CMB1.L vs. IREN

Last updated Jun 16, 2026

CMB1.L (iShares FTSE MIB UCITS ETF (Acc)) is Europe Equities fund tracking the FTSE Italia AllShare TR EUR, while IREN (IREN Limited) is a stock. Over the past 3 years, CMB1.L returned 29.27%/yr vs 157.20%/yr for IREN. At a 0.16 correlation, their price movements are largely independent.

Performance

CMB1.L vs. IREN - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in iShares FTSE MIB UCITS ETF (Acc) (CMB1.L) and IREN Limited (IREN). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

CMB1.L is traded in GBp, while IREN is traded in USD. To make them comparable, the IREN values have been converted to GBp using the latest available exchange rates.

Returns By Period

In the year-to-date period, CMB1.L achieves a 17.38% return, which is significantly lower than IREN's 61.82% return.

CMB1.L

• 1D: 0.88%
• 1M: 6.08%
• YTD: 17.38%
• 6M: 18.38%
• 1Y: 39.41%
• 3Y*: 29.27%
• 5Y*: 20.47%
• 10Y*: 16.95%

IREN

• 1D: 1.74%
• 1M: 14.16%
• YTD: 61.82%
• 6M: 71.03%
• 1Y: 526.31%
• 3Y*: 157.20%
• 5Y*: —
• 10Y*: —

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

CMB1.L vs. IREN - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
CMB1.L iShares FTSE MIB UCITS ETF (Acc)	17.38%	43.83%	13.25%	30.68%	-3.56%	-2.21%
IREN IREN Limited	61.82%	257.22%	39.74%	443.41%	-91.35%	-42.43%

Correlation

The correlation between CMB1.L and IREN is 0.14, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.14
Correlation (3Y) Calculated over the trailing 3-year period	0.14
Correlation (All Time) Calculated using the full available price history since Nov 17, 2021	0.16

Return for Risk

CMB1.L vs. IREN — Risk / Return Rank

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

CMB1.L

CMB1.L Risk / Return Rank: 81
CMB1.L Sharpe Ratio Rank: 86
CMB1.L Sortino Ratio Rank: 84
CMB1.L Omega Ratio Rank: 81
CMB1.L Calmar Ratio Rank: 78
CMB1.L Martin Ratio Rank: 77

IREN

IREN Risk / Return Rank: 95
IREN Sharpe Ratio Rank: 99
IREN Sortino Ratio Rank: 94
IREN Omega Ratio Rank: 91
IREN Calmar Ratio Rank: 97
IREN Martin Ratio Rank: 94

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.

CMB1.L vs. IREN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares FTSE MIB UCITS ETF (Acc) (CMB1.L) and IREN Limited (IREN). 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.

	CMB1.L	IREN	Difference
Sharpe ratio: Return per unit of total volatility	2.59	5.21	-2.61
Sortino ratio: Return per unit of downside risk	3.48	3.79	-0.30
Omega ratio: Gain probability vs. loss probability	1.45	1.44	+0.01
Calmar ratio: Return relative to maximum drawdown	3.80	8.99	-5.19
Martin ratio: Return relative to average drawdown	13.91	16.58	-2.67

CMB1.L vs. IREN - Sharpe Ratio Comparison

The current CMB1.L Sharpe Ratio is 2.59, which is lower than the IREN Sharpe Ratio of 5.21. The chart below compares the historical Sharpe Ratios of CMB1.L and IREN, 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

CMB1.L vs. IREN - Drawdown Comparison

The maximum CMB1.L drawdown since its inception was -56.05%, smaller than the maximum IREN drawdown of -95.75%. Use the drawdown chart below to compare losses from any high point for CMB1.L and IREN.

Drawdown Indicators

	CMB1.L	IREN	Difference
Max Drawdown Largest peak-to-trough decline	-56.05%	-95.75%	+39.70%
Max Drawdown (1Y) Largest decline over 1 year	-10.32%	-59.04%	+48.72%
Max Drawdown (3Y) Largest decline over 3 years	-15.62%	-65.90%	+50.28%
Max Drawdown (5Y) Largest decline over 5 years	-24.19%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-36.61%	—	—
Current Drawdown Current decline from peak	0.00%	-22.54%	+22.54%
Average Drawdown Average peak-to-trough decline	-15.23%	-64.52%	+49.29%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.82%	31.96%	-29.14%

Volatility

CMB1.L vs. IREN - Volatility Comparison

The current volatility for iShares FTSE MIB UCITS ETF (Acc) (CMB1.L) is 3.86%, while IREN Limited (IREN) has a volatility of 33.32%. This indicates that CMB1.L experiences smaller price fluctuations and is considered to be less risky than IREN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CMB1.L	IREN	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.86%	33.32%	-29.46%
Volatility (6M) Calculated over the trailing 6-month period	12.31%	74.17%	-61.86%
Volatility (1Y) Calculated over the trailing 1-year period	15.16%	102.18%	-87.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.02%	117.28%	-99.26%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.25%	117.28%	-97.03%

Dividends

CMB1.L vs. IREN - Dividend Comparison

Neither CMB1.L nor IREN has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both CMB1.L and IREN in my portfolio?

CMB1.L and IREN have a correlation of 0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.