Shares of Mast Therapeutics Inc. (MSTX) are up .01 to .84 today.? MSTX is making a 52-week high today.
Today paper traded 955 MSTX Jan1 calls at .05.? ADV is 308 contracts.? The OI is 7838 contracts.
The volume traded in one block with over 8000 of the Jan 1 calls trading hands.? Most of the paper was selling to close. Apr and Jul 1 calls are trading with much of the volume selling.? There is very large OI here and there seems to be some profit taking on the recent pop from .56.
30-day implied volatility is 156%.? ?10-day implied volatility is 230%.? 30-day implied volatility is trading below the 10-day historical volatility.
Mast Therapeutics, Inc., formerly ADVENTRX Pharmaceuticals, Inc., is a development-stage company biopharmaceutical company focused on developing product candidates.