CROX – Crocs, Inc. – The footwear firm’s shares plunged 15.5% in afternoon trading to touch down at an intraday low of $11.68. Sharp share price erosion spurred put buying by options traders expecting the stock to continue lower ahead of October expiration. Investors purchased approximately 5,100 now in-the-money puts at the October $12 strike for an average premium of $0.85 each. Put players make money if shares fall another 4.5% from today’s low of $11.68 to breach the average breakeven point at $11.15 by expiration day next month. Options implied volatility on the shoe maker shot up 26.7% to 66.39% as of 3:40 pm ET.