Are there any cost/tax-efficient platforms with RSPs to buy an Irish-domiciled fund that tracks the S&P 500 like CSPX and VUSD? (FSMone? Robo? Traditional Brokers?)?

Hi Jiachao,

I agree with Matthew's inputs. And good that you are looking at Irish domiciled funds for lower withholding tax, and also reinvesting your dividends back into funds automatically with CSPX or VUAA.

For US stocks, it is generally cheaper to be investing via an overseas brokerage account compared to the local ones such as those by the local banks. IBKR charges around USD$1 per trade, and they use spot rates for their FX. Hence both could help you save quite a bit.

That said, should your account holds less than USD$100k, IBKR charges USD$10 per month outstanding of any trading fees for the transations you make for the month. For example, for 3 trades it'll be $3 in trading fees. Overall you'll be charged an additional $10-$3=$7 for that month.

Some are detered by the USD$100k rule and hence resort to using Saxo or TD instead. You could also keep these as considerations.​​​ Personally I have no experience with Robo so unfortunately I'm unable to share. All the best!

Hello, I've asked a similar question before and it all depends on your monthly investment amount.

If your investment capital is say around $200-$400, you can consider investing quarterly using SCB trading account as the $10 fees will make up ~1%. There are other ETFs there too such as IWDA/EIMI for exposure to other developed and emerging markets.

If your investment capital is larger, Interactive brokers has a minimum of $10/month so you can DCA into it monthly. Once your account reaches $100k, it becomes a free brokerage account.

However if you intend to only purchase CSPX, you can check out kristal.ai as they're offering $0 fees for the first $50k.