@js1_ wrote:
Does the time my father held the stock before gifting it count towards the 60 days the IRS is referring to above.....?
Yes, the time your father held the stock does count (this is called "tacking") provided the basis in your hands is the same as the donor's (your father's) adjusted basis.
See https://www.irs.gov/faqs/capital-gains-losses-and-sale-of-home/property-basis-sale-of-home-etc/prope...
