BSX vs. VRNA

Last updated Jun 24, 2026

BSX (Boston Scientific Corporation) and VRNA (Verona Pharma plc) are both stocks. Both are in the Healthcare sector — BSX in Medical Devices, VRNA in Biotechnology. At a 0.12 correlation, their price movements are largely independent.

Performance

BSX vs. VRNA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Boston Scientific Corporation (BSX) and Verona Pharma plc (VRNA). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

BSX

• 1D: 2.86%
• 1M: -21.08%
• YTD: -52.18%
• 6M: -52.54%
• 1Y: -55.45%
• 3Y*: -5.46%
• 5Y*: 0.85%
• 10Y*: 7.38%

VRNA

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

BSX vs. VRNA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BSX Boston Scientific Corporation	-52.18%	6.75%	54.51%	24.94%	8.92%	18.16%	-20.50%	27.96%	42.56%	-4.54%
VRNA Verona Pharma plc	0.00%	130.21%	133.60%	-23.92%	288.84%	-4.00%	21.74%	-40.41%	-18.71%	-12.07%

Correlation

The correlation between BSX and VRNA is 0.09, 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	0.09
Correlation (3Y) Calculated over the trailing 3-year period	0.13
Correlation (5Y) Calculated over the trailing 5-year period	0.15
Correlation (All Time) Calculated using the full available price history since Apr 27, 2017	0.12

Fundamentals

Market Cap BSX : $68.17B VRNA : $9.72B
EPS BSX : $2.38 VRNA : -$0.69
PS Ratio BSX : 3.31 VRNA : 57.97
PB Ratio BSX : 2.64 VRNA : 34.92
Total Revenue (TTM) BSX : $20.62B VRNA : $167.65M
Gross Profit (TTM) BSX : $14.52B VRNA : $159.52M
EBITDA (TTM) BSX : $4.76B VRNA : -$40.86M

Return for Risk

BSX vs. VRNA — Risk / Return Rank

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

BSX

BSX Risk / Return Rank: 2
BSX Sharpe Ratio Rank: 0
BSX Sortino Ratio Rank: 1
BSX Omega Ratio Rank: 1
BSX Calmar Ratio Rank: 5
BSX Martin Ratio Rank: 1

VRNA

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

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.

BSX vs. VRNA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Boston Scientific Corporation (BSX) and Verona Pharma plc (VRNA). 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.

	BSX	VRNA	Difference
Sharpe ratio: Return per unit of total volatility	-1.58	—	—
Sortino ratio: Return per unit of downside risk	-2.46	—	—
Omega ratio: Gain probability vs. loss probability	0.65	—	—
Calmar ratio: Return relative to maximum drawdown	-0.94	—	—
Martin ratio: Return relative to average drawdown	-2.00	—	—

Drawdowns

Drawdown Indicators

	BSX	VRNA	Difference
Max Drawdown Largest peak-to-trough decline	-89.15%	—	—
Max Drawdown (1Y) Largest decline over 1 year	-59.01%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-59.01%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-59.01%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-59.01%	—	—
Current Drawdown Current decline from peak	-57.83%	—	—
Average Drawdown Average peak-to-trough decline	-38.77%	—	—
Ulcer Index Depth and duration of drawdowns from previous peaks	27.71%	—	—

Volatility

Volatility by Period

	BSX	VRNA	Difference
Volatility (1M) Calculated over the trailing 1-month period	14.89%	—	—
Volatility (6M) Calculated over the trailing 6-month period	33.07%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	35.10%	—	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.81%	—	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.34%	—	—

Dividends

BSX vs. VRNA - Dividend Comparison

Neither BSX nor VRNA has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

BSX vs. VRNA - Profitability Comparison

The chart below illustrates the profitability comparison between Boston Scientific Corporation and Verona Pharma plc over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

BSX - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Boston Scientific Corporation reported a gross profit of 3.61B and revenue of 5.20B. Therefore, the gross margin over that period was 69.4%.

VRNA - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Verona Pharma plc reported a gross profit of 71.68M and revenue of 75.14M. Therefore, the gross margin over that period was 95.4%.

BSX - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Boston Scientific Corporation reported an operating income of 1.07B and revenue of 5.20B, resulting in an operating margin of 20.6%.

VRNA - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Verona Pharma plc reported an operating income of 9.69M and revenue of 75.14M, resulting in an operating margin of 12.9%.

BSX - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Boston Scientific Corporation reported a net income of 1.34B and revenue of 5.20B, resulting in a net margin of 25.7%.

VRNA - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Verona Pharma plc reported a net income of 8.69M and revenue of 75.14M, resulting in a net margin of 11.6%.

Frequently Asked Questions

Can I hold both BSX and VRNA in my portfolio?

BSX and VRNA have a correlation of 0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.