Oracle (ORCL) options are busy (chart.) Interest in the July 20 straddle picked up early in the session. July 21 calls are now the most actives, with 20.5K traded, compared to 17K of existing open interest. The top two trades are 4,680 and 4,133 contracts at the offer for 40 cents, which are possibly closing trades. Nevertheless, sentiment seems somewhat bullish, with 41K calls and 29K puts traded so far. Meanwhile, an implied volatility skew between July and August options hints at a possible earnings gap move of $1.44, or 7.2 percent, when the software giant reports after the closing bell.