Yes it is pertty volatile here is the latest resistance and support map to help.
CURRENT PRICE 42.19, at resistance, 43.57 ± 1.48, type single, strength 8
RESISTANCE ABOVE +14% at 48.09 ± 1.64, type triple+, strength 8
+27.7% at 53.86 ± 1.83, type triple+, strength 10
+34.2% at 56.64 ± 1.93, type double, strength 6
+43.3% at 60.45 ± 2.06, type triple+, strength 10
+52.2% at 64.2 ± 2.18, type single, strength 2
SUPPORT BELOW -6% at 39.67 ± 1.35, type single, strength 5
source:
http://www.stockconsultant.com/consultnow/basicplus.cgi?symbol=SHLD