Cost basis calculators

[Fretworn]

What the best online cost-basis strategy/calculator for funds held for many years and sold all? NetBasis is not giving me the answers I want this year. 

[Seahawk190]

Log-in to your investment account and see the information there.

[fanfare]

since you "sold all", consider using average cost basis.

See IRS Pub 550.

[ThickAsABrick]

If you have a broker to contact (or work with) at your brokerage house, I'd ask them to research this for you. They do it all the time.