Complex sentence: Accumulation/Distribution index is a cumulative total volume technical analysis indicator created by Marc Chaikin, which adds or subtracts each day's volume in proportion to where the close is between the day's high and low.
Split into simpler sentences: Accumulation/Distribution index is a technical analysis indicator created by Marc Chaikin. It's a cumulative total volume, adding or subtracting each day's volume in proportion to where the close is between the day's high and low.