Selling for a profit triggers capital gains taxes. Conversely, selling an ETF that has lost value can be used to offset gains elsewhere, a strategy known as tax-loss harvesting .
Just as with buying, using limit orders during the selling process protects you from "flash crashes" or temporary dips in liquidity. Conclusion buying and selling etfs
Selling an ETF is often driven by one of three goals: rebalancing, profit-taking, or tax-loss harvesting. Selling for a profit triggers capital gains taxes