In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.
Pressure Analysis is designed to show effort required to move price. This script is the overlay version that displays signals on the candles as well as changes the bar colors. Yellow arrows signal pressure in that direction and excessive amounts of is required to move price. These signals can lead to reversal/ as price action struggles to continue its trend. Red and teal arrows indicate free flowing price action where very little effort or is needed to push price. These signals can confirm the beginning or continuation of a trend and is the natural direction the chart wants to travel at that time. For more information please check out the main Pressure Analysis indicator.