Shares of Huntsman Corp. (HUN) are trading down .23 to 25.20. HUN is near the top of the 52 week range.

Today paper traded 24960 May 21 Aug 24 call spreads for 2.16. ?The ADV is 8119 contracts.? The OI is 32k in May and 11k in Aug.

The volume went up in two blocks.? The call trade looks like a straight roll out of May and into Aug. The May calls trade for .03 under parity while the Aug traded in the middle of the market.? This looks like a roll up on a successful longer term buy.? The trader wants to roll the money up.

30-day implied volatility is 25%.?? 10-day implied volatility is 15%.? 30 day implied volatility is trading above the 10 Day Historical volatility.

Huntsman Corporation is a manufacturer of differentiated organic chemical products and of inorganic chemical products.