本页源码来自 TradingView 公开发布的开源脚本，版权归原作者所有， 请遵循其原始许可（Pine 脚本常见 CC BY-NC-SA / MPL-2.0 / MIT）。 本项目仅用于研究检索与许可范围内的移植。
// This work is licensed under a Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) https://creativecommons.org/licenses/by-nc-sa/4.0/
// © LuxAlgo
//@version=5
indicator("FVG Sessions [LuxAlgo]", overlay = true, max_lines_count = 500, max_boxes_count = 500)
//------------------------------------------------------------------------------
//Settings
//-----------------------------------------------------------------------------{
bullCss = input.color(color.teal, 'FVG Level' , inline = 'bull')
bullAreaCss = input.color(color.new(color.teal, 50), 'Area' , inline = 'bull')
bullMitigatedCss = input.color(color.new(color.teal, 80), 'Mitigated', inline = 'bull')
bearCss = input.color(color.red, 'FVG Level' , inline = 'bear')
bearAreaCss = input.color(color.new(color.red, 50), 'Area' , inline = 'bear')
bearMitigatedCss = input.color(color.new(color.red, 80), 'Mitigated' , inline = 'bear')
//-----------------------------------------------------------------------------}
//UDT's
//-----------------------------------------------------------------------------{
type fvg
float top
float btm
bool mitigated
bool isnew
bool isbull
line lvl
box area
type session_range
line max
line min
//-----------------------------------------------------------------------------}
//Methods
//-----------------------------------------------------------------------------{
n = bar_index
//Method for setting fair value gaps
method set_fvg(fvg id, offset, bg_css, l_css)=>
avg = math.avg(id.top, id.btm)
area = box.new(n - offset, id.top, n, id.btm, na, bgcolor = bg_css)
avg_l = line.new(n - offset, avg, n, avg, color = l_css, style = line.style_dashed)
id.lvl := avg_l
id.area := area
//Method for setting session range maximum/minimum
method set_range(session_range id)=>
max = math.max(high, id.max.get_y2())
min = math.min(low, id.min.get_y2())
id.max.set_xy2(n, max)
id.max.set_y1(max)
id.min.set_xy2(n, min)
id.min.set_y1(min)
//-----------------------------------------------------------------------------}
//Variables
//-----------------------------------------------------------------------------{
var chartCss = color.new(chart.fg_color, 50)
var fvg sfvg = fvg.new(na, na, na, true, na)
var session_range sesr = na
var box area = na
var line avg = na
bull_fvg = low > high[2] and close[1] > high[2]
bear_fvg = high < low[2] and close[1] < low[2]
//Alert conditions
bull_isnew = false
bear_isnew = false
bull_mitigated = false
bear_mitigated = false
within_bull_fvg = false
within_bear_fvg = false
//-----------------------------------------------------------------------------}
//New session
//-----------------------------------------------------------------------------{
dtf = timeframe.change('D')
//On new session
if dtf
//Set delimiter
line.new(n, high + syminfo.mintick
, n, low - syminfo.mintick
, color = chartCss
, style = line.style_dashed
, extend = extend.both)
//Set new range
sesr := session_range.new(
line.new(n, high, n, high, color = chartCss)
, line.new(n, low, n, low, color = chartCss))
sfvg.isnew := true
//Set prior session fvg right coordinates
if not na(sfvg.lvl)
sfvg.lvl.set_x2(n-2)
sfvg.area.set_right(n-2)
//Set range
else if not na(sesr)
sesr.set_range()
//Set range lines color
sesr.max.set_color(sfvg.isbull ? bullCss : bearCss)
sesr.min.set_color(sfvg.isbull ? bullCss : bearCss)
//-----------------------------------------------------------------------------}
//Set FVG
//-----------------------------------------------------------------------------{
//New session bullish fvg
if bull_fvg and sfvg.isnew
sfvg := fvg.new(low, high[2], false, false, true)
sfvg.set_fvg(2, bullAreaCss, bullCss)
bull_isnew := true
//New session bearish fvg
else if bear_fvg and sfvg.isnew
sfvg := fvg.new(low[2], high, false, false, false)
sfvg.set_fvg(2, bearAreaCss, bearCss)
bear_isnew := true
//Change object transparencies if mitigated
if not sfvg.mitigated
//If session fvg is bullish
if sfvg.isbull and close < sfvg.btm
sfvg.set_fvg(1, bullMitigatedCss, bullCss)
sfvg.mitigated := true
bull_mitigated := true
//If session fvg is bearish
else if not sfvg.isbull and close > sfvg.top
sfvg.set_fvg(1, bearMitigatedCss, bearCss)
sfvg.mitigated := true
bear_mitigated := true
//Set fvg right coordinates to current bar
if not sfvg.isnew
sfvg.lvl.set_x2(n)
sfvg.area.set_right(n)
//-----------------------------------------------------------------------------}
//Alerts
//-----------------------------------------------------------------------------{
//On new session fvg
alertcondition(bull_isnew, 'Bullish FVG', 'New session bullish fvg')
alertcondition(bear_isnew, 'Bearish FVG', 'New session bearish fvg')
//On fvg mitigation
alertcondition(bull_mitigated, 'Mitigated Bullish FVG', 'Session bullish fvg has been mitigated')
alertcondition(bear_mitigated, 'Mitigated Bearish FVG', 'Session bearish fvg has been mitigated')
//If within fvg
alertcondition(close >= sfvg.btm and close <= sfvg.top and sfvg.isbull and not sfvg.isnew
, 'Price Within Bullish FVG'
, 'Price is within bullish fvg')
alertcondition(close >= sfvg.btm and close <= sfvg.top and not sfvg.isbull and not sfvg.isnew
, 'Price Within Bearish FVG'
, 'Price is within bearish fvg')
//On fvg average cross
alertcondition(ta.cross(close, math.avg(sfvg.top, sfvg.btm)) and sfvg.isbull and not sfvg.isnew
, 'Bullish FVG AVG Cross'
, 'Price crossed bullish fvg average')
alertcondition(ta.cross(close, math.avg(sfvg.top, sfvg.btm)) and not sfvg.isbull and not sfvg.isnew
, 'Bearish FVG AVG Cross'
, 'Price crossed bearish fvg average')
//-----------------------------------------------------------------------------}