Do you mean the WAC chart? If so I’m afraid that’s a red herring. If you look at the config it’s just a rough adjustment on the basic WAC which as far as I’m aware has no evidential basis.
Do you mean the WAC chart? If so I’m afraid that’s a red herring. If you look at the config it’s just a rough adjustment on the basic WAC which as far as I’m aware has no evidential basis.