Haliburton (HAL) iShares Expanded Tech-Software Sector (IGV), Suncor e Energy (SU)

Highest Call Volume of the Day however another metric to observe may be the difference between call volume, average call volume and the percent difference.

If we want to look at the latter, the stocks to choose would be ...

GLNG - Golar
YEXT - Yext Inc
FHN - First Horizon Corporation