Short $BTCUSD with stop loss exit at 21EMA on 30min time frame

BTCUSD in a downtrend. Huge losses overnight and European and American investors will be waking up to double digit percentage losses across most cryptos potentially springing further selling. Set up for shorts when the chart hits the 9EMA on the 30 min chart with stop loss at 21EMA. The price action has not hit the 21EMA on the 30 minute chart since 8th March @ 16:30.