PINS' chart has only seen a Bullish Engulfing (BE) pattern on 4 instances since it has gone public.
1) The first was at the beginning of January 2020 - the stock rallied from $18.88 to $27.10 by Feb 7th, 2020. (43.5% increase)
2) The second was at the end of March 2020 - the stock rallied from $14.92 to $21.59 by May 5th, 2020. (44.7% increase)
3) The third was...