Here is a simple range identifier Amibroker AFL code which helps you to spot and visualize out higher return event days and high volatile intraday range days to study how a specific stock/index reacted to the particular event/news outcome.
Coral Trend Indicator is yet another trend following indicator inspired from Tradingview Pinescript code. Code is designed to plot in PSAR style. Green color dots represents bullish trend. and the red dots represents bearish trend.
The Long butterfly spread is a neutral strategy that is a combination of a bull spread and a bear spread. It is a limited profit, limited risk options strategy. There are 3 striking prices involved in a butterfly spread and it can be constructed using calls or puts.