HOWTOs

//@version=2 study("Visible OHLC", overlay=true) c = close plot(c)

//@version=2 study("Real OHLC", overlay=true) t = tickerid(syminfo.prefix, ticker) realC = security(t, period, close) plot(realC)

study('Ex 1', overlay=true) data = close >= open plotshape(data, color=lime, style=shape.arrowup, text="Buy") plotshape(not data, color=red, style=shape.arrowdown, text="Sell")

study('buy/sell arrows', overlay=true) data = close >= open plotchar(data, char='↓', color=lime, text="Buy") plotchar(data, char='↑', location=location.belowbar, color=red, text="Sell")

//@version=2 study("Horizontal line", overlay=true) plot(close[10], trackprice=true, offset=-9999) // trackprice=true plots horizontal line on close[10] // offset=-9999 hides the plot plot(close, color=#FFFFFFFF) // forces to show study

//@version=2 study("Vertical line", overlay=true, scale=scale.none) // scale.none means do not resize the chart to fit this plot // if the bar being evaluated is the last baron the chart (the most recent bar), then cond is true cond = barstate.islast // when cond is true, plot a histogram with a line with height value of 100,000,000,000,000,000,000.00 // (10 to the power of 20) // when cond is false, plot no numeric value (nothing is plotted) // use the style of histogram, a vertical bar plot(cond ? 10e20 : na, style = histogram)

//@version=3 //... s = 0.0 s := nz(s[1]) // Accessing previous values if (condition) s := s + 1

//@version=3 study("Range Analysis", overlay=true) // find which bar is 5 days away from the current time milliseconds_in_5days = 1000 * 60 * 60 * 24 * 5 // millisecs * secs * min * hours * days // plot(milliseconds_in_5days, title="ms in 5d", style=circles) //debug // subtract timestamp of the bar being examined from the current time // if value is less than 5 days ago, set variable "leftborder" as true // this is set true at the bar being examined as the left border of the 5 day lookback window range leftborder = (timenow - time) < milliseconds_in_5days // true or na when false // plot(leftborder ? 1 : na, title="bar within leftborder") //debug // plot(time, title="bartime") //debug // plot(timenow - time, title="timenow minus bartime") //debug // treat the last bar (most recent bar) as the right edge of the lookback window range rightborder = barstate.islast // initialize variable "max" as na max = na // if bar being examined is not within the lookback window range (i.e. leftborder = false) // change the variable "max" to be na // else, test if value of "max" stored in the previous bar is na // (bcuz first bar being examined in the lookback window will not have a previous value ), // if it is na, use the high of the current bar, // else, use the value of "max" stored in the previous bar max := not leftborder ? na : na(max[1]) ? high : max[1] // plot(max ? max : na, title="max b4 compare") // debug // compare high of current bar being examined with previous bar's high // if curr bar high is higher than the max bar high in the lookback window range if high > max // we have a new high max := high // change variable "max" to use current bar's high value // else keep the previous value of max as the high bar within this lookback window range // plot(max ? max : na, title="max after compare") //debug // if examining the last bar (newest bar, rightborder is true) // set variable "val" to the previous value of series variable "max" // else set to na so nothing is plotted val = rightborder ? max[1] : na // if val is true (a number, not na) // plot character // since no character is specified, a "star" will be plotted // location.absolute uses the value of val as the y axis value // the x axis location will be the last bar (newest bar) plotchar(val, size=size.normal, location=location.absolute) // fill the background of the 5 day lookback window range with aqua color bgcolor(leftborder and not rightborder ? aqua : na, transp=70)

//@version=3 study("Bar Count", overlay=true, scale=scale.none) plot(n + 1, style=histogram)

//@version=3 study("My Script", overlay=true, scale=scale.none) is_new_day() => d=dayofweek na(d[1]) or d != d[1] plot(barssince(is_new_day()), style=cross)

//@version=3 study("My Script") biggest(series) => max = 0.0 max := nz(max[1], series) if series > max max := series max smallest(series) => min = 0.0 min := nz(min[1], series) if series < min min := series min plot(biggest(close), color=green) plot(smallest(close), color=red)

//@version=3 study("My Script") series = close >= open ? close : na vw = valuewhen(not na(series), series, 0) plot(series, style=linebr, color=red) // series has na values plot(vw) // all na values are replaced with the last non-empty value