Sirius XM Radio (SIRI) loses two pennies to $1.43 and a 15000-contract block of Dec 1.5 puts is sold-to-close on the stock at 26 cents per contract on ISE. Dec 1.5 puts on SIRI are 4.7 percent in-the-money with 38,860 in open interest and 73 days of life remaining. 15,530 now traded, as some investors might be exiting positoins on the view the recent decline in shares has run its course. Jan 1 and Oct 1.5 puts on SIRI are seeing interest as well. Overall volume is heavy in Sirius options today, with 28,000 calls and 34,000 contracts on the tape so far. Implied volatility is up 6.5 percent to 86 following a wide swing in the share price today. SIRI hit a 52-week low of $1.27 early, before rebouding to a high of $1.52 mid-morning. The company announced today that Subaru will offer SiriusXM on all vehicles beginning with 2012s.