As asset classes, Asset Backed Securities (ABS) and the sub-category of Mortage Backed Securities (MBS) are part of the structured credit fixed-income market
ABS and MBS are debt securities that are collateralized by a collection of assets which will determine their value
Performance and volatility of the securities vary according to perceived risk exposure of the asset mix and to duration and maturity
To take a closer look, momentum signals trends of the last 5 days against a 20-day average
For comparison, select various time frames in the top right menu box, from 2 weeks to a full year (performance of some very recently listed ETFs may not be significant for lack of price data)

