34,3,21 for all time but not daily, for daily I use 15,3,3
34,3,21 generate signal when line cross, 15,3,3 generate signal when cross 20/80 line. MACD is often use to confirm the stoc. or another way around, it is all depend on how fast/slow when you set MACD, I use 5,13,6 on all time frame...