mirror of
https://github.com/mihakralj/QuanTAlib.git
synced 2026-07-29 18:17:43 +00:00
Miha Kralj
38 lines
1.3 KiB
Plaintext
38 lines
1.3 KiB
Plaintext
// Licensed under the Apache License, Version 2.0
|
|
// © mihakralj
|
|
//@version=6
|
|
indicator("Williams Accumulation/Distribution (WAD)", "WAD", overlay=false)
|
|
|
|
//@function Calculates Williams A/D using price relationships and volume
|
|
//@param src_high High price series
|
|
//@param src_low Low price series
|
|
//@param src_close Close price series
|
|
//@param src_open Open price series (if available)
|
|
//@param src_vol Volume series
|
|
//@returns WAD value representing Williams accumulation/distribution
|
|
//@optimized for performance and dirty data
|
|
wad( series float src_open=open, series float src_high=high, series float src_low=low, series float src_close=close, series float src_vol=volume) =>
|
|
float close_prev = nz(src_close[1], src_close)
|
|
float true_range_high = math.max(src_high, close_prev)
|
|
float true_range_low = math.min(src_low, close_prev)
|
|
float pm = 0.0
|
|
if not na(src_close) and not na(close_prev)
|
|
if src_close > close_prev
|
|
pm := src_close - true_range_low
|
|
else if src_close < close_prev
|
|
pm := src_close - true_range_high
|
|
else
|
|
pm := 0.0
|
|
float ad_value = pm * nz(src_vol, 0.0)
|
|
var float cumulative_wad = 0.0
|
|
cumulative_wad += ad_value
|
|
cumulative_wad
|
|
|
|
// ---------- Main loop ----------
|
|
|
|
// Calculation
|
|
wad_value = wad()
|
|
|
|
// Plot
|
|
plot(wad_value, "WAD", color=color.yellow, linewidth=2)
|