18.442 lies on a trendline that has supported XAGUSD multiple times, since Feb 17-18.
A break below this level can initiate selling or correction in overbought markets.
Targets on the downside can be, 18.41 - 18.31 - 18.22 - 18.19.
18.56 can be used as S.Loss for short positions.
Momentum is strong sofar, 18.41 or corresponding level can be used as a stop for long side positions too.