Thanks. That got me the answer. This works: symbols = c("IEF","SPY") getSymbols(symbols) for(symbol in symbols) { assign(symbol, to.monthly(get(symbol), indexAt="endof")) } #end -- View this message in context: http://r.789695.n4.nabble.com/For-loop-question-tp4649215p4649227.html Sent from the R help mailing list archive at Nabble.com.