Quick Answer

Choosing an ETF should not mean chasing recent returns or applying one trading-volume threshold. Start with your objective and benchmark, then review holdings, concentration, total cost, tracking difference, bid-ask spread, fund size, tax and trading market. Past performance only describes the past.

Correct Interpretation and Practical Use

Start with the Core Point

Higher trading volume is often associated with tighter spreads, but ETF liquidity also depends on underlying assets, authorised participants and market conditions. Fund size and track record may provide operational context, but they do not guarantee returns. Compare ETFs tracking the same index or genuinely substitutable exposures.

How to Use This

Define the exposure and holding horizon you need.
Check the index method, holdings, concentration and securities-lending policy.
Compare expense ratio, spread, tracking difference, tax and currency together.

Does this method fit your goal, horizon and real constraints?

Limitations and Trade-offs

No rule, label or historical figure is a guarantee. Consider the date, cost, liquidity, risk, personal cash flow and applicable terms.

Frequently Asked Questions

Is one number enough for a decision?

No. A number needs its goal, period, calculation basis and risk context.

Will the past result repeat?

Not necessarily. Historical data can explain risk but cannot guarantee future outcomes.

Your Financial Planner · 鑫哥

Don't let good information stop at reading — let me help you turn it into action.

Licensed, neutral, and transparently priced. 1-on-1 help tailored to your situation, so you make the right call on every money decision.

See all my services →Learn more about 鑫哥

About the Author

Remuneration Disclosure

If you choose to arrange insurance, unit trusts or PRS through me and FA Advisory, I may receive commission from the relevant product provider. This commission is calculated separately from the financial-planning fee and does not offset or replace the planning fee. I will also explain the relevant arrangement and potential conflict of interest before implementation.

Read How YFD Makes Money for the full disclosure.

Sources and Verification Notes

Sources were reviewed on 22 July 2026; the live Chinese article was only the starting point.

Educational Purpose

This is general financial education, not personal investment, legal, tax or product advice.