PortfoliosLab logoPortfoliosLab logo

Documentation

Upgrade your plan
ISO.AX vs. BILL.AX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

ISO.AX vs. BILL.AX

Last updated Jul 16, 2026
Documentation

ISO.AX (iShares S&P/ASX Small Ordinaries ETF) and BILL.AX (iShares Core Cash ETF) are both exchange-traded funds - ISO.AX is a Small Cap Blend Equities fund tracking the iShares S&P/ASX Small Ordinaries Index, while BILL.AX is a Money Market fund tracking the S&P/ASX Bank Bill Index. Both are passively managed. Over the past 5 years, ISO.AX returned 1.90%/yr vs 3.25%/yr for BILL.AX. At a correlation of -0.03, they often move in opposite directions.

Performance

ISO.AX vs. BILL.AX - Performance Comparison

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

Loading charts...

Returns By Period

In the year-to-date period, ISO.AX achieves a -9.91% return, which is significantly lower than BILL.AX's 2.24% return.

ISO.AX

1D
-0.20%
1M
-4.80%
6M
-13.08%
YTD
-9.91%
1Y
4.17%
3Y*
6.97%
5Y*
1.90%
10Y*
5.50%

BILL.AX

1D
0.04%
1M
0.40%
6M
2.09%
YTD
2.24%
1Y
4.03%
3Y*
4.36%
5Y*
3.25%
10Y*
—
*Multi-year figures are annualized to reflect compound growth (CAGR)

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

2026 (YTD)202520242023202220212020201920182017
ISO.AX
iShares S&P/ASX Small Ordinaries ETF		-9.91%23.98%6.92%7.36%-18.61%16.08%8.74%20.36%-8.59%20.02%
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%

Correlation

The correlation between ISO.AX and BILL.AX is 0.01, 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

0.01

Correlation (3Y)
Calculated over the trailing 3-year period

0.01

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

-0.03

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

iShares S&P/ASX Small Ordinaries ETF

iShares Core Cash ETF

Return for Risk

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

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
ISO.AX
ISO.AX Risk / Return Rank: 1212
Overall Rank
ISO.AX Sharpe Ratio Rank: 1313
Sharpe Ratio Rank
ISO.AX Sortino Ratio Rank: 1212
Sortino Ratio Rank
ISO.AX Omega Ratio Rank: 1212
Omega Ratio Rank
ISO.AX Calmar Ratio Rank: 1212
Calmar Ratio Rank
ISO.AX Martin Ratio Rank: 1212
Martin Ratio Rank
BILL.AX
BILL.AX Risk / Return Rank: 9898
Overall Rank
BILL.AX Sharpe Ratio Rank: 9898
Sharpe Ratio Rank
BILL.AX Sortino Ratio Rank: 9898
Sortino Ratio Rank
BILL.AX Omega Ratio Rank: 9999
Omega Ratio Rank
BILL.AX Calmar Ratio Rank: 9898
Calmar Ratio Rank
BILL.AX Martin Ratio Rank: 9797
Martin Ratio Rank
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.

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

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

ISO.AXBILL.AXDifference
Sharpe ratioReturn per unit of total volatility
0.22
4.34

-4.13

Sortino ratioReturn per unit of downside risk
0.43
6.56

-6.12

Omega ratioGain probability vs. loss probability

1.05

3.26

-2.21

Calmar ratioReturn relative to maximum drawdown

0.22

11.39

-11.17

Martin ratioReturn relative to average drawdown

0.48

37.49

-37.02

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

The current ISO.AX Sharpe Ratio is 0.22, which is lower than the BILL.AX Sharpe Ratio of 4.34. The chart below compares the historical Sharpe Ratios of ISO.AX and BILL.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.

Loading charts...

Drawdowns

ISO.AX vs. BILL.AX - Drawdown Comparison

The maximum ISO.AX drawdown since its inception was -42.99%, which is greater than BILL.AX's maximum drawdown of -0.37%. Use the drawdown chart below to compare losses from any high point for ISO.AX and BILL.AX.

Loading charts...

Drawdown Indicators

ISO.AXBILL.AXDifference

Max Drawdown

Largest peak-to-trough decline

-42.99%

-0.37%

-42.62%

Max Drawdown (1Y)

Largest decline over 1 year

-18.29%

-0.34%

-17.95%

Max Drawdown (3Y)

Largest decline over 3 years

-18.29%

-0.37%

-17.92%

Max Drawdown (5Y)

Largest decline over 5 years

-26.29%

-0.37%

-25.92%

Max Drawdown (10Y)

Largest decline over 10 years

-42.99%

—

—

Current Drawdown

Current decline from peak

-14.36%

0.00%

-14.36%

Average Drawdown

Average peak-to-trough decline

-11.88%

-0.02%

-11.86%

Ulcer Index

Depth and duration of drawdowns from previous peaks

8.61%

0.10%

+8.51%

Volatility

ISO.AX vs. BILL.AX - Volatility Comparison

iShares S&P/ASX Small Ordinaries ETF (ISO.AX) has a higher volatility of 3.38% compared to iShares Core Cash ETF (BILL.AX) at 0.07%. This indicates that ISO.AX's price experiences larger fluctuations and is considered to be riskier than BILL.AX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Loading charts...

Volatility by Period

ISO.AXBILL.AXDifference

Volatility (1M)

Calculated over the trailing 1-month period

3.38%

0.07%

+3.31%

Volatility (6M)

Calculated over the trailing 6-month period

15.37%

0.64%

+14.73%

Volatility (1Y)

Calculated over the trailing 1-year period

18.63%

0.89%

+17.74%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

17.09%

0.69%

+16.40%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

17.41%

0.55%

+16.86%

Dividends

ISO.AX vs. BILL.AX - Dividend Comparison

ISO.AX's dividend yield for the trailing twelve months is around 3.39%, less than BILL.AX's 3.97% yield.

PositionTTM20252024202320222021202020192018201720162015
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%
ISO.AX
iShares S&P/ASX Small Ordinaries ETF		3.39%1.90%1.83%2.72%8.08%6.81%2.50%7.22%2.14%2.10%1.08%3.26%

Frequently Asked Questions

ISO.AX and BILL.AX have a correlation of 0.01, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

ISO.AX is categorized as Small Cap Blend Equities, while BILL.AX is Money Market. ISO.AX tracks iShares S&P/ASX Small Ordinaries Index, while BILL.AX tracks S&P/ASX Bank Bill Index.

Portfolio Optimizer

Find the right allocation for ISO.AX and BILL.AX

Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

Open Portfolio Optimizer