Shares of Silicon Motion Technology Co. (SIMO) are up .33 to 20.76 today.? ?SIMO is making a 52 week high.

Today paper traded 2500/2000 SIMO Jul 17.5/Jul 20 call spreads at 2.0.? The ADV is 404 contracts. The OI is 2616 and 1811 respectively.

The volume went up in 2 large blocks.? The trade looks like they rolled up to the 20s to keep a successful spread going. The 17.5s were marked sale with the 20.5 marked buy.? We covered aggressive call buying in SIMO on Jun 18th.

?30-day implied volatility is 41%.?? 10-day implied volatility is 33%.? 30 day implied volatility is trading above the 10 Day Historical volatility.

Silicon Motion Technology Corporation (SMTC) is a holding company. The Company?s operations are conducted through Silicon Motion, Inc. (SMI Taiwan), a wholly owned subsidiary located in Taiwan and FCI, Inc. (FCI), a wholly owned subsidiary of SMTC, located in Korea.