BBD-B.TO vs. SMMT

Last updated Jun 13, 2026

BBD-B.TO (Bombardier Inc) and SMMT (Summit Therapeutics Inc.) are both stocks. BBD-B.TO operates in Aerospace & Defense (Industrials), while SMMT operates in Biotechnology (Healthcare). Over the past 10 years, BBD-B.TO returned 20.28%/yr vs 6.23%/yr for SMMT. At a 0.08 correlation, their price movements are largely independent.

Performance

BBD-B.TO vs. SMMT - Performance Comparison

The chart below illustrates the hypothetical performance of a CA$10,000 investment in Bombardier Inc (BBD-B.TO) and Summit Therapeutics Inc. (SMMT). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

BBD-B.TO is traded in CAD, while SMMT is traded in USD. To make them comparable, the SMMT values have been converted to CAD using the latest available exchange rates.

Returns By Period

In the year-to-date period, BBD-B.TO achieves a 32.97% return, which is significantly higher than SMMT's -18.19% return. Over the past 10 years, BBD-B.TO has outperformed SMMT with an annualized return of 20.28%, while SMMT has yielded a comparatively lower 6.23% annualized return.

BBD-B.TO

• 1D: -0.80%
• 1M: 16.29%
• YTD: 32.97%
• 6M: 38.16%
• 1Y: 199.93%
• 3Y*: 69.11%
• 5Y*: 63.28%
• 10Y*: 20.28%

SMMT

• 1D: 7.42%
• 1M: -23.86%
• YTD: -18.19%
• 6M: -19.04%
• 1Y: -28.87%
• 3Y*: 96.93%
• 5Y*: 18.90%
• 10Y*: 6.23%

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

BBD-B.TO vs. SMMT - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BBD-B.TO Bombardier Inc	32.97%	138.87%	83.71%	1.80%	24.45%	250.00%	-75.13%	-4.93%	-33.00%	40.28%
SMMT Summit Therapeutics Inc.	-18.19%	-6.46%	641.61%	-40.05%	68.00%	-42.79%	186.78%	33.40%	-88.75%	20.67%

Correlation

The correlation between BBD-B.TO and SMMT 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	0.14
Correlation (5Y) Calculated over the trailing 5-year period	0.15
Correlation (10Y) Calculated over the trailing 10-year period	0.09
Correlation (All Time) Calculated using the full available price history since Mar 5, 2015	0.08

The correlation between BBD-B.TO and SMMT shifts across timeframes, from 0.08 (all time) to 0.19 (1 year), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap BBD-B.TO : CA$31.21B SMMT : $10.86B
EPS BBD-B.TO : $9.32 SMMT : -$1.60
Total Revenue (TTM) BBD-B.TO : $9.60B SMMT : $0.00
Gross Profit (TTM) BBD-B.TO : $1.88B SMMT : -$83.36K
EBITDA (TTM) BBD-B.TO : $1.70B SMMT : -$738.34M

Return for Risk

BBD-B.TO vs. SMMT — Risk / Return Rank

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

BBD-B.TO

BBD-B.TO Risk / Return Rank: 97
BBD-B.TO Sharpe Ratio Rank: 98
BBD-B.TO Sortino Ratio Rank: 97
BBD-B.TO Omega Ratio Rank: 96
BBD-B.TO Calmar Ratio Rank: 98
BBD-B.TO Martin Ratio Rank: 98

SMMT

SMMT Risk / Return Rank: 26
SMMT Sharpe Ratio Rank: 25
SMMT Sortino Ratio Rank: 29
SMMT Omega Ratio Rank: 29
SMMT Calmar Ratio Rank: 23
SMMT Martin Ratio Rank: 26

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.

BBD-B.TO vs. SMMT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Bombardier Inc (BBD-B.TO) and Summit Therapeutics Inc. (SMMT). 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.

	BBD-B.TO	SMMT	Difference
Sharpe ratio: Return per unit of total volatility	3.92	-0.38	+4.31
Sortino ratio: Return per unit of downside risk	4.54	-0.08	+4.62
Omega ratio: Gain probability vs. loss probability	1.57	0.99	+0.58
Calmar ratio: Return relative to maximum drawdown	11.39	-0.53	+11.91
Martin ratio: Return relative to average drawdown	31.20	-0.83	+32.03

BBD-B.TO vs. SMMT - Sharpe Ratio Comparison

The current BBD-B.TO Sharpe Ratio is 3.92, which is higher than the SMMT Sharpe Ratio of -0.38. The chart below compares the historical Sharpe Ratios of BBD-B.TO and SMMT, 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

BBD-B.TO vs. SMMT - Drawdown Comparison

The maximum BBD-B.TO drawdown since its inception was -96.85%, roughly equal to the maximum SMMT drawdown of -95.31%. Use the drawdown chart below to compare losses from any high point for BBD-B.TO and SMMT.

Drawdown Indicators

	BBD-B.TO	SMMT	Difference
Max Drawdown Largest peak-to-trough decline	-96.85%	-95.31%	-1.54%
Max Drawdown (1Y) Largest decline over 1 year	-17.67%	-54.92%	+37.25%
Max Drawdown (3Y) Largest decline over 3 years	-39.54%	-64.24%	+24.70%
Max Drawdown (5Y) Largest decline over 5 years	-66.64%	-91.30%	+24.66%
Max Drawdown (10Y) Largest decline over 10 years	-94.84%	-95.31%	+0.47%
Current Drawdown Current decline from peak	-4.76%	-61.51%	+56.75%
Average Drawdown Average peak-to-trough decline	-57.04%	-56.14%	-0.90%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.44%	34.80%	-28.36%

Volatility

BBD-B.TO vs. SMMT - Volatility Comparison

The current volatility for Bombardier Inc (BBD-B.TO) is 11.91%, while Summit Therapeutics Inc. (SMMT) has a volatility of 23.92%. This indicates that BBD-B.TO experiences smaller price fluctuations and is considered to be less risky than SMMT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BBD-B.TO	SMMT	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.91%	23.92%	-12.01%
Volatility (6M) Calculated over the trailing 6-month period	38.80%	56.88%	-18.08%
Volatility (1Y) Calculated over the trailing 1-year period	51.28%	75.70%	-24.42%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	54.79%	186.45%	-131.66%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	60.28%	145.35%	-85.07%

Dividends

BBD-B.TO vs. SMMT - Dividend Comparison

Neither BBD-B.TO nor SMMT has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

Frequently Asked Questions

Can I hold both BBD-B.TO and SMMT in my portfolio?

BBD-B.TO and SMMT 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.