BILL.AX vs. IOZ.AX

Last updated Jul 16, 2026

BILL.AX (iShares Core Cash ETF) and IOZ.AX (Ishares Core S&P/ASX 200 ETF) are both exchange-traded funds - BILL.AX is a Money Market fund tracking the S&P/ASX Bank Bill Index, while IOZ.AX is a Australia Equities fund tracking the S&P/ASX 200 Index. Both are passively managed. Over the past 5 years, BILL.AX returned 3.25%/yr vs 7.72%/yr for IOZ.AX. At a correlation of -0.02, they often move in opposite directions. BILL.AX charges 0.07%/yr vs 0.05%/yr for IOZ.AX.

Performance

BILL.AX vs. IOZ.AX - Performance Comparison

The chart below illustrates the hypothetical performance of a A$10,000 investment in iShares Core Cash ETF (BILL.AX) and Ishares Core S&P/ASX 200 ETF (IOZ.AX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BILL.AX achieves a 2.24% return, which is significantly lower than IOZ.AX's 3.07% return.

BILL.AX

• 1D: 0.04%
• 1M: 0.40%
• 6M: 2.09%
• YTD: 2.24%
• 1Y: 4.03%
• 3Y*: 4.36%
• 5Y*: 3.25%
• 10Y*: —

IOZ.AX

• 1D: 0.11%
• 1M: -0.68%
• 6M: 1.81%
• YTD: 3.07%
• 1Y: 5.71%
• 3Y*: 10.31%
• 5Y*: 7.72%
• 10Y*: 8.95%

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

BILL.AX vs. IOZ.AX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BILL.AX iShares Core Cash ETF	2.24%	4.25%	4.57%	3.93%	1.30%	0.00%	0.39%	1.52%	1.91%	0.88%
IOZ.AX Ishares Core S&P/ASX 200 ETF	3.07%	10.22%	11.35%	12.19%	-0.91%	16.90%	1.35%	23.29%	-2.99%	8.30%

Correlation

The correlation between BILL.AX and IOZ.AX is -0.04, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.04
Correlation (3Y) Calculated over the trailing 3-year period	-0.02
Correlation (5Y) Calculated over the trailing 5-year period	-0.04
Correlation (All Time) Calculated using the full available price history since Jun 2, 2017	-0.02

Return for Risk

BILL.AX vs. IOZ.AX — Risk / Return Rank

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

BILL.AX

BILL.AX Risk / Return Rank: 98
BILL.AX Sharpe Ratio Rank: 98
BILL.AX Sortino Ratio Rank: 98
BILL.AX Omega Ratio Rank: 99
BILL.AX Calmar Ratio Rank: 98
BILL.AX Martin Ratio Rank: 97

IOZ.AX

IOZ.AX Risk / Return Rank: 19
IOZ.AX Sharpe Ratio Rank: 19
IOZ.AX Sortino Ratio Rank: 18
IOZ.AX Omega Ratio Rank: 18
IOZ.AX Calmar Ratio Rank: 20
IOZ.AX Martin Ratio Rank: 20

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.

BILL.AX vs. IOZ.AX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Core Cash ETF (BILL.AX) and Ishares Core S&P/ASX 200 ETF (IOZ.AX). 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.

	BILL.AX	IOZ.AX	Difference
Sharpe ratio: Return per unit of total volatility	4.34	0.53	+3.82
Sortino ratio: Return per unit of downside risk	6.56	0.83	+5.72
Omega ratio: Gain probability vs. loss probability	3.26	1.10	+2.16
Calmar ratio: Return relative to maximum drawdown	11.39	0.75	+10.64
Martin ratio: Return relative to average drawdown	37.49	1.80	+35.69

BILL.AX vs. IOZ.AX - Sharpe Ratio Comparison

The current BILL.AX Sharpe Ratio is 4.34, which is higher than the IOZ.AX Sharpe Ratio of 0.53. The chart below compares the historical Sharpe Ratios of BILL.AX and IOZ.AX, 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

BILL.AX vs. IOZ.AX - Drawdown Comparison

The maximum BILL.AX drawdown since its inception was -0.37%, smaller than the maximum IOZ.AX drawdown of -35.75%. Use the drawdown chart below to compare losses from any high point for BILL.AX and IOZ.AX.

Drawdown Indicators

	BILL.AX	IOZ.AX	Difference
Max Drawdown Largest peak-to-trough decline	-0.37%	-35.75%	+35.38%
Max Drawdown (1Y) Largest decline over 1 year	-0.34%	-8.45%	+8.11%
Max Drawdown (3Y) Largest decline over 3 years	-0.37%	-13.35%	+12.98%
Max Drawdown (5Y) Largest decline over 5 years	-0.37%	-14.92%	+14.55%
Max Drawdown (10Y) Largest decline over 10 years	—	-35.75%	—
Current Drawdown Current decline from peak	0.00%	-2.78%	+2.78%
Average Drawdown Average peak-to-trough decline	-0.02%	-4.70%	+4.68%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.10%	3.61%	-3.51%

Volatility

BILL.AX vs. IOZ.AX - Volatility Comparison

The current volatility for iShares Core Cash ETF (BILL.AX) is 0.07%, while Ishares Core S&P/ASX 200 ETF (IOZ.AX) has a volatility of 2.34%. This indicates that BILL.AX experiences smaller price fluctuations and is considered to be less risky than IOZ.AX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BILL.AX	IOZ.AX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.07%	2.34%	-2.27%
Volatility (6M) Calculated over the trailing 6-month period	0.64%	9.91%	-9.27%
Volatility (1Y) Calculated over the trailing 1-year period	0.89%	12.17%	-11.28%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.69%	12.86%	-12.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.55%	14.28%	-13.73%

BILL.AX vs. IOZ.AX - Expense Ratio Comparison

BILL.AX has a 0.07% expense ratio, which is higher than IOZ.AX's 0.05% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

BILL.AX vs. IOZ.AX - Dividend Comparison

BILL.AX's dividend yield for the trailing twelve months is around 3.97%, more than IOZ.AX's 3.42% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BILL.AX iShares Core Cash ETF	3.97%	4.13%	4.46%	3.69%	0.98%	0.02%	0.46%	1.50%	1.83%	0.61%	0.00%	0.00%
IOZ.AX Ishares Core S&P/ASX 200 ETF	3.42%	3.39%	3.47%	3.73%	6.11%	3.32%	2.40%	4.62%	4.27%	3.90%	4.89%	7.69%

Frequently Asked Questions

Can I hold both BILL.AX and IOZ.AX in my portfolio?

BILL.AX and IOZ.AX have a correlation of -0.04, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, BILL.AX or IOZ.AX?

On fees, IOZ.AX is cheaper at 0.05% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, BILL.AX or IOZ.AX?

IOZ.AX is cheaper with a 0.05% expense ratio, compared with 0.07% for BILL.AX.

What is the main difference between BILL.AX and IOZ.AX?

BILL.AX is categorized as Money Market, while IOZ.AX is Australia Equities. BILL.AX tracks S&P/ASX Bank Bill Index, while IOZ.AX tracks S&P/ASX 200 Index. Their fees differ too: 0.07% for BILL.AX and 0.05% for IOZ.AX.