National Oilwell Varco (NYSE: NOV) volatility elevated as NOV at record high on oil rally.

NOV, a worldwide provider of equipment a components used in oil and gas drilling production operations, closed at record high of $136.94. WTI Crude oil futures are down 0.03% at $78.21 a barrel according to Bloomberg. NOV overall option implied volatility of 43 is above its 26-week average of 38 according to Track Data, suggesting larger price risk.

Texas Instruments (NYSE: TXN) volatility at 30 into third quarter business outlook.

TXN closed at $35.72. ThinkEquity says that "TXN provided an in-line mid-quarter update." ThinkEquity goes on to say, "we view this as mildly disappointing given the strong environment for PCs, consumer, and high performance analog, and investor expectations for an in-line to slightly better outlook." TXN September option implied volatility of 30 is above its 26-week average of 27 according to Track Data, suggesting slightly larger price fluctuations.

Daily options Update is provided by Stock Specialist Paul Foster of theflyonthewall.com.