Stock	Puts	xNormal	onAsk
PWR	3062	23.02	80%
ARUN	7381	6.30	63%
ELX	5297	2.09	57%
BVF	1880	2.60	55%
QDEL	1003	14.54	50%
AN	1158	2.51	48%
CM	1049	12.95	46%
ATLS	1157	5.41	37%
ATML	3270	35.54	33%
CAVM	3736	2.01	28%
2010-07-30 close ?