Jon Najarian Sees Unusual Options Activity In Arconic And Vale

On CNBC's Fast Money Halftime Report, Jon Najarian spoke about unusually high put options activity in Arconic Inc ARNC and Vale SA (ADR) VALE.

These stocks are trading sharply lower, but traders are aggressively selling put options. They are selling 26-strike puts in Arconic and 9-strike puts in Vale.

Najarian added that put selling can be noticed across many sectors and he sees it as a bullish sign. He explained that it seems that traders are using the sell off to increase their existing positions. He followed the trade and sold puts in Arconic and Vale.