What are the pluses and minuses AFTER the Stockfish analysis? - Chess Forums

I am wondering what the ++ and -- are after the Stockfish analysis. For example, Stockfish may evaluate a position as - (0.02 ++), as in the first screen shot, or + (0.02 --) as in the the second screen shot. I am very clear about what the first + or - means that is outside the parenthesis, but I have

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