Inside_Candle_Detector.pine

//Run the following Script on PINE EDITOR or any platform supporting Pine Script

// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © might-tree

//@version=5
strategy("Inside Candle Detector", overlay=true, margin_long=100, margin_short=100)

increasingbar = 1
decreasingbar = -1

check_inside_candle() =>
    previousBar = 1
    bodyStatus = (close >= open) ? 1 : -1
    isInsidePattern = high < high[previousBar] and low > low[previousBar]

    isInsidePattern ? bodyStatus : 0

barcolor(check_inside_candle() == increasingbar ? color.rgb(40, 253, 47) : na)
barcolor(check_inside_candle() == decreasingbar ? color.rgb(253, 117, 117) : na)

plotshape(check_inside_candle() == increasingbar, style=shape.triangleup,
                 location=location.abovebar, color=color.rgb(37, 255, 44))

plotshape(check_inside_candle() == decreasingbar, style=shape.triangledown,
                 location=location.belowbar, color=color.rgb(251, 121, 121))

is_inside_candle = check_inside_candle() == increasingbar or check_inside_candle() == decreasingbar

alertcondition(is_inside_candle, title='Inside Candle', message='Inside Candle detected')