Sure BullFX,
so PositionsAmount shows you the actual DM positions.
PositionsVolume shows you in addition over-leveraged DM positions. Often, these are taken out with a “quick” countermove by the SM Algos. Whenever both, PositionsAmount and PositionsVolume are on the same side, this could be a basis for predicting a countermove by the SM.
SME FX