The Wash-Sale Rule Quietly Voids Your Year-End Tax Loss
You sold the loser in December to bank the loss, then bought it back a week later because you still liked the position. The loss you were counting on to offset your gains just evaporated, and the IRS did it with a rule from 1921 that most people meet for the first time in April.
October 20, 2026 · 9 min read

