TSLA reports earnings on Wednesday. I think this 10:30 weekly chart shows TSLA to be technically weak and possibly entering a Stage 4 decline. The stock is below its 10 and 30 week averages, the 10 week is below the 30 week and the 30 week average (solid red line) is starting to curve down. Its green line top is at 414.49, reached in November 2021. To bet on a decline one could buy put options or one of the bearish ETFs, TSLS or TSLQ or TSDD. I prefer to watch safely on the sidelines.
I think I understand your buying technique, but when do you decide to sell one of your holdings?