The highlighted area shows the place where price is likely to bounce. The Trend remains UP as long at it's not broken.
The buy zone is a break of the 33 level with clear momentum candles. A momentum candle is a full-bodied candle that shows power, magnitude and growth. This trade is purely based on technical aspects coupled with clearly reading the tape. Tape reading is an essential skill that every trader needs. The Tape tells us how to read and interpret price zones.
The trade is invalidated by a break of the trend line.