Looking to put $10,000 to work on the ASX this October but not sure where to invest?
Exchange traded funds (ETFs) could be worth considering. They offer an easy way to invest in a collection of stocks without having to pick individual shares.
Here are four ASX ETFs that could be worth a closer look this month.

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iShares S&P 500 ETF (ASX: IVV)
The iShares S&P 500 ETF could be an excellent option for investors wanting exposure to the US share market.
This fund tracks the famous S&P 500 Index, giving investors access to 500 of America's largest listed companies.
Its holdings include Microsoft (NASDAQ: MSFT), Apple (NASDAQ: AAPL), Nvidia (NASDAQ: NVDA), and Amazon (NASDAQ: AMZN), alongside major businesses operating in healthcare, financial services, consumer goods, and other industries.
Many of these companies generate significant revenue internationally, which means investors are gaining exposure to businesses that operate across the global economy.
With a long investment horizon, this ASX ETF could be well worth considering.
Vanguard Australian Shares High Yield ETF (ASX: VHY)
Another ASX ETF to consider buying in October is the Vanguard Australian Shares High Yield ETF.
This fund focuses on Australian stocks that are forecast to provide higher dividend yields than the broader share market.
Its portfolio includes businesses from sectors such as banking, resources, telecommunications, and consumer goods.
This could be particularly attractive for investors looking to generate passive income while retaining exposure to potential capital growth.
Another positive is the fund's distributions also include some franking credits, which can provide additional benefits to eligible Australian investors.
Vanguard FTSE Asia ex Japan Shares Index ETF (ASX: VAE)
The Vanguard FTSE Asia ex Japan Shares Index ETF invests in companies across major Asian markets, including China, Taiwan, South Korea, India, and Singapore.
This gives investors access to businesses operating in technology, manufacturing, financial services, healthcare, and consumer markets.
Asia is home to some of the world's largest economies and most important technology companies. It also has growing consumer markets and a rising middle class that could support economic growth over the long term.
This makes the Vanguard FTSE Asia ex Japan Shares Index ETF an option to consider for investors seeking opportunities outside Australia and the United States.
Betashares Global Robotics and Artificial Intelligence ETF (ASX: RBTZ)
A final ASX ETF worth considering in October is the Betashares Global Robotics and Artificial Intelligence ETF.
This fund invests in stocks involved in robotics, automation, artificial intelligence, and related technologies.
From manufacturing and logistics to healthcare and agriculture, robotics and intelligent machines have the potential to change how numerous industries operate.
As technology improves and adoption increases, the companies developing these solutions could enjoy significant growth.
This could make the Betashares Global Robotics and Artificial Intelligence ETF an attractive option for investors seeking exposure to a long-term technology theme.