Mittal Steel (MT) gains 12 cents to $19.12 and a 11,000-contract block of Dec 21 calls trades on the steelmaker for 36 cents when the market was 33 to 36 cents. Several sweeps of Dec 21 calls also traded on the stock across multiple exchange today. Data is hinting at an opening buyer. 23,200 now traded at a VWAP of 33.2 cents against 1,564 in open interest. The market is now 38 to 40 cents and implied vols in options on MT are up 4.5 percent to 64.5. Bullish trading comes as the stock tries to recover some of this year’s losses. MT is down almost 50 percent year-to-date, but up more than 25 percent since last-Wednesday.