You can make a charitable contribution of shares at any time, but it will only be eligible to be deducted in the taxable year in which it is made (which ends each year on December 31). We process donations only on business days when markets are open, so we recommend making a donation no later than the second-to-last business day of the year in which you wish to claim the donation. As an example, if you’d like for a donation to be eligible to be deducted on your 2022 tax return, make sure to ...