Script show up to 7 previous values of 'source' input for a specified period of days. Use inputs to select period: 365 (approximately) for years, or any other period (1, 7, 30, 90...). You can hide extra plots, customize their colors, apply this to another indicator or enable 'trackprice'.
On showcase:
Top indicator shows a close price for previous 3 years, and curent year