This shows a green indicator on this study (17Jun & 15Aug on TRN) when a bullish candle opens and closes above the prior day's bearish candle, ignoring gap ups. This will only show in the DAILY chart, not intraday.
//@version=2 //author = https://www.tradingview.com/u/MattDeLong/ study("One White Soldier", overlay=true) oneWhiteSoldier() => open[0] > open[1] and close[0] > open[0] and high[1] > open[0] and close[1] < open[1] and open[1]-close[1]>.02 plotshape(isdaily and oneWhiteSoldier(), style=shape.labelup, size=size.small, location=location.belowbar, color=green)