BUYB.L vs. WRDA.L

Last updated Jun 4, 2026

BUYB.L (Invesco Global Buyback Achievers UCITS ETF) and WRDA.L (UBS Core MSCI World UCITS ETF USD Acc) are both Global Equities funds - BUYB.L tracks the MSCI ACWI NR USD while WRDA.L tracks the MSCI World Index. Both are passively managed. Over the past year, BUYB.L returned 23.43% vs 26.63% for WRDA.L. A 0.75 correlation means they provide meaningful diversification when combined. BUYB.L charges 0.39%/yr vs 0.06%/yr for WRDA.L.

Performance

BUYB.L vs. WRDA.L - Performance Comparison

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

Different Trading Currencies

BUYB.L is traded in USD, while WRDA.L is traded in GBp. To make them comparable, the WRDA.L 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 5.15% return, which is significantly lower than WRDA.L's 9.83% return.

BUYB.L

• 1D: -0.59%
• 1M: -0.48%
• YTD: 5.15%
• 6M: 8.31%
• 1Y: 23.43%
• 3Y*: 21.39%
• 5Y*: 9.61%
• 10Y*: 12.23%

WRDA.L

• 1D: -0.46%
• 1M: 4.20%
• YTD: 9.83%
• 6M: 11.21%
• 1Y: 26.63%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

BUYB.L vs. WRDA.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024
BUYB.L Invesco Global Buyback Achievers UCITS ETF	5.15%	30.80%	13.18%
WRDA.L UBS Core MSCI World UCITS ETF USD Acc	9.83%	21.28%	17.83%

Correlation

The correlation between BUYB.L and WRDA.L is 0.70, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.70
Correlation (All Time) Calculated using the full available price history since Feb 2, 2024	0.75

The correlation between BUYB.L and WRDA.L has been stable across timeframes, ranging from 0.70 to 0.75 - a consistent structural relationship.

Return for Risk

BUYB.L vs. WRDA.L — 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: 61
BUYB.L Sharpe Ratio Rank: 57
BUYB.L Sortino Ratio Rank: 61
BUYB.L Omega Ratio Rank: 55
BUYB.L Calmar Ratio Rank: 70
BUYB.L Martin Ratio Rank: 62

WRDA.L

WRDA.L Risk / Return Rank: 83
WRDA.L Sharpe Ratio Rank: 83
WRDA.L Sortino Ratio Rank: 83
WRDA.L Omega Ratio Rank: 84
WRDA.L Calmar Ratio Rank: 80
WRDA.L Martin Ratio Rank: 83

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. WRDA.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Global Buyback Achievers UCITS ETF (BUYB.L) and UBS Core MSCI World UCITS ETF USD Acc (WRDA.L). 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	WRDA.L	Difference
Sharpe ratio: Return per unit of total volatility	1.95	2.37	-0.42
Sortino ratio: Return per unit of downside risk	2.88	3.48	-0.60
Omega ratio: Gain probability vs. loss probability	1.34	1.43	-0.08
Calmar ratio: Return relative to maximum drawdown	3.50	3.08	+0.41
Martin ratio: Return relative to average drawdown	11.25	13.56	-2.31
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. WRDA.L - Sharpe Ratio Comparison

The current BUYB.L Sharpe Ratio is 1.95, which is comparable to the WRDA.L Sharpe Ratio of 2.37. The chart below compares the historical Sharpe Ratios of BUYB.L and WRDA.L, 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

	BUYB.L	WRDA.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.95	2.37	-0.42
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.59	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.72	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.67	1.60	-0.93

Drawdowns

BUYB.L vs. WRDA.L - Drawdown Comparison

The maximum BUYB.L drawdown since its inception was -38.99%, which is greater than WRDA.L's maximum drawdown of -16.63%. Use the drawdown chart below to compare losses from any high point for BUYB.L and WRDA.L.

Drawdown Indicators

	BUYB.L	WRDA.L	Difference
Max Drawdown Largest peak-to-trough decline	-38.99%	-16.63%	-22.36%
Max Drawdown (1Y) Largest decline over 1 year	-6.67%	-8.60%	+1.93%
Max Drawdown (3Y) Largest decline over 3 years	-16.63%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-26.43%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-38.99%	—	—
Current Drawdown Current decline from peak	-1.25%	-0.46%	-0.79%
Average Drawdown Average peak-to-trough decline	-5.73%	-1.67%	-4.06%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.08%	1.96%	+0.12%

Volatility

BUYB.L vs. WRDA.L - Volatility Comparison

Invesco Global Buyback Achievers UCITS ETF (BUYB.L) has a higher volatility of 3.20% compared to UBS Core MSCI World UCITS ETF USD Acc (WRDA.L) at 2.64%. This indicates that BUYB.L's price experiences larger fluctuations and is considered to be riskier than WRDA.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BUYB.L	WRDA.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.20%	2.64%	+0.56%
Volatility (6M) Calculated over the trailing 6-month period	8.85%	8.38%	+0.47%
Volatility (1Y) Calculated over the trailing 1-year period	12.01%	11.21%	+0.80%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.18%	13.29%	+2.89%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.98%	13.29%	+3.69%

BUYB.L vs. WRDA.L - Expense Ratio Comparison

BUYB.L has a 0.39% expense ratio, which is higher than WRDA.L's 0.06% expense ratio.

Dividends

BUYB.L vs. WRDA.L - Dividend Comparison

BUYB.L's dividend yield for the trailing twelve months is around 1.71%, while WRDA.L has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BUYB.L Invesco Global Buyback Achievers UCITS ETF	1.71%	1.85%	1.84%	1.71%	1.92%	1.22%	1.51%	1.84%	1.35%	1.18%	1.72%	1.30%
WRDA.L UBS Core MSCI World UCITS ETF USD Acc	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both BUYB.L and WRDA.L in my portfolio?

BUYB.L and WRDA.L have a correlation of 0.70, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, BUYB.L or WRDA.L?

On fees, WRDA.L is cheaper at 0.06% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, BUYB.L or WRDA.L?

WRDA.L is cheaper with a 0.06% expense ratio, compared with 0.39% for BUYB.L.

What is the main difference between BUYB.L and WRDA.L?

BUYB.L tracks MSCI ACWI NR USD, while WRDA.L tracks MSCI World Index. They also come from different issuers: Invesco and UBS. Their fees differ too: 0.39% for BUYB.L and 0.06% for WRDA.L.