The current price of BTC is 101400. If you short at the current price, there is approximately 1000 points of room above, but at least 2000 points below, giving a risk-reward ratio of 2:1. So this is currently a great position to short.
If it breaks above 102400 next, you can wait for a pullback to around 102000 to stop-loss with a 600-point loss. However, if it continues to pull back as expected, there will be at least 2000 points of room below.