"This is a rerun of Friday," said Art Cashin, UBS director of floor operations at the NYSE. "I think they're pretty well convinced this whole run higher in crude is a short squeeze. It's not going to have a long life."
The Chaikin Money Flow indicator prorates volume based upon where the market closes relative to the intra-day range. In the lower half of the range, CMF is negative, in the upper half it's positive. At the extremes the multiplier is -1, +1.