Estrategia MACD

//version=6
indicator("Trading Sessions", overlay = true, max_boxes_count = 500, max_lines_count = 500, max_labels_count = 500)

bool showSessionNames = input.bool(true, "Show session names")
bool showSessionOC = input.bool(true, "Draw session open and close lines")
bool showSessionTickRange = input.bool(true, "Show tick range for each session")
bool showSessionAverage = input.bool(true, "Show average price per session")

const string TZ_TOOLTIP_TEXT = "The session's time zone, specified in either GMT notation (e.g., 'GMT-5') or as an IANA time zone database name (e.g., 'America/New_York')."
+ " We recommend the latter since it includes other time-related changes, such as daylight savings."

const string FIRST_SESSION_GROUP = "First Session"
showFirst = input.bool(true, "Show session", group = FIRST_SESSION_GROUP, display = display.none)
firstSessionName = input.string("Tokyo", "Displayed name", group = FIRST_SESSION_GROUP, display = display.none)
firstSessionTime = input.session("0900-1500", "Session time", group = FIRST_SESSION_GROUP, display = display.none)
firstSessionTZ = input.string("Asia/Tokyo", "Session timezone", group = FIRST_SESSION_GROUP, display = display.none, tooltip = TZ_TOOLTIP_TEXT)
firstSessionColor = input.color(color.new(#2962FF, 85), "Session color", group = FIRST_SESSION_GROUP)

const string SECOND_SESSION_GROUP = "Second session"
showSecond = input.bool(true, "Show session", group = SECOND_SESSION_GROUP, display = display.none)
secondSessionName = input.string("London", "Displayed name", group = SECOND_SESSION_GROUP, display = display.none)
secondSessionTime = input.session("0830-1630", "Session time", group = SECOND_SESSION_GROUP, display = display.none)
secondSessionTZ = input.string("Europe/London", "Session timezone", group = SECOND_SESSION_GROUP, display = display.none, tooltip = TZ_TOOLTIP_TEXT)
secondSessionColor = input.color(color.new(#FF9800, 85), "Session color", group = SECOND_SESSION_GROUP)

const string THIRD_SESSION_GROUP = "Third session"
showThird = input.bool(true, "Show session", group = THIRD_SESSION_GROUP, display = display.none)
thirdSessionName = input.string("New York", "Displayed name", group = THIRD_SESSION_GROUP, display = display.none)
thirdSessionTime = input.session("0930-1600", "Session time", group = THIRD_SESSION_GROUP, display = display.none)
thirdSessionTZ = input.string("America/New_York", "Session timezone", group = THIRD_SESSION_GROUP, display = display.none, tooltip = TZ_TOOLTIP_TEXT)
thirdSessionColor = input.color(color.new(#089981, 85), "Session color", group = THIRD_SESSION_GROUP)

type SessionDisplay
box sessionBox
label sessionLabel
line openLine
line avgLine
line closeLine
float sumClose
int numOfBars

type SessionInfo
color color
string name
string session
string timezone
SessionDisplay active = na

method setName(SessionDisplay this, string name) =>
sessionLabel = this.sessionLabel
sessionBox = this.sessionBox
boxText = array.new<string>()
if showSessionTickRange
boxText.push("Range: " + str.tostring((sessionBox.get_top() - sessionBox.get_bottom()) / syminfo.mintick, format.mintick))
if showSessionAverage
boxText.push("Avg: " + str.tostring(this.sumClose / this.numOfBars, format.mintick))
if showSessionNames
boxText.push(name)

sessionLabel.set_y(sessionBox.get_bottom())
sessionLabel.set_text(array.join(boxText, "\n"))

method createSessionDisplay(SessionInfo this) =>
boxColor = this.color
opaqueColor = color.new(boxColor, 0)
dis = SessionDisplay.new(
sessionBox = box.new(bar_index, high, bar_index, low, bgcolor = boxColor, border_color = na),
sessionLabel = label.new(bar_index, low, "", style = label.style_label_upper_left, textalign = text.align_left, textcolor = opaqueColor, color = color(na)),
openLine = showSessionOC ? line.new(bar_index, open, bar_index, open, color = opaqueColor, style = line.style_dashed, width = 1) : na,
closeLine = showSessionOC ? line.new(bar_index, close, bar_index, close, color = opaqueColor, style = line.style_dashed, width = 1) : na,
avgLine = showSessionAverage ? line.new(bar_index, close, bar_index, close, style = line.style_dotted, width = 2, color = opaqueColor) : na,
sumClose = close,
numOfBars = 1
)
linefill.new(dis.openLine, dis.closeLine, boxColor)
dis.setName(this.name)
this.active := dis

method updateSessionDisplay(SessionInfo this) =>
sessionDisp = this.active
sessionBox = sessionDisp.sessionBox
openLine = sessionDisp.openLine
closeLine = sessionDisp.closeLine
avgLine = sessionDisp.avgLine
sessionDisp.sumClose += close
sessionDisp.numOfBars += 1

sessionBox.set_top(math.max(sessionBox.get_top(), high))
sessionBox.set_bottom(math.min(sessionBox.get_bottom(), low))
sessionBox.set_right(bar_index)
sessionDisp.setName(this.name)

if showSessionOC
openLine.set_x2(bar_index)
closeLine.set_x2(bar_index)
closeLine.set_y1(close)
closeLine.set_y2(close)

if showSessionAverage
avgLine.set_x2(bar_index)
avg = sessionDisp.sumClose / sessionDisp.numOfBars
avgLine.set_y1(avg)
avgLine.set_y2(avg)
sessionDisp

method update(SessionInfo this) =>
bool isChange = timeframe.change("1D")
if (not na(time("", this.session, this.timezone))) // inSession
if na(this.active) or isChange
this.createSessionDisplay()
else
this.updateSessionDisplay()
else if not na(this.active)
this.active := na

getSessionInfos()=>
array<SessionInfo> sessionInfos = array.new<SessionInfo>()
if showFirst
sessionInfos.push(SessionInfo.new(firstSessionColor, firstSessionName, firstSessionTime, firstSessionTZ))
if showSecond
sessionInfos.push(SessionInfo.new(secondSessionColor, secondSessionName, secondSessionTime, secondSessionTZ))
if showThird
sessionInfos.push(SessionInfo.new(thirdSessionColor, thirdSessionName, thirdSessionTime, thirdSessionTZ))
sessionInfos

var array<SessionInfo> sessionInfos = getSessionInfos()
if timeframe.isdwm
runtime.error("This indicator can only be used on intraday timeframes.")

for info in sessionInfos
info.update()