
• 1Y: -3.97%
• 3Y*: 3.69%
• 5Y*: 4.73%
• 10Y*: 8.96%

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

ATAI vs. PG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
ATAI Atai Life Sciences N.V.	-4.16%	207.52%	-5.67%	-46.99%	-65.14%	-63.67%
PG The Procter & Gamble Company	5.93%	-12.26%	17.25%	-0.86%	-5.05%	23.61%

Correlation

The correlation between ATAI and PG is -0.01, 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	-0.01
Correlation (3Y) Calculated over the trailing 3-year period	0.01
Correlation (All Time) Calculated using the full available price history since Jun 18, 2021	0.04

Fundamentals

Market Cap ATAI : $1.40B PG : $361.53B
EPS ATAI : -$2.67 PG : $5.23
PS Ratio ATAI : 279.18 PG : 4.20
PB Ratio ATAI : 7.05 PG : 6.70
Total Revenue (TTM) ATAI : $3.49M PG : $86.72B
Gross Profit (TTM) ATAI : $3.49M PG : $43.64B
EBITDA (TTM) ATAI : -$663.38M PG : $22.63B

Return for Risk

ATAI vs. PG — Risk / Return Rank

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

ATAI

ATAI Risk / Return Rank: 72
ATAI Sharpe Ratio Rank: 73
ATAI Sortino Ratio Rank: 75
ATAI Omega Ratio Rank: 73
ATAI Calmar Ratio Rank: 73
ATAI Martin Ratio Rank: 67

PG

PG Risk / Return Rank: 28
PG Sharpe Ratio Rank: 30
PG Sortino Ratio Rank: 25
PG Omega Ratio Rank: 26
PG Calmar Ratio Rank: 31
PG Martin Ratio Rank: 31

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.

ATAI vs. PG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Atai Life Sciences N.V. (ATAI) and The Procter & Gamble Company (PG). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	ATAI	PG	Difference
Sharpe ratio: Return per unit of total volatility	0.99	-0.30	+1.29
Sortino ratio: Return per unit of downside risk	1.88	-0.31	+2.19
Omega ratio: Gain probability vs. loss probability	1.23	0.97	+0.27
Calmar ratio: Return relative to maximum drawdown	1.67	-0.37	+2.04
Martin ratio: Return relative to average drawdown	2.66	-0.68	+3.34

ATAI vs. PG - Sharpe Ratio Comparison

The current ATAI Sharpe Ratio is 0.99, which is higher than the PG Sharpe Ratio of -0.30. The chart below compares the historical Sharpe Ratios of ATAI and PG, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

ATAI vs. PG - Drawdown Comparison

The maximum ATAI drawdown since its inception was -95.05%, which is greater than PG's maximum drawdown of -54.25%. Use the drawdown chart below to compare losses from any high point for ATAI and PG.

Drawdown Indicators

	ATAI	PG	Difference
Max Drawdown Largest peak-to-trough decline	-95.05%	-54.25%	-40.80%
Max Drawdown (1Y) Largest decline over 1 year	-48.06%	-15.52%	-32.54%
Max Drawdown (3Y) Largest decline over 3 years	-59.23%	-21.15%	-38.08%
Max Drawdown (5Y) Largest decline over 5 years	—	-23.77%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-23.77%	—
Current Drawdown Current decline from peak	-81.33%	-13.29%	-68.04%
Average Drawdown Average peak-to-trough decline	-80.78%	-12.16%	-68.62%
Ulcer Index Depth and duration of drawdowns from previous peaks	30.10%	8.80%	+21.30%

Volatility

ATAI vs. PG - Volatility Comparison

Atai Life Sciences N.V. (ATAI) has a higher volatility of 20.22% compared to The Procter & Gamble Company (PG) at 6.99%. This indicates that ATAI's price experiences larger fluctuations and is considered to be riskier than PG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ATAI	PG	Difference
Volatility (1M) Calculated over the trailing 1-month period	20.22%	6.99%	+13.23%
Volatility (6M) Calculated over the trailing 6-month period	50.17%	15.01%	+35.16%
Volatility (1Y) Calculated over the trailing 1-year period	81.21%	18.78%	+62.43%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	83.71%	17.82%	+65.89%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	83.71%	19.05%	+64.66%

Dividends

ATAI vs. PG - Dividend Comparison

ATAI has not paid dividends to shareholders, while PG's dividend yield for the trailing twelve months is around 2.85%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ATAI Atai Life Sciences N.V.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
PG The Procter & Gamble Company	2.85%	2.91%	2.36%	2.55%	2.38%	2.08%	2.24%	2.37%	3.09%	2.98%	3.18%	3.31%

Financials

Frequently Asked Questions

Can I hold both ATAI and PG in my portfolio?

ATAI and PG have a correlation of -0.01, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ATAI or PG?

ATAI has higher volatility (20.22%) compared to PG (6.99%). In terms of maximum drawdown, ATAI dropped -95.05% vs PG's -54.25%.

Which has better risk-adjusted returns?

ATAI currently has the higher Sharpe Ratio (0.99 vs -0.30), 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.