ARMR.AX vs. EX20.AX

Last updated Jul 16, 2026

ARMR.AX (Betashares Global Defence ETF) and EX20.AX (Betashares Australian Ex-20 Portfolio Diversifier ETF) are both exchange-traded funds - ARMR.AX is a Aerospace & Defense fund tracking the VettaFi Global Defence Leaders Index, while EX20.AX is a Australian Equities fund tracking the Solactive Australia ex 20 Index. Both are passively managed. Over the past year, ARMR.AX returned -3.36% vs -2.67% for EX20.AX. At a 0.30 correlation, their price movements are largely independent. ARMR.AX charges 0.55%/yr vs 0.25%/yr for EX20.AX.

Performance

ARMR.AX vs. EX20.AX - Performance Comparison

The chart below illustrates the hypothetical performance of a A$10,000 investment in Betashares Global Defence ETF (ARMR.AX) and Betashares Australian Ex-20 Portfolio Diversifier ETF (EX20.AX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with ARMR.AX having a -6.62% return and EX20.AX slightly lower at -6.84%.

ARMR.AX

• 1D: 0.45%
• 1M: -3.73%
• 6M: -19.26%
• YTD: -6.62%
• 1Y: -3.36%
• 3Y*: —
• 5Y*: —
• 10Y*: —

EX20.AX

• 1D: 0.18%
• 1M: -2.97%
• 6M: -8.41%
• YTD: -6.84%
• 1Y: -2.67%
• 3Y*: 5.51%
• 5Y*: 3.80%
• 10Y*: —

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

ARMR.AX vs. EX20.AX - Yearly Performance Comparison

	2026 (YTD)	2025	2024
ARMR.AX Betashares Global Defence ETF	-6.62%	47.73%	12.11%
EX20.AX Betashares Australian Ex-20 Portfolio Diversifier ETF	-6.84%	14.21%	-0.78%

Correlation

The correlation between ARMR.AX and EX20.AX is 0.31, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.31
Correlation (All Time) Calculated using the full available price history since Oct 4, 2024	0.30

Return for Risk

ARMR.AX vs. EX20.AX — Risk / Return Rank

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

ARMR.AX

ARMR.AX Risk / Return Rank: 8
ARMR.AX Sharpe Ratio Rank: 8
ARMR.AX Sortino Ratio Rank: 8
ARMR.AX Omega Ratio Rank: 8
ARMR.AX Calmar Ratio Rank: 8
ARMR.AX Martin Ratio Rank: 8

EX20.AX

EX20.AX Risk / Return Rank: 8
EX20.AX Sharpe Ratio Rank: 8
EX20.AX Sortino Ratio Rank: 8
EX20.AX Omega Ratio Rank: 8
EX20.AX Calmar Ratio Rank: 8
EX20.AX Martin Ratio Rank: 8

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.

ARMR.AX vs. EX20.AX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Betashares Global Defence ETF (ARMR.AX) and Betashares Australian Ex-20 Portfolio Diversifier ETF (EX20.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.

	ARMR.AX	EX20.AX	Difference
Sharpe ratio: Return per unit of total volatility	-0.08	-0.13	+0.04
Sortino ratio: Return per unit of downside risk	0.05	-0.06	+0.11
Omega ratio: Gain probability vs. loss probability	1.01	0.99	+0.01
Calmar ratio: Return relative to maximum drawdown	-0.09	-0.12	+0.04
Martin ratio: Return relative to average drawdown	-0.18	-0.28	+0.10

ARMR.AX vs. EX20.AX - Sharpe Ratio Comparison

The current ARMR.AX Sharpe Ratio is -0.08, which is higher than the EX20.AX Sharpe Ratio of -0.13. The chart below compares the historical Sharpe Ratios of ARMR.AX and EX20.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

ARMR.AX vs. EX20.AX - Drawdown Comparison

The maximum ARMR.AX drawdown since its inception was -22.93%, smaller than the maximum EX20.AX drawdown of -39.55%. Use the drawdown chart below to compare losses from any high point for ARMR.AX and EX20.AX.

Drawdown Indicators

	ARMR.AX	EX20.AX	Difference
Max Drawdown Largest peak-to-trough decline	-22.93%	-39.55%	+16.62%
Max Drawdown (1Y) Largest decline over 1 year	-22.93%	-16.84%	-6.09%
Max Drawdown (3Y) Largest decline over 3 years	—	-16.84%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-18.65%	—
Current Drawdown Current decline from peak	-20.43%	-10.81%	-9.62%
Average Drawdown Average peak-to-trough decline	-5.62%	-5.38%	-0.24%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.96%	7.57%	+3.39%

Volatility

ARMR.AX vs. EX20.AX - Volatility Comparison

Betashares Global Defence ETF (ARMR.AX) has a higher volatility of 8.91% compared to Betashares Australian Ex-20 Portfolio Diversifier ETF (EX20.AX) at 4.15%. This indicates that ARMR.AX's price experiences larger fluctuations and is considered to be riskier than EX20.AX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ARMR.AX	EX20.AX	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.91%	4.15%	+4.76%
Volatility (6M) Calculated over the trailing 6-month period	19.25%	13.78%	+5.47%
Volatility (1Y) Calculated over the trailing 1-year period	23.85%	16.49%	+7.36%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.54%	15.01%	+8.53%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.54%	15.89%	+7.65%

ARMR.AX vs. EX20.AX - Expense Ratio Comparison

ARMR.AX has a 0.55% expense ratio, which is higher than EX20.AX's 0.25% expense ratio.

Dividends

ARMR.AX vs. EX20.AX - Dividend Comparison

ARMR.AX's dividend yield for the trailing twelve months is around 2.08%, more than EX20.AX's 1.63% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
ARMR.AX Betashares Global Defence ETF	2.08%	2.18%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
EX20.AX Betashares Australian Ex-20 Portfolio Diversifier ETF	1.63%	3.52%	1.46%	1.71%	1.44%	1.80%	2.68%	4.51%	3.89%	1.20%

Frequently Asked Questions

Can I hold both ARMR.AX and EX20.AX in my portfolio?

ARMR.AX and EX20.AX have a correlation of 0.31, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, ARMR.AX or EX20.AX?

On fees, EX20.AX is cheaper at 0.25% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, ARMR.AX or EX20.AX?

EX20.AX is cheaper with a 0.25% expense ratio, compared with 0.55% for ARMR.AX.

What is the main difference between ARMR.AX and EX20.AX?

ARMR.AX is categorized as Aerospace & Defense, while EX20.AX is Australian Equities. ARMR.AX tracks VettaFi Global Defence Leaders Index, while EX20.AX tracks Solactive Australia ex 20 Index. Their fees differ too: 0.55% for ARMR.AX and 0.25% for EX20.AX.