USDCAD trendline breakout shorting review

In looking this trendline analysis, price has break through the demand trendline, but still there is no falling knife shown from the market. in reviewing the confirmation bias to support the trendline breakout, RSI is in overbought condition and price was held around 1.34243 - 1.33718. Expected the price will break the 1.33718 support level and providing opportunity for shorting the market