Generally, if the direction breaks 19,810, the direction will be confirmed as an uptrend.
Uptrend Side: currently the price is 19,846; the price of USNAS100 is trying to reach a resistance level of 19,994; but to reach this level, it will need to break by an open 4h or 1h candle above 19,810.
Downtrend Side: To reach a support level of 19,607, the price should stay by closing the 4H candle below 19,810.