buy & sell

3 日前

//version=5
indicator("Smoothed Heiken Ashi with Signals", " איתותי קנייה + איתותי מכירה", overlay=true, timeframe="", timeframe_gaps=true)

import wallneradam/TAExt/8

//
// User inputs
//
ha_smooth_length = input.int(10, "Smooth Length", minval=1, group="Before HA")
ha_smooth_ma_type = input.string('EMA', 'MA Type', options=['SMA', 'EMA', 'WMA', "VWMA", "RMA", "DEMA", "TEMA", "ZLEMA", "HMA", "ALMA", "LSMA", "SWMA", "SMMA", "JMA", "DONCHIAN", "ATRWSMA", "ATRWEMA", "ATRWRMA", "ATRWWMA"], group="Before HA")
ha_after_smooth_length = input.int(10, "After Smooth Length", minval=1, group="After HA")
ha_after_smooth_ma_type = input.string('EMA', 'After MA Type', options=['SMA', 'EMA', 'WMA', "VWMA", "RMA", "DEMA", "TEMA", "ZLEMA", "HMA", "ALMA", "LSMA", "SWMA", "SMMA", "JMA", "DONCHIAN", "ATRWSMA", "ATRWEMA", "ATRWRMA", "ATRWWMA"], group="After HA")

//
// Calculation
//
[o, h, l, c] = TAExt.heiken_ashi(smooth_length=ha_smooth_length, smooth_ma_type=ha_smooth_ma_type, after_smooth_length=ha_after_smooth_length)

//
// Support level calculation based on the last 14 candles
//
supportLevel = ta.lowest(l, 14)

//
// Buy/Sell Signals
//
buySignal = ta.crossover(c, o) // Close crosses above Open
sellSignal = ta.crossunder(c, o) // Close crosses below Open

//
// Buy Signal 2 - After returning near support
//
buySignal2 = ta.crossover(c, o) and (l <= supportLevel or l - supportLevel < 0.005 * supportLevel)

//
// Plotting
//
plotcandle(o, h, l, c, title="Smoothed Heiken Ashi",
color=o > c ? color.new(color.red, 60) : color.new(color.lime, 60),
wickcolor=o > c ? color.new(color.red, 20) : color.new(color.lime, 20),
bordercolor=o > c ? color.new(color.red, 10) : color.new(color.lime, 10))

// Plot Buy Signals
plotshape(series=buySignal, title="Buy Signal", location=location.belowbar, color=color.green, style=shape.labelup, text="BUY")

// Plot Sell Signals
plotshape(series=sellSignal, title="Sell Signal", location=location.abovebar, color=color.red, style=shape.labeldown, text="SELL")

// Plot Buy Signal 2
plotshape(series=buySignal2, title="Buy Signal 2", location=location.belowbar, color=color.blue, style=shape.labelup, text="BUY2")