Acivity is increasing on a lot of energy companies lately. the article below highlights this in realtion to oil companies and aquisition news.

Insights on Block and Options Trading Activity for McMoRan Exploration (MMR)

"NEW YORK (AVAFIN) — A record number of McMoRan Exploration call contracts were traded during the busy trading session. There were 4.7 call contracts traded for each put contract yielding a 0.21 put/call ratio where 3843 put and 17931 call contracts …"
http://www.avafin.com/articles/1016297.html