Twitter Inc (TWTR) calls have been popular the past two weeks
Twitter Inc (NYSE:TWTR) call buyers have been running rampant in the stock's options pits lately. Proof lies in the data from the International Securities Exchange (ISE), Chicago Board Options Exchange (CBOE), and NASDAQ OMX PHLX (PHLX). Across this trio of exchanges, the equity's 10-day call/put volume ratio is at an annual high of 4.45. To clarify, speculators have bought to open TWTR calls over puts at the fastest rate in the past 52 weeks.
Today, speculators are taking a keen interest in the security's near-term contracts, as seven out of its 10 most popular options expire this Friday. One contract seeing notable attention is the weekly 3/6 49.50-strike call, which traders are buying to open, betting on TWTR to break through $49.50 by week's end. 
Shifting gears, analysts are split on the shares. At the moment, 13 covering brokerage firms deem TWTR a "strong buy," yet the remaining 12 analysts tracking the stock say it's a "hold" or worse.
Twitter Inc (NYSE:TWTR) has been on fire lately. The stock has added 33% in 2015, thanks to an earnings-induced bull gap on Feb. 6. At last check, the shares were 1% lower at $47.64.