BLND vs. ATRA

Last updated Jun 13, 2026

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

Performance

BLND vs. ATRA - Performance Comparison

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

Returns By Period

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

BLND

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

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%

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

BLND vs. ATRA - Yearly Performance Comparison

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

Correlation

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

Return for Risk

BLND vs. ATRA — Risk / Return Rank

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

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

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

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.

BLND vs. ATRA - Risk-Adjusted Trends Comparison

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

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

BLND vs. ATRA - Sharpe Ratio Comparison

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

BLND vs. ATRA - Drawdown Comparison

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

Drawdown Indicators

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

Volatility

BLND vs. ATRA - Volatility Comparison

Blend Labs, Inc. (BLND) has a higher volatility of 23.76% compared to Atara Biotherapeutics, Inc. (ATRA) at 21.61%. This indicates that BLND's price experiences larger fluctuations and is considered to be riskier than ATRA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

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

Dividends

BLND vs. ATRA - Dividend Comparison

Neither BLND nor ATRA has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both BLND and ATRA in my portfolio?

BLND and ATRA 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, BLND or ATRA?

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

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.