More than 11,000 December 53 puts traded against open interest of just 122 contracts, clearly new positions. A trader bought blocks of 8,500 and then 1500 of the puts for $0.24, according to optionMONSTER's Depth Charge tracking system.
The XRT gained 1.57 percent yesterday to close at $63.55. The exchange-traded fund hit an all-time high of $65.47 last month, climbing from a low of $44 a year ago.
The put buying could be an outright bearish bet on the XRT or it could be hedging against a long position in the stock. The latter would ultimately be bullish, as it has a similar payoff to a long call position. (See our Education section)
Total option volume in the XRT was 39,393 contracts, compared to a daily average of 1,450.
