EX20.AX vs. ARMR.AX

Last updated Jul 16, 2026

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

Performance

EX20.AX vs. ARMR.AX - Performance Comparison

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

Returns By Period

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

EX20.AX

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

ARMR.AX

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

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

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

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

Correlation

The correlation between EX20.AX and ARMR.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

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

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

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

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

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.

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

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

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

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

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

EX20.AX vs. ARMR.AX - Drawdown Comparison

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

Drawdown Indicators

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

Volatility

EX20.AX vs. ARMR.AX - Volatility Comparison

The current volatility for Betashares Australian Ex-20 Portfolio Diversifier ETF (EX20.AX) is 4.15%, while Betashares Global Defence ETF (ARMR.AX) has a volatility of 8.91%. This indicates that EX20.AX experiences smaller price fluctuations and is considered to be less risky than ARMR.AX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

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

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

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

Dividends

EX20.AX vs. ARMR.AX - Dividend Comparison

EX20.AX's dividend yield for the trailing twelve months is around 1.63%, less than ARMR.AX's 2.08% 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 EX20.AX and ARMR.AX in my portfolio?

EX20.AX and ARMR.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, EX20.AX or ARMR.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, EX20.AX or ARMR.AX?

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

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

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