Singapore Exchange (SGX:S68) on Tuesday listed four Xtrackers UCITS exchange-traded funds (ETFs), expanding investors' access to U.S. and developed-market equities through Singapore-dollar trading lines, according to a Tuesday filing.

The ETFs track the S&P 500, S&P 500 Equal Weight, Nasdaq-100 and MSCI World indices.

Eligible under Singapore's Supplementary Retirement Scheme, the funds are listed under the International Central Securities Depository model, allowing units to move across participating European exchanges.

Following the listings, SGX now offers 59 ETFs with combined assets under management of approximately SG$21 billion.