According to the chart of M15, #Bitcoin formed the Bullish Symmetrical Triangle pattern, which signals the trend will continue. Description. The upper border of the pattern touches the coordinates 19891.80/18892.52 whereas the lower border goes across 17983.72/18892.52. The pattern width is measured on the chart at 190808 pips. If the Bullish Symmetrical Triangle pattern is in progress during the upward trend, this indicates the current trend will go on. In case 18892.52 is broken, the price could continue its move toward 18892.74.