Verkkowhat are its advantages and disadvantages? The fidelity 500 index fund (fxaix) is a mutual fund that replicates the performance of the s&p 500. Verkkofxaix is a more actively managed with annual turnover of: Fxaix (0) and swppx (0) have matching initial minimum. Verkkoif you opt for the sp500 mutual fund, pick swppx. Fxaix and vfiax will cost you $75 to buy. If this is a tax advantaged account (like an ira), i’d go with the mutual fund. Verkkoinvestors should consider their investment objectives, risk tolerance, and preferences when choosing between swppx and fxaix. Some may prefer the. Verkkothe fxaix fund invests at least 80% of its assets in stocks included in the s&p 500 index, aiming to closely track the index's performance. Which index fund will reign supreme? Learn the key differences between these popular funds and find out which one is best for your.