EurChf can be a good swing buy trade

EurChf has changed its long term trend from bearish to bullish in May 2020 and the pair has risen 600 pips from that low to March 2021 high and this is a lot for this quiet pair.
From that top, a correction has started and the pair fell 400 pips.
At this moment EurChf is trading near a very strong support zone and a reversal is very probable.
I'm looking to buy