S&P 500 which one?

[Peds]

I have Vanguard for my Roth, Fidelity for my 401k, and opened a solo K with e trade recently. Trying something new in this smaller account so figured Id do at least a certain proportion of S&P

i dont pick s%p when a total market fund exists.

but to answer your original question: you choose the cheapest one. they are literally all the same.

[DynamicHipScrew]

Differences are minimal. I have VOO in one account and SPY in another.

[NeuroCM]

I have Vanguard for my Roth, Fidelity for my 401k, and opened a solo K with e trade recently. Trying something new in this smaller account so figured Id do at least a certain proportion of S&P

[Peds]

why are you picking s&p in the first place?

[Tim]

"What am I missing??" Time spent noodling it. Where do you have your account? There, done.

[NeuroCM]

I have decided in my solo K I'm going to choose an index fund that tracks the S&P. I am choosing between Vanguard index 500 (VFIAX) which has no transaction fee and expense ratio 0.04% and Fidelity 500 (FXAIX) which has transaction fee but expense ratio 0.01%. Then again, I look at Schwab (SWPPX) and there's no transaction fee and 0.02% expense ratio. How do I choose between these. The investments look very similar but the cost is different. What am I missing??