Qualcomm (QCOM) has seen a day of brisk trading, with almost 200K options traded on the chipmaker so far. Shares are up $2.65 to $42.84 after the company boosted its second quarter guidance on stronger performance from licensing and chip set businesses. 126K calls and 70K puts traded on the news. Top trades included a seller of 10K April 45 calls against a position in shares, 10000X, and an April – July 45 call spread at $1.18, 5000X. April puts and calls with strike prices ranging from 39 to 47 are among the most actives. Meanwhile, implied volatility is down 12 percent to 23.5, as today’s news seems to have eased some of the anxiety that surfaced when earnings news sent shares tumbling 14.2 percent on Jan 28.