CNBC | Volatility in oil prices will be off the charts until November, says OPIS' Tom Kloza CNBC Volatility in oil prices will be off the charts until November, says OPIS' Tom Kloza. 1 Hour Ago. Prepare for some whipsaw moves in crude oil prices until November, says Tom Kloza, co-founder of the Oil Price Information Service (OPIS). Watch CNBC Live ... |