AR:CVH Reaching maximum within rectangular channel

The chart analyses an imminent bearish trend for Cablevision Holding (AR:CVH) stock, as prices are near the top of its rectangular, parallel channel. As can be seen in the chart, after an interesting bearish trend, the stock got into a rectangular channel, peaking un ARS 478 on June 08. In that occasion, RSI reached 85/85, MACD reached +5.30, and Momentum reached +61,00, with MACD curves depicting a bullish trend four days after crossing each other.

Current stats show RSI 98/94, MACD +5.60, and Momentum reaching +90,00. Considering this, and noticing that prices are near its resistance line, I believe that it is almost the time to sell, and by no means to buy.