PLUS_DI (Positive Directional Indicator)

Indicator Description

PLUS_DI (Positive Directional Indicator) is part of the ADX indicator system, used to measure the strength of upward price trends, typically used in conjunction with -DI.

Function Information

• Function Name: PLUS_DI
• Input Parameters:
  • High: High price
  • Low: Low price
  • Close: Closing price
• Parameter Settings:
  • timeperiod: Calculation period, default 14
• Output: PLUS_DI value

Calculation Principle

PLUS_DI is calculated using the following formula:

+DM = Current High - Previous High (if Current High > Previous High)
+DI = 100 * EMA(+DM) / ATR

Where:

• +DM is the positive directional movement
• ATR is the Average True Range
• EMA is the Exponential Moving Average

Usage Scenarios

1. Upward Trend Identification
2. Trend Strength Assessment
3. Trading Signal Generation
4. Market State Analysis

Usage Recommendations

1. +DI > -DI indicates upward trend
2. Watch for +DI and -DI crossovers
3. Use in conjunction with ADX
4. Pay attention to market environment changes