Vanguard continues to lower the cost of investingVanguard extended commission-free online trading for stocks and options to all of the asset manager's brokerage clients, effective immediately, according to the firm. The move expands Vanguard Brokerage's commission-free platform, which has included all Vanguard mutual funds since 1977 and all Vanguard ETFs since 2010, and nearly every ETF in the industry since 2018. Additionally, more than 3,000 non-Vanguard mutual funds have no transaction fee when traded online, the firm says.