Shares of TSRX are trading 6.92 up .22.? The stock is trading at the 52-week high.

Today paper traded the TSRX Apr 7.5 calls for .75 in a block of 500 on the open.? The average contract volume is over 370 contracts per day in the name.? Open interest in the contract is 2,145

The trade went up on the offer suggesting this was a buy.? Implied volatility is up 7 points in April and volume on strike is 1255 as of this writing.? This could be a news pending trade.

30-day implied volatility is 122%.? 10-day implied volatility is 60%.? 30-day implied volatility is trading above the 10-day historical volatility.

Trius Therapeutics, Inc. operates as a biopharmaceutical research company.