ATRA vs. BLND

Last updated Jun 13, 2026

ATRA (Atara Biotherapeutics, Inc.) and BLND (Blend Labs, Inc.) are both stocks. ATRA operates in Biotechnology (Healthcare), while BLND operates in Software - Application (Technology). Over the past 3 years, ATRA returned -42.05%/yr vs 16.10%/yr for BLND. At a 0.22 correlation, their price movements are largely independent.

Performance

ATRA vs. BLND - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Atara Biotherapeutics, Inc. (ATRA) and Blend Labs, Inc. (BLND). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with ATRA having a -42.45% return and BLND slightly lower at -44.41%.

ATRA

• 1D: -0.48%
• 1M: -0.67%
• YTD: -42.45%
• 6M: -42.15%
• 1Y: 19.52%
• 3Y*: -42.05%
• 5Y*: -50.77%
• 10Y*: -31.94%

BLND

• 1D: -3.43%
• 1M: 15.75%
• YTD: -44.41%
• 6M: -46.01%
• 1Y: -51.85%
• 3Y*: 16.10%
• 5Y*: —
• 10Y*: —

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

ATRA vs. BLND - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
ATRA Atara Biotherapeutics, Inc.	-42.45%	35.91%	3.82%	-84.37%	-79.19%	15.20%
BLND Blend Labs, Inc.	-44.41%	-27.79%	65.10%	77.08%	-80.38%	-63.30%

Correlation

The correlation between ATRA and BLND is 0.19, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.19
Correlation (3Y) Calculated over the trailing 3-year period	0.16
Correlation (All Time) Calculated using the full available price history since Jul 16, 2021	0.22

Fundamentals

Market Cap ATRA : $146.58M BLND : $432.01M
EPS ATRA : -$0.72 BLND : -$0.04
PS Ratio ATRA : 6.06 BLND : 3.45
Total Revenue (TTM) ATRA : $22.62M BLND : $127.59M
Gross Profit (TTM) ATRA : $21.73M BLND : $95.50M
EBITDA (TTM) ATRA : -$6.92M BLND : -$16.09M

Return for Risk

ATRA vs. BLND — Risk / Return Rank

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

ATRA

ATRA Risk / Return Rank: 56
ATRA Sharpe Ratio Rank: 47
ATRA Sortino Ratio Rank: 65
ATRA Omega Ratio Rank: 70
ATRA Calmar Ratio Rank: 49
ATRA Martin Ratio Rank: 48

BLND

BLND Risk / Return Rank: 14
BLND Sharpe Ratio Rank: 12
BLND Sortino Ratio Rank: 14
BLND Omega Ratio Rank: 15
BLND Calmar Ratio Rank: 14
BLND Martin Ratio Rank: 14

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.

ATRA vs. BLND - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Atara Biotherapeutics, Inc. (ATRA) and Blend Labs, Inc. (BLND). 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.

	ATRA	BLND	Difference
Sharpe ratio: Return per unit of total volatility	0.14	-0.73	+0.86
Sortino ratio: Return per unit of downside risk	1.38	-0.87	+2.25
Omega ratio: Gain probability vs. loss probability	1.22	0.89	+0.32
Calmar ratio: Return relative to maximum drawdown	0.25	-0.76	+1.01
Martin ratio: Return relative to average drawdown	0.44	-1.25	+1.69

ATRA vs. BLND - Sharpe Ratio Comparison

The current ATRA Sharpe Ratio is 0.14, which is higher than the BLND Sharpe Ratio of -0.73. The chart below compares the historical Sharpe Ratios of ATRA and BLND, 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

ATRA vs. BLND - Drawdown Comparison

The maximum ATRA drawdown since its inception was -99.74%, roughly equal to the maximum BLND drawdown of -97.37%. Use the drawdown chart below to compare losses from any high point for ATRA and BLND.

Drawdown Indicators

	ATRA	BLND	Difference
Max Drawdown Largest peak-to-trough decline	-99.74%	-97.37%	-2.37%
Max Drawdown (1Y) Largest decline over 1 year	-76.89%	-68.42%	-8.47%
Max Drawdown (3Y) Largest decline over 3 years	-92.76%	-74.21%	-18.55%
Max Drawdown (5Y) Largest decline over 5 years	-99.16%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-99.68%	—	—
Current Drawdown Current decline from peak	-99.35%	-91.91%	-7.44%
Average Drawdown Average peak-to-trough decline	-74.03%	-81.07%	+7.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	44.08%	41.53%	+2.55%

Volatility

ATRA vs. BLND - Volatility Comparison

The current volatility for Atara Biotherapeutics, Inc. (ATRA) is 21.61%, while Blend Labs, Inc. (BLND) has a volatility of 23.76%. This indicates that ATRA experiences smaller price fluctuations and is considered to be less risky than BLND based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ATRA	BLND	Difference
Volatility (1M) Calculated over the trailing 1-month period	21.61%	23.76%	-2.15%
Volatility (6M) Calculated over the trailing 6-month period	131.62%	54.66%	+76.96%
Volatility (1Y) Calculated over the trailing 1-year period	143.90%	71.73%	+72.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	121.99%	84.34%	+37.65%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	100.19%	84.34%	+15.85%

Dividends

ATRA vs. BLND - Dividend Comparison

Neither ATRA nor BLND has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both ATRA and BLND in my portfolio?

ATRA and BLND have a correlation of 0.19, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ATRA or BLND?

BLND has higher volatility (23.76%) compared to ATRA (21.61%). In terms of maximum drawdown, ATRA dropped -99.74% vs BLND's -97.37%.

Which has better risk-adjusted returns?

ATRA currently has the higher Sharpe Ratio (0.14 vs -0.73), 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.