If you sell the stock, then any gain on the sale of that stock is taxable. If you make a contribution to a Traditional IRA, you can take a deduction on the contribution if you meet the requirements. If you make a contribution to a Roth IRA, these contributions are NOT tax deductible. Please refer to the following Turbo Tax article to learn more about the rules for deducting contributions. https://turbotax.intuit.com/tax-tools/tax-tips/Tax-Planning-and-Checklists/Tax-Tips-After-January-1-....