SPDR Portfolio S&P 500 ETF (SPYM) and Vanguard S&P 500 ETF (VOO) both mirror the S&P 500 Index, but VOO stands out for its scale with $1.5 trillion in assets under management (AUM) versus SPYM’s $101.2 billion, while SPYM matches VOO in core exposure at a slightly lower expense ratio. Both funds offer ultra-low expense ratios and yield the same payout at 1.1%.

Vanguard S&P 500 ETF offers exposure to 505 of the largest U.S. companies, with technology making up 37% of assets, followed by financial services and consumer cyclicals. Its top holdings are NVIDIA, Apple, and Microsoft, closely mirroring the index. SPDR Portfolio S&P 500 ETF holds 504 stocks, with nearly identical sector weights. Both ETFs are designed to track the S&P 500 index efficiently.

Both SPYM and VOO charge razor-thin expense ratios, but SPYM edges out with a slightly lower fee. Dividend yields are identical at 1.1%, so neither fund has a clear advantage on income potential. SPYM has a longer track record since 2005, while VOO has been active since 2010. Investors should consider key factors like expense ratios and AUM to decide between them.

Read more at Yahoo Finance: VOO and SPYM Have Matching Long Term Returns. Here’s How To Decide Which To Buy.