BFLY vs. PDSB

Last updated Jun 23, 2026

BFLY (Butterfly Network, Inc.) and PDSB (PDS Biotechnology Corporation) are both stocks. Both are in the Healthcare sector — BFLY in Medical Devices, PDSB in Biotechnology. Over the past 5 years, BFLY returned -12.01%/yr vs -38.82%/yr for PDSB. At a 0.37 correlation, their price movements are largely independent.

Performance

BFLY vs. PDSB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Butterfly Network, Inc. (BFLY) and PDS Biotechnology Corporation (PDSB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BFLY achieves a 91.32% return, which is significantly higher than PDSB's 22.27% return.

BFLY

• 1D: -18.31%
• 1M: 62.64%
• YTD: 91.32%
• 6M: 91.32%
• 1Y: 249.52%
• 3Y*: 51.28%
• 5Y*: -12.01%
• 10Y*: —

PDSB

• 1D: -1.45%
• 1M: -21.57%
• YTD: 22.27%
• 6M: 4.68%
• 1Y: -41.90%
• 3Y*: -44.31%
• 5Y*: -38.82%
• 10Y*: -40.99%

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

BFLY vs. PDSB - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
BFLY Butterfly Network, Inc.	91.32%	21.79%	188.89%	-56.10%	-63.23%	-66.20%	94.78%
PDSB PDS Biotechnology Corporation	22.27%	-52.77%	-67.20%	-62.35%	62.96%	278.50%	5.94%

Correlation

The correlation between BFLY and PDSB is 0.30, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.30
Correlation (3Y) Calculated over the trailing 3-year period	0.32
Correlation (5Y) Calculated over the trailing 5-year period	0.41
Correlation (All Time) Calculated using the full available price history since Jul 13, 2020	0.37

The correlation between BFLY and PDSB shifts across timeframes, from 0.30 (1 year) to 0.41 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap BFLY : $1.86B PDSB : $52.23M
EPS BFLY : -$0.30 PDSB : -$151.55
PB Ratio BFLY : 9.75 PDSB : 0.01
Total Revenue (TTM) BFLY : $102.92M PDSB : $0.00
Gross Profit (TTM) BFLY : $50.64M PDSB : $0.00
EBITDA (TTM) BFLY : -$70.00M PDSB : -$6.54B

Return for Risk

BFLY vs. PDSB — Risk / Return Rank

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

BFLY

BFLY Risk / Return Rank: 91
BFLY Sharpe Ratio Rank: 89
BFLY Sortino Ratio Rank: 91
BFLY Omega Ratio Rank: 88
BFLY Calmar Ratio Rank: 94
BFLY Martin Ratio Rank: 91

PDSB

PDSB Risk / Return Rank: 24
PDSB Sharpe Ratio Rank: 23
PDSB Sortino Ratio Rank: 29
PDSB Omega Ratio Rank: 30
PDSB Calmar Ratio Rank: 18
PDSB Martin Ratio Rank: 20

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.

BFLY vs. PDSB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Butterfly Network, Inc. (BFLY) and PDS Biotechnology Corporation (PDSB). 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.

	BFLY	PDSB	Difference
Sharpe ratio: Return per unit of total volatility	2.04	-0.42	+2.46
Sortino ratio: Return per unit of downside risk	3.23	-0.08	+3.31
Omega ratio: Gain probability vs. loss probability	1.39	0.99	+0.40
Calmar ratio: Return relative to maximum drawdown	6.19	-0.63	+6.82
Martin ratio: Return relative to average drawdown	12.91	-1.04	+13.95

BFLY vs. PDSB - Sharpe Ratio Comparison

The current BFLY Sharpe Ratio is 2.04, which is higher than the PDSB Sharpe Ratio of -0.42. The chart below compares the historical Sharpe Ratios of BFLY and PDSB, 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

BFLY vs. PDSB - Drawdown Comparison

The maximum BFLY drawdown since its inception was -97.40%, roughly equal to the maximum PDSB drawdown of -99.89%. Use the drawdown chart below to compare losses from any high point for BFLY and PDSB.

Drawdown Indicators

	BFLY	PDSB	Difference
Max Drawdown Largest peak-to-trough decline	-97.40%	-99.89%	+2.49%
Max Drawdown (1Y) Largest decline over 1 year	-40.61%	-66.47%	+25.86%
Max Drawdown (3Y) Largest decline over 3 years	-73.20%	-91.86%	+18.66%
Max Drawdown (5Y) Largest decline over 5 years	-95.13%	-96.86%	+1.73%
Max Drawdown (10Y) Largest decline over 10 years	—	-99.85%	—
Current Drawdown Current decline from peak	-73.21%	-99.80%	+26.59%
Average Drawdown Average peak-to-trough decline	-75.95%	-88.20%	+12.25%
Ulcer Index Depth and duration of drawdowns from previous peaks	19.46%	41.08%	-21.62%

Volatility

BFLY vs. PDSB - Volatility Comparison

Butterfly Network, Inc. (BFLY) has a higher volatility of 54.90% compared to PDS Biotechnology Corporation (PDSB) at 32.19%. This indicates that BFLY's price experiences larger fluctuations and is considered to be riskier than PDSB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BFLY	PDSB	Difference
Volatility (1M) Calculated over the trailing 1-month period	54.90%	32.19%	+22.71%
Volatility (6M) Calculated over the trailing 6-month period	86.63%	84.86%	+1.77%
Volatility (1Y) Calculated over the trailing 1-year period	123.40%	99.79%	+23.61%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	101.53%	89.33%	+12.20%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	97.86%	101.49%	-3.63%

Dividends

BFLY vs. PDSB - Dividend Comparison

Neither BFLY nor PDSB has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both BFLY and PDSB in my portfolio?

BFLY and PDSB have a correlation of 0.30, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BFLY or PDSB?

BFLY has higher volatility (54.90%) compared to PDSB (32.19%). In terms of maximum drawdown, BFLY dropped -97.40% vs PDSB's -99.89%.

Which has better risk-adjusted returns?

BFLY currently has the higher Sharpe Ratio (2.04 vs -0.42), 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.