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IGB.AX vs. RSM.AX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

IGB.AX vs. RSM.AX

Last updated Jul 16, 2026
Documentation

IGB.AX (iShares Treasury ETF) and RSM.AX (Russell Investments Australian Semi-Government Bond ETF) are both Government Bonds funds - IGB.AX tracks the iShares Treasury Index while RSM.AX tracks the Russell Investments Australian Semi-Government Bond Index. Both are passively managed. Over the past 10 years, IGB.AX returned 0.98%/yr vs 2.45%/yr for RSM.AX. At a 0.46 correlation, their price movements are largely independent.

Performance

IGB.AX vs. RSM.AX - Performance Comparison

The chart below illustrates the hypothetical performance of a A$10,000 investment in iShares Treasury ETF (IGB.AX) and Russell Investments Australian Semi-Government Bond ETF (RSM.AX). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

The year-to-date returns for both stocks are quite close, with IGB.AX having a 1.50% return and RSM.AX slightly lower at 1.44%. Over the past 10 years, IGB.AX has underperformed RSM.AX with an annualized return of 0.98%, while RSM.AX has yielded a comparatively higher 2.45% annualized return.

IGB.AX

1D
0.15%
1M
0.05%
6M
1.25%
YTD
1.50%
1Y
1.15%
3Y*
2.86%
5Y*
-0.71%
10Y*
0.98%

RSM.AX

1D
0.10%
1M
0.33%
6M
1.24%
YTD
1.44%
1Y
1.32%
3Y*
3.70%
5Y*
0.60%
10Y*
2.45%
*Multi-year figures are annualized to reflect compound growth (CAGR)

IGB.AX vs. RSM.AX - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
IGB.AX
iShares Treasury ETF		1.50%2.62%1.90%3.88%-10.24%-3.27%3.68%7.38%4.73%2.37%
RSM.AX
Russell Investments Australian Semi-Government Bond ETF		1.44%3.01%3.67%4.81%-7.23%-2.38%7.10%6.95%4.18%4.25%

Correlation

The correlation between IGB.AX and RSM.AX 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 (3Y)
Calculated over the trailing 3-year period

0.71

Correlation (5Y)
Calculated over the trailing 5-year period

0.72

Correlation (10Y)
Calculated over the trailing 10-year period

0.51

Correlation (All Time)
Calculated using the full available price history since Mar 13, 2012

0.46

Over the past year, IGB.AX and RSM.AX have become more correlated (0.70) than their long-term average of 0.46, meaning their price movements have been converging.

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iShares Treasury ETF

Russell Investments Australian Semi-Government Bond ETF

Return for Risk

IGB.AX vs. RSM.AX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
IGB.AX
IGB.AX Risk / Return Rank: 1313
Overall Rank
IGB.AX Sharpe Ratio Rank: 1414
Sharpe Ratio Rank
IGB.AX Sortino Ratio Rank: 1212
Sortino Ratio Rank
IGB.AX Omega Ratio Rank: 1212
Omega Ratio Rank
IGB.AX Calmar Ratio Rank: 1313
Calmar Ratio Rank
IGB.AX Martin Ratio Rank: 1313
Martin Ratio Rank
RSM.AX
RSM.AX Risk / Return Rank: 1414
Overall Rank
RSM.AX Sharpe Ratio Rank: 1515
Sharpe Ratio Rank
RSM.AX Sortino Ratio Rank: 1313
Sortino Ratio Rank
RSM.AX Omega Ratio Rank: 1313
Omega Ratio Rank
RSM.AX Calmar Ratio Rank: 1414
Calmar Ratio Rank
RSM.AX Martin Ratio Rank: 1414
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.

IGB.AX vs. RSM.AX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Treasury ETF (IGB.AX) and Russell Investments Australian Semi-Government Bond ETF (RSM.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.

IGB.AXRSM.AXDifference
Sharpe ratioReturn per unit of total volatility
0.30
0.33

-0.03

Sortino ratioReturn per unit of downside risk
0.45
0.49

-0.03

Omega ratioGain probability vs. loss probability

1.05

1.06

-0.01

Calmar ratioReturn relative to maximum drawdown

0.31

0.34

-0.03

Martin ratioReturn relative to average drawdown

0.59

0.75

-0.16

IGB.AX vs. RSM.AX - Sharpe Ratio Comparison

The current IGB.AX Sharpe Ratio is 0.30, which is comparable to the RSM.AX Sharpe Ratio of 0.33. The chart below compares the historical Sharpe Ratios of IGB.AX and RSM.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.

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Drawdowns

IGB.AX vs. RSM.AX - Drawdown Comparison

The maximum IGB.AX drawdown since its inception was -16.94%, which is greater than RSM.AX's maximum drawdown of -12.07%. Use the drawdown chart below to compare losses from any high point for IGB.AX and RSM.AX.

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Drawdown Indicators

IGB.AXRSM.AXDifference

Max Drawdown

Largest peak-to-trough decline

-16.94%

-12.07%

-4.87%

Max Drawdown (1Y)

Largest decline over 1 year

-3.87%

-3.96%

+0.09%

Max Drawdown (3Y)

Largest decline over 3 years

-3.92%

-3.96%

+0.04%

Max Drawdown (5Y)

Largest decline over 5 years

-16.01%

-12.07%

-3.94%

Max Drawdown (10Y)

Largest decline over 10 years

-16.94%

-12.07%

-4.87%

Current Drawdown

Current decline from peak

-5.71%

-0.69%

-5.02%

Average Drawdown

Average peak-to-trough decline

-4.44%

-1.93%

-2.51%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.05%

1.80%

+0.25%

Volatility

IGB.AX vs. RSM.AX - Volatility Comparison

iShares Treasury ETF (IGB.AX) has a higher volatility of 0.85% compared to Russell Investments Australian Semi-Government Bond ETF (RSM.AX) at 0.74%. This indicates that IGB.AX's price experiences larger fluctuations and is considered to be riskier than RSM.AX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

IGB.AXRSM.AXDifference

Volatility (1M)

Calculated over the trailing 1-month period

0.85%

0.74%

+0.11%

Volatility (6M)

Calculated over the trailing 6-month period

2.91%

2.81%

+0.10%

Volatility (1Y)

Calculated over the trailing 1-year period

4.01%

4.05%

-0.04%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

5.40%

4.77%

+0.63%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

5.02%

4.50%

+0.52%

Dividends

IGB.AX vs. RSM.AX - Dividend Comparison

IGB.AX's dividend yield for the trailing twelve months is around 2.60%, less than RSM.AX's 3.94% yield.

PositionTTM20252024202320222021202020192018201720162015
IGB.AX
iShares Treasury ETF		2.60%3.10%2.47%1.63%0.80%1.20%2.47%1.54%1.56%2.11%2.09%5.81%
RSM.AX
Russell Investments Australian Semi-Government Bond ETF		3.94%2.12%0.00%0.00%0.00%2.59%7.27%3.90%3.05%3.66%5.23%4.54%

Frequently Asked Questions

IGB.AX and RSM.AX 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.

IGB.AX tracks iShares Treasury Index, while RSM.AX tracks Russell Investments Australian Semi-Government Bond Index. They also come from different issuers: iShares and Russell.

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