BUYB.L vs. BBCK.DE

Last updated Apr 2, 2026

Compare and contrast key facts about Invesco Global Buyback Achievers UCITS ETF (BUYB.L) and Invesco Global Buyback Achievers UCITS ETF (BBCK.DE).

BUYB.L and BBCK.DE are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. BUYB.L is a passively managed fund by Invesco that tracks the performance of the MSCI ACWI NR USD. It was launched on Oct 24, 2014. BBCK.DE is a passively managed fund by Invesco that tracks the performance of the Nasdaq Global Buyback Achievers. It was launched on Oct 24, 2014. Both BUYB.L and BBCK.DE are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

BUYB.L vs. BBCK.DE - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Global Buyback Achievers UCITS ETF (BUYB.L) and Invesco Global Buyback Achievers UCITS ETF (BBCK.DE). The values are adjusted to include any dividend payments, if applicable.

BUYB.L vs. BBCK.DE - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BUYB.L Invesco Global Buyback Achievers UCITS ETF	1.65%	30.80%	12.99%	15.60%	-11.41%	19.77%	12.17%	29.44%	-14.23%	21.28%
BBCK.DE Invesco Global Buyback Achievers UCITS ETF	1.39%	31.74%	12.29%	15.27%	-11.60%	20.35%	11.58%	32.75%	-15.43%	20.53%

Different Trading Currencies

BUYB.L is traded in USD, while BBCK.DE is traded in EUR. To make them comparable, the BBCK.DE values have been converted to USD using the latest available exchange rates.

Returns By Period

In the year-to-date period, BUYB.L achieves a 1.65% return, which is significantly higher than BBCK.DE's 1.39% return. Both investments have delivered pretty close results over the past 10 years, with BUYB.L having a 12.15% annualized return and BBCK.DE not far behind at 12.08%.

BUYB.L

• 1D: 1.95%
• 1M: -1.46%
• YTD: 1.65%
• 6M: 7.01%
• 1Y: 24.59%
• 3Y*: 20.03%
• 5Y*: 10.16%
• 10Y*: 12.15%

BBCK.DE

• 1D: 1.60%
• 1M: -1.90%
• YTD: 1.39%
• 6M: 6.73%
• 1Y: 24.51%
• 3Y*: 20.04%
• 5Y*: 10.08%
• 10Y*: 12.08%

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

BUYB.L vs. BBCK.DE - Expense Ratio Comparison

Both BUYB.L and BBCK.DE have an expense ratio of 0.39%.

BUYB.L

Invesco Global Buyback Achievers UCITS ETF

BBCK.DE

Invesco Global Buyback Achievers UCITS ETF

Return for Risk

BUYB.L vs. BBCK.DE — Risk / Return Rank

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

BUYB.L

BUYB.L Risk / Return Rank: 77
BUYB.L Sharpe Ratio Rank: 76
BUYB.L Sortino Ratio Rank: 74
BUYB.L Omega Ratio Rank: 76
BUYB.L Calmar Ratio Rank: 75
BUYB.L Martin Ratio Rank: 83

BBCK.DE

BBCK.DE Risk / Return Rank: 49
BBCK.DE Sharpe Ratio Rank: 46
BBCK.DE Sortino Ratio Rank: 41
BBCK.DE Omega Ratio Rank: 49
BBCK.DE Calmar Ratio Rank: 46
BBCK.DE Martin Ratio Rank: 62

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.

BUYB.L vs. BBCK.DE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Global Buyback Achievers UCITS ETF (BUYB.L) and Invesco Global Buyback Achievers UCITS ETF (BBCK.DE). 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.

	BUYB.L	BBCK.DE	Difference
Sharpe ratio Return per unit of total volatility	1.45	1.36	+0.09
Sortino ratio Return per unit of downside risk	1.95	1.82	+0.12
Omega ratio Gain probability vs. loss probability	1.30	1.28	+0.02
Calmar ratio Return relative to maximum drawdown	2.10	1.83	+0.27
Martin ratio Return relative to average drawdown	10.01	9.05	+0.96
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BUYB.L vs. BBCK.DE - Sharpe Ratio Comparison

The current BUYB.L Sharpe Ratio is 1.45, which is comparable to the BBCK.DE Sharpe Ratio of 1.36. The chart below compares the historical Sharpe Ratios of BUYB.L and BBCK.DE, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	BUYB.L	BBCK.DE	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.45	1.36	+0.09
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.63	0.63	-0.01
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.72	0.89	-0.18
Sharpe Ratio (All Time) Calculated using the full available price history	0.66	0.80	-0.14

Correlation

The correlation between BUYB.L and BBCK.DE is 0.68, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

BUYB.L vs. BBCK.DE - Dividend Comparison

BUYB.L's dividend yield for the trailing twelve months is around 1.77%, which matches BBCK.DE's 1.77% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BUYB.L Invesco Global Buyback Achievers UCITS ETF	1.77%	1.85%	1.84%	1.71%	1.92%	1.22%	1.51%	1.84%	1.35%	1.18%	1.72%	1.30%
BBCK.DE Invesco Global Buyback Achievers UCITS ETF	1.77%	1.88%	1.79%	1.75%	1.97%	1.18%	1.61%	1.84%	1.35%	1.18%	1.63%	1.28%

Drawdowns

BUYB.L vs. BBCK.DE - Drawdown Comparison

The maximum BUYB.L drawdown since its inception was -38.99%, which is greater than BBCK.DE's maximum drawdown of -35.44%. Use the drawdown chart below to compare losses from any high point for BUYB.L and BBCK.DE.

Drawdown Indicators

	BUYB.L	BBCK.DE	Difference
Max Drawdown Largest peak-to-trough decline	-38.99%	-33.23%	-5.76%
Max Drawdown (1Y) Largest decline over 1 year	-15.13%	-16.76%	+1.63%
Max Drawdown (5Y) Largest decline over 5 years	-26.43%	-21.54%	-4.89%
Max Drawdown (10Y) Largest decline over 10 years	-38.99%	-33.23%	-5.76%
Current Drawdown Current decline from peak	-3.99%	-2.21%	-1.78%
Average Drawdown Average peak-to-trough decline	-5.79%	-4.69%	-1.10%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.43%	2.37%	+0.06%

Volatility

BUYB.L vs. BBCK.DE - Volatility Comparison

Invesco Global Buyback Achievers UCITS ETF (BUYB.L) has a higher volatility of 4.54% compared to Invesco Global Buyback Achievers UCITS ETF (BBCK.DE) at 3.84%. This indicates that BUYB.L's price experiences larger fluctuations and is considered to be riskier than BBCK.DE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BUYB.L	BBCK.DE	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.54%	3.84%	+0.70%
Volatility (6M) Calculated over the trailing 6-month period	9.24%	9.36%	-0.12%
Volatility (1Y) Calculated over the trailing 1-year period	16.95%	17.99%	-1.04%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.21%	17.03%	-0.82%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.96%	19.74%	-2.78%