Option Activity Alert: Research In Motion Limited and General Electric Company

The smartphone stock is drawing substantial call volume ahead of a new product launch

by Elizabeth Harrow (eharrow@sir-inc.com) 7/29/2010 11:40 AM



Options traders set their sights on Research In Motion Limited (RIMM) and General Electric Company (GE) yesterday. While calls were popular on RIMM, a recent rise in short interest casts dubious light on this apparently bullish option activity. Meanwhile, GE hasn't garnered much attention from the shorts, but it's certainly become a popular target among put buyers.

Research In Motion Limited

RIMM racked up heavy call volume on Wednesday, with volume rising to 1.09 times the expected level. Approximately 47,000 calls were exchanged during the course of the session, compared to the equity's predicted daily call volume of 43,000 contracts.

On the International Securities Exchange (ISE) alone, traders bought to open 3,710 calls, compared to 1,361 puts. RIMM's single-day ISE call/put volume ratio of 2.73 reveals that bullish bets were nearly three times more popular than their bearish counterparts.

In fact, RIMM's 10-day ISE call/put volume ratio of 1.82 rests in the 71st annual percentile, confirming that traders have been purchasing calls over puts at a faster pace than usual in recent weeks.

RIMM short interestLikewise, the smartphone stock's Schaeffer's put/call open interest ratio (SOIR) of 0.64 indicates that calls easily outnumber puts among options slated to expire within three months. This ratio rests in the 45th annual percentile, pointing to general complacency among short-term options players.

However, it's interesting to note that short interest on RIMM has been ramping up lately. The number of shares sold short escalated by 15.4% during the past month, and 13.7% during the most recent reporting period. Now, these bearish bets account for roughly 4% of RIMM's float.

With short interest and buy-to-open call volume climbing in tandem, it's always worth considering the notion that short sellers are utilizing calls to limit their upside risk. This is particularly true of RIMM, as rumors have been swirling lately that its revamped BlackBerry may be the "iPhone killer" the company has been searching for.

In fact, hedging seems to be the likeliest explanation, considering RIMM's recent bout of technical weakness. The stock has slumped about 18% year-to-date, and it's currently battling stubborn pressure from its 10-week moving average. This trendline hasn't been surmounted on a weekly closing basis since mid-April, having thwarted all of RIMM's recent rally attempts.

Weekly Chart of RIMM since March 2010 With 10-Week Moving Average

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