It has more letters and it costs slightly more .ER .25 vs .2
And I guess you won't foolishly trade it more than once a day.
It does cost more to invest in at TDA - a "transaction fee fund"
I'll check back in a few days to see if the long/old timers here have helped me out (assuming they can tell where I came in).
BTW, Nakomis (to recall a fund mentioned in passing in the commentary this month) was a positively recommended fund here, once upon a more naive (one can only hope) time.
INDEX is, indeed, the second-cheapest option for accessing EWI and, by reasonable standards, quite cheap. The managers understand the importance of price in this arena and will, I suspect, try to lower fees to regain the #1 spot. Right now that's not economically possible but with continued steady, and perhaps rising, inflows, that might change.
Part of the attraction of the fund is the opportunity it provides to consider alternatives to the trillions assigned to a single index; EWI might or might not make more sense for an investors than SPX, but you at least need to think through the implications of your choices.
For what that's worth,