Williams_Accumulation_Distribution - Indicator for MetaTrader 4

It is an indicator by Larry Williams (Williams' Accumulation/Distribution, W_A/D.) It is the sum of the negative "distributional" price movements and positive "accumulated" ones. In this case, "accumulation" is a market controlled by buyers, and "distribution" is under the control of the sellers.

Trading signal for this indicator is a divergence:

• A signal to sell appears when the price reaches a new high, but the indicator does not reach a new high. In this case, there is the distribution market;
• A signal to buy appears when the price reaches a new lo, but the indicator does not reach a new low. This is an accumulated market.