Upload a CSV with at least date, open, and close columns. The program adds peak5, peak21, and peak63.
Trial formula:
rawPeakXp = highest close from previous Xp rows / current open
if rawPeakXp <= 1: peakXp = rawPeakXp
if rawPeakXp > 1: peakXp = -rawPeakXp
Xp is 5, 21, or 63. These are ratios, not percentages.