Electronic Arts (ERTS) adds $1.37 to $22.20 and 15,877 Jan13 $30 calls are bought on the video game-maker for $1.71 per contract. It’s possibly closing. The contract is 35.1 percent OTM and 16,308 contracts traded against 21,760 in open interest. Or, it might be an opening play, as shares have recaptured a 200-day MA today and have been grinding higher over the past few months — up 26 percent since 8/10. A 52-week high was recorded earlier this month when the stock closed at $25.20 on 11/4.

*Scanning all single-stocks subject to 2500 contracts minimum call or put volume

It’s been a volatile day for SINA shareholders, as the stock fell to a 52-week low of $56.05 on talk Muddy Waters was set to unleash a negative research report on the Chinese Internet company. Shares are now down $3.15 to $60 and off session lows after Muddy Waters denied the speculation (per Benzinga). Still, shares are down and implied volatility in SINA options up 17 percent to 97, on 3X the daily options volume for the name. 19,000 calls and 46,000 puts traded in SINA so far. Dec 40 puts are the most actives and traded predominatly (75 percent) on the bid. 5,920 changed hands. Weekly (12/2) 50, 55 and 57.5 puts are the next most actives in SINA today.

*Scanning all single-stocks subject to 2500 contracts minimum call or put volume

Krispy Kreme is seeing Notably bullish option flow in front of Wednesday’s post-close earnings release. 3700 calls on the tape by 11am (vs 3 puts) and the focus is on the Dec 7.5 strike, where buyers have paid up to 30 cents to open new positions struck about 12% above current spot. Front term ATMIV of 90% is nearly 20points above Jan ATMIV, and suggests an earnings day standard deviation of nearly 17%, dramatically higher than the non-earnings daily deviation of approx 3.65%.