Shares of Coinstar (CSTR) are trading lower on the session by 0.23%, at $47.69. The stock has been moving largely lower over the past four months, though it recently perked up and regained the 50-day moving average.

One trader is drawing a line in the sand today by selling downside puts. A short while ago the December $40.00 put was sold 7,220 times, on the bid, for $0.60. With open interest on the strike of only 812 contracts, this is clearly new positioning. ?

Overall put volume is now running at 3.4x normal volume.

30-day implied volatility is up 0.6% today to 39.16%, while 10-day implied volatility is registering 44.21%.

Coinstar, Inc. is a provider of automated retail solutions, which offers convenient products and services.