RAYG.L vs. BOTG.L

Last updated Jun 4, 2026

RAYG.L (Global X Solar UCITS ETF USD Accumulating) and BOTG.L (Global X Robotics & Artificial Intelligence UCITS ETF USD Distributing) are both exchange-traded funds - RAYG.L is a Energy Equities fund tracking the S&P Global Clean Energy TR USD, while BOTG.L is a Robotics fund tracking the Indxx Global Robotics & Artificial Intelligence Thematic v2 Index. Both are passively managed. Over the past 3 years, RAYG.L returned -4.29%/yr vs 9.90%/yr for BOTG.L. At a 0.32 correlation, their price movements are largely independent. Both charge a 0.50% expense ratio.

Performance

RAYG.L vs. BOTG.L - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in Global X Solar UCITS ETF USD Accumulating (RAYG.L) and Global X Robotics & Artificial Intelligence UCITS ETF USD Distributing (BOTG.L). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RAYG.L achieves a 24.53% return, which is significantly higher than BOTG.L's 9.69% return.

RAYG.L

• 1D: -0.88%
• 1M: 9.70%
• YTD: 24.53%
• 6M: 30.05%
• 1Y: 92.04%
• 3Y*: -4.29%
• 5Y*: —
• 10Y*: —

BOTG.L

• 1D: -0.68%
• 1M: 5.36%
• YTD: 9.69%
• 6M: 13.03%
• 1Y: 29.76%
• 3Y*: 9.90%
• 5Y*: —
• 10Y*: —

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

RAYG.L vs. BOTG.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
RAYG.L Global X Solar UCITS ETF USD Accumulating	24.53%	30.23%	-27.04%	-36.40%	16.05%
BOTG.L Global X Robotics & Artificial Intelligence UCITS ETF USD Distributing	9.69%	5.46%	14.97%	32.61%	-22.40%

Correlation

The correlation between RAYG.L and BOTG.L is 0.32, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.32
Correlation (3Y) Calculated over the trailing 3-year period	0.34
Correlation (All Time) Calculated using the full available price history since Feb 18, 2022	0.32

Return for Risk

RAYG.L vs. BOTG.L — Risk / Return Rank

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

RAYG.L

RAYG.L Risk / Return Rank: 84
RAYG.L Sharpe Ratio Rank: 88
RAYG.L Sortino Ratio Rank: 82
RAYG.L Omega Ratio Rank: 75
RAYG.L Calmar Ratio Rank: 92
RAYG.L Martin Ratio Rank: 81

BOTG.L

BOTG.L Risk / Return Rank: 33
BOTG.L Sharpe Ratio Rank: 30
BOTG.L Sortino Ratio Rank: 31
BOTG.L Omega Ratio Rank: 32
BOTG.L Calmar Ratio Rank: 38
BOTG.L Martin Ratio Rank: 35

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.

RAYG.L vs. BOTG.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Global X Solar UCITS ETF USD Accumulating (RAYG.L) and Global X Robotics & Artificial Intelligence UCITS ETF USD Distributing (BOTG.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.

	RAYG.L	BOTG.L	Difference
Sharpe ratio: Return per unit of total volatility	2.93	1.09	+1.85
Sortino ratio: Return per unit of downside risk	3.67	1.70	+1.97
Omega ratio: Gain probability vs. loss probability	1.44	1.22	+0.22
Calmar ratio: Return relative to maximum drawdown	6.32	1.89	+4.43
Martin ratio: Return relative to average drawdown	16.04	5.32	+10.72
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RAYG.L vs. BOTG.L - Sharpe Ratio Comparison

The current RAYG.L Sharpe Ratio is 2.93, which is higher than the BOTG.L Sharpe Ratio of 1.09. The chart below compares the historical Sharpe Ratios of RAYG.L and BOTG.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

	RAYG.L	BOTG.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.93	1.09	+1.85
Sharpe Ratio (All Time) Calculated using the full available price history	-0.10	0.05	-0.14

Drawdowns

RAYG.L vs. BOTG.L - Drawdown Comparison

The maximum RAYG.L drawdown since its inception was -71.14%, which is greater than BOTG.L's maximum drawdown of -43.70%. Use the drawdown chart below to compare losses from any high point for RAYG.L and BOTG.L.

Drawdown Indicators

	RAYG.L	BOTG.L	Difference
Max Drawdown Largest peak-to-trough decline	-71.14%	-43.70%	-27.44%
Max Drawdown (1Y) Largest decline over 1 year	-14.48%	-15.67%	+1.19%
Max Drawdown (3Y) Largest decline over 3 years	-58.12%	-30.90%	-27.22%
Current Drawdown Current decline from peak	-40.76%	-7.03%	-33.73%
Average Drawdown Average peak-to-trough decline	-42.80%	-19.31%	-23.49%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.72%	5.58%	+0.14%

Volatility

RAYG.L vs. BOTG.L - Volatility Comparison

The current volatility for Global X Solar UCITS ETF USD Accumulating (RAYG.L) is 8.30%, while Global X Robotics & Artificial Intelligence UCITS ETF USD Distributing (BOTG.L) has a volatility of 12.04%. This indicates that RAYG.L experiences smaller price fluctuations and is considered to be less risky than BOTG.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RAYG.L	BOTG.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.30%	12.04%	-3.74%
Volatility (6M) Calculated over the trailing 6-month period	21.44%	19.90%	+1.54%
Volatility (1Y) Calculated over the trailing 1-year period	31.26%	27.34%	+3.92%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	32.58%	28.41%	+4.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	32.58%	28.41%	+4.17%

RAYG.L vs. BOTG.L - Expense Ratio Comparison

Both RAYG.L and BOTG.L have an expense ratio of 0.50%.

Dividends

RAYG.L vs. BOTG.L - Dividend Comparison

RAYG.L has not paid dividends to shareholders, while BOTG.L's dividend yield for the trailing twelve months is around 0.22%.

Position	TTM	2025	2024	2023
BOTG.L Global X Robotics & Artificial Intelligence UCITS ETF USD Distributing	0.22%	0.27%	0.24%	0.08%
RAYG.L Global X Solar UCITS ETF USD Accumulating	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both RAYG.L and BOTG.L in my portfolio?

RAYG.L and BOTG.L have a correlation of 0.32, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, RAYG.L or BOTG.L?

Both ETFs have the same 0.50% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, RAYG.L or BOTG.L?

RAYG.L and BOTG.L have the same expense ratio: 0.50% per year.

What is the main difference between RAYG.L and BOTG.L?

RAYG.L is categorized as Energy Equities, while BOTG.L is Robotics. RAYG.L tracks S&P Global Clean Energy TR USD, while BOTG.L tracks Indxx Global Robotics & Artificial Intelligence Thematic v2 Index.