The article in the link says it all, Wall Street is calling it a once in a generation bet on EM.
As said above, if the Fed cuts, EM will win big, it they hold, not a lot will change, if they increase, EM will get hurt. It all comes down to whether US inflation is up or down, a little or a lot, or flat.......roll up roll up, place your bets now.
https://www.bnnbloomberg.ca/traders-line-up-for-once-in-a-generation-emerging-markets-bet-1.2027522