Saw The Big Short movie--does the book go into much more realistic (ie. non-Hollywood) technical detail? Will check out Margin Call. What about outside of hug

Saw The Big Short movie--does the book go into much more realistic (ie. non-Hollywood) technical detail? Will check out Margin Call. What about outside of huge industry shifts like The Big Short portrayed? I'm most interested in how this plays out in the day-to-day when there isn't a huge industry-wide scandal at play.