xacja

Hello, I'm looking at various indexes but don't know the difference between the ones with 3 letter codes, 4 letter codes, and 5 letter codes (ie: the 4 letter ones but with an "A" appended). EG: XSJ = "S&P/ASX 200 Consumer Staples Sector" XSJA = "S&P/ASX 200 Consumer Staples Sector" XFDJ...