%% SPY close @448.7 is a down[red] bar/candle close to close[2-4-2022] since its bouncing off 200dma say close again @453.63 [again]up blue or green candle ,bar. NOT a prediction. So close to close in your example would be a blue or green up bar/candle [colors i use. Open price to open or close is a whole different matter; wisdom is profitable to direct[ Sounds like you did what i did meant to buy DDM +accidently got DXD, so cut a loss + got in DIA related/LOL] Trendline$ are whole different subject. Thanks
It depends on the strategy. Option buyers are interested in trends, option sellers are interested in mean reversions.
%% Same way with trend folloWers+ Donchian channelers. I some times round down[record data like] op\ $448.700 to $448, unless i bought @448.48/
Don’t look down on anyone Don’t look up to anyone You will see things as they are… Quote from someone who I look up to