Accumulation/Distribution, A/D

Фактически, this indicator is a variant of the more commonly used indicator On Balance Volume. They are both used to confirm price changes by means of measuring the respective volume of sales.

When the Accumulation/Distribution indicator grows, it means accumulation (покупка) of a particular security, as the overwhelming share of the sales volume is related to an upward trend of prices. When the indicator drops, it means distribution (продажа) of the security, as most of sales take place during the downward price movement.

Divergences between the Accumulation/Distribution indicator and the price of the security indicate the upcoming change of prices. Как правило, in case of such divergences, the price tendency moves in the direction in which the indicator moves. Таким образом, if the indicator is growing, and the price of the security is dropping, a turnaround of price should be expected.

Расчет
A certain share of the daily volume is added to or subtracted from the current accumulated value of the indicator. The nearer the closing price to the maximum price of the day is, the higher the added share will be. The nearer the closing price to the minimum price of the day is, the greater the subtracted share will be. If the closing price is exactly in between the maximum and minimum of the day, the indicator value remains unchanged.

A/D(я) "="((ЗАКРЫВАТЬ(я) - НИЗКИЙ(я)) - (ВЫСОКИЙ(я) - ЗАКРЫВАТЬ(я)) * ОБЪЕМ(я) / (ВЫСОКИЙ(я) - НИЗКИЙ(я)) + A/D(я-1)

Где:
A/D(я) — importance of the Indicator of the Accumulation/Distribution for the current bar;
ЗАКРЫВАТЬ(я) — the price of the closing the bar;
НИЗКИЙ(я) — the minimum price of the bar;
ВЫСОКИЙ(я) — the maximum price of the bar;
ОБЪЕМ(я) — volume;
A/D(я-1) — importance of the Indicator of the Accumulation/Distribution for previous bar.

Описание технического индикатора

Full description of A/D is available in the Технический анализ: Accumulation/Distribution