Symmetrical Triangle in RCNBTC Huboi, from May 27th to June 1th

During basic trading exercises, on patterns identification, I found a symmetrical triangle in RCNBTC Huboi, from May 27th 21:30 to June 1th 20:00. On the chart I drew the base from the peak to the base and the height of the triangle to the breakout point. Volatility and volume decreases with time.