For a “thin” holiday market open interest rose significantly in the Feb. options. Over all volume in 10yr. note futures for the Mar. contract was well below the average, about 544K contracts traded. Open interest in the Feb. puts rose 28K to 188K, most of that coming from shorts entering the 115/119 strangle. The 115 puts traded around 30K and the 119 calls traded around 30K. However, it was not all selling as noted yesterday, Mann likely for a European based fund was buying puts outright in the 115, 115.5, and 116 strikes in both Feb. and Mar. The Mar. 115.5 puts traded over 24K yesterday with open interest rising over 15K on preliminary reports.
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