Hi Danny, there are two different momentum exist. First is absolute - it is equal to DOSC and calculates as Price(t)-Price (t-n), where t and n number of periods. DOSC = Close (1) - Close (7). So, if you use in absolute Momentum parameters 1 and 7 - you get very similar line to DOSC.
Relative Momentum is Pt/P(t-n)*100% - it is normalized and closer to RSI indicator. So better to use first one. Besides, for Divergence you could use any other non-normalized indicator. I often use MACD.
