BCKIY vs. BLDP

Last updated Jun 4, 2026

BCKIY (Babcock International Group PLC ADR) and BLDP (Ballard Power Systems Inc.) are both stocks. Both are in the Industrials sector — BCKIY in Engineering & Construction, BLDP in Specialty Industrial Machinery. Over the past 5 years, BCKIY returned 32.00%/yr vs -18.64%/yr for BLDP. At a 0.06 correlation, their price movements are largely independent.

Performance

BCKIY vs. BLDP - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Babcock International Group PLC ADR (BCKIY) and Ballard Power Systems Inc. (BLDP). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BCKIY achieves a -19.00% return, which is significantly lower than BLDP's 138.58% return.

BCKIY

• 1D: -1.36%
• 1M: -8.95%
• YTD: -19.00%
• 6M: -9.80%
• 1Y: -3.82%
• 3Y*: 56.92%
• 5Y*: 32.00%
• 10Y*: —

BLDP

• 1D: -5.02%
• 1M: 84.19%
• YTD: 138.58%
• 6M: 126.97%
• 1Y: 366.15%
• 3Y*: 12.03%
• 5Y*: -18.64%
• 10Y*: 15.70%

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

BCKIY vs. BLDP - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
BCKIY Babcock International Group PLC ADR	-19.00%	178.79%	31.52%	39.72%	-16.50%	37.22%	-62.18%
BLDP Ballard Power Systems Inc.	138.58%	53.01%	-55.14%	-22.76%	-61.86%	-46.32%	148.94%

Correlation

The correlation between BCKIY and BLDP is 0.17, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.17
Correlation (3Y) Calculated over the trailing 3-year period	0.09
Correlation (5Y) Calculated over the trailing 5-year period	0.07
Correlation (All Time) Calculated using the full available price history since May 15, 2020	0.06

The correlation between BCKIY and BLDP shifts across timeframes, from 0.06 (all time) to 0.17 (1 year), reflecting how their relationship changes across market environments.

Fundamentals

Total Revenue (TTM) BCKIY : $9.22B BLDP : $103.13M
Gross Profit (TTM) BCKIY : $609.60M BLDP : $11.79M
EBITDA (TTM) BCKIY : $842.30M BLDP : -$77.20M

Return for Risk

BCKIY vs. BLDP — Risk / Return Rank

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

BCKIY

BCKIY Risk / Return Rank: 36
BCKIY Sharpe Ratio Rank: 37
BCKIY Sortino Ratio Rank: 34
BCKIY Omega Ratio Rank: 33
BCKIY Calmar Ratio Rank: 38
BCKIY Martin Ratio Rank: 36

BLDP

BLDP Risk / Return Rank: 95
BLDP Sharpe Ratio Rank: 98
BLDP Sortino Ratio Rank: 96
BLDP Omega Ratio Rank: 93
BLDP Calmar Ratio Rank: 95
BLDP Martin Ratio Rank: 92

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.

BCKIY vs. BLDP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Babcock International Group PLC ADR (BCKIY) and Ballard Power Systems Inc. (BLDP). 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.

	BCKIY	BLDP	Difference
Sharpe ratio Return per unit of total volatility	-0.10	4.52	-4.62
Sortino ratio Return per unit of downside risk	0.15	4.48	-4.33
Omega ratio Gain probability vs. loss probability	1.02	1.52	-0.51
Calmar ratio Return relative to maximum drawdown	-0.10	7.31	-7.40
Martin ratio Return relative to average drawdown	-0.24	14.58	-14.82
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BCKIY vs. BLDP - Sharpe Ratio Comparison

The current BCKIY Sharpe Ratio is -0.10, which is lower than the BLDP Sharpe Ratio of 4.52. The chart below compares the historical Sharpe Ratios of BCKIY and BLDP, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	BCKIY	BLDP	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.10	4.52	-4.62
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.04	-0.27	+0.31
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.22	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.01	0.02	-0.01

Drawdowns

BCKIY vs. BLDP - Drawdown Comparison

The maximum BCKIY drawdown since its inception was -97.46%, roughly equal to the maximum BLDP drawdown of -99.55%. Use the drawdown chart below to compare losses from any high point for BCKIY and BLDP.

Drawdown Indicators

	BCKIY	BLDP	Difference
Max Drawdown Largest peak-to-trough decline	-97.46%	-99.55%	+2.09%
Max Drawdown (1Y) Largest decline over 1 year	-39.74%	-50.50%	+10.76%
Max Drawdown (3Y) Largest decline over 3 years	-39.74%	-80.90%	+41.16%
Max Drawdown (5Y) Largest decline over 5 years	-94.26%	-94.73%	+0.47%
Max Drawdown (10Y) Largest decline over 10 years	—	-97.51%	—
Current Drawdown Current decline from peak	-34.87%	-95.42%	+60.55%
Average Drawdown Average peak-to-trough decline	-29.79%	-82.20%	+52.41%
Ulcer Index Depth and duration of drawdowns from previous peaks	15.76%	25.26%	-9.50%

Volatility

BCKIY vs. BLDP - Volatility Comparison

The current volatility for Babcock International Group PLC ADR (BCKIY) is 13.01%, while Ballard Power Systems Inc. (BLDP) has a volatility of 37.73%. This indicates that BCKIY experiences smaller price fluctuations and is considered to be less risky than BLDP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BCKIY	BLDP	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.01%	37.73%	-24.72%
Volatility (6M) Calculated over the trailing 6-month period	27.86%	55.48%	-27.62%
Volatility (1Y) Calculated over the trailing 1-year period	40.32%	81.58%	-41.26%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	868.53%	68.57%	+799.96%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	800.95%	70.53%	+730.42%

Dividends

BCKIY vs. BLDP - Dividend Comparison

BCKIY's dividend yield for the trailing twelve months is around 0.68%, while BLDP has not paid dividends to shareholders.

Position	TTM	2025	2024	2023
BCKIY Babcock International Group PLC ADR	0.68%	0.55%	1.11%	0.45%
BLDP Ballard Power Systems Inc.	0.00%	0.00%	0.00%	0.00%

Financials

Frequently Asked Questions

Can I hold both BCKIY and BLDP in my portfolio?

BCKIY and BLDP have a correlation of 0.17, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BCKIY or BLDP?

BLDP has higher volatility (37.73%) compared to BCKIY (13.01%). In terms of maximum drawdown, BCKIY dropped -97.46% vs BLDP's -99.55%.

Which has better risk-adjusted returns?

BLDP currently has the higher Sharpe Ratio (4.52 vs -0.10), 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.