"If you had acquired them through a dividend reinvestment plan (DRIP) average market price over time is exactly what you'd use." I think that is allowed for mu

"If you had acquired them through a dividend reinvestment plan (DRIP) average market price over time is exactly what you'd use." I think that is allowed for mutual funds, but not stocks. http://www.irs.gov/Help-&-Resources/Tools-&-FAQs/FAQs-for-Individuals/Frequently-Asked-Tax-Questions-&-Answers/Capital-Gains,-Losses,-Sale-of-Home/Stocks-(Options,-Splits,-Traders)/Stocks-(Options,-Splits,-Traders)-3 http://www.irs.gov/Help-&-Resources/Tools-&-FAQs/FAQs-for-In...