OPEN-SOURCE SCRIPT

Buying and Selling Pressure with Delta Volume

Script Name
"Buying and Selling Pressure with Delta Volume"

Purpose
The script is designed to analyse and visualise buying and selling pressure for each candle on a trading chart. It estimates the volume attributed to buying and selling within each candle and calculates the delta volume, which is the difference between buying and selling volume. This can help traders understand market dynamics and the balance of power between buyers and sellers.

Components
Volume Data:

The script uses the volume data from the current chart's timeframe.
Candle Spread:

The spread is calculated as the difference between the high and low prices of each candle.
Handling Doji Candles:

If the spread is zero (which can happen with Doji candles), it sets the spread to na (not available) to prevent division by zero errors.
Buying and Selling Pressure:

Buying Pressure: Estimated as the proportion of the candle's volume attributed to the price moving up from the low to the close.
Selling Pressure: Estimated as the proportion of the candle's volume attributed to the price moving down from the high to the close.
Delta Volume:

The difference between buying pressure and selling pressure, representing the net buying or selling volume for each candle.
Plotting
Buying Pressure:

Plotted as green histogram bars.
Selling Pressure:

Plotted as red histogram bars.
Delta Volume:

Plotted as blue histogram bars and a blue line, indicating the difference between buying and selling pressure.
A horizontal line at zero (grey colour) is added to help visualise positive and negative delta volume.
Volume

Script de código abierto

Siguiendo fielmente el espíritu de TradingView, el autor de este script lo ha publicado en código abierto, permitiendo que otros traders puedan entenderlo y verificarlo. ¡Olé por el autor! Puede utilizarlo de forma gratuita, pero tenga en cuenta que la reutilización de este código en la publicación se rige por las Normas internas. Puede añadir este script a sus favoritos y usarlo en un gráfico.

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