The trPDHLC indicator displays the previous day's high, low, and closing prices on a trading chart. It uses color-coded lines for clear visualization: a red line marks the previous day's high, a blue line indicates the previous day's low, and a green line shows the previous day's closing price. This tool helps traders quickly reference key price levels from the prior trading day, aiding in technical analysis and decision-making. The indicator is tagged for use with indices markets.