Although this triggers a tax event, you can realize capital losses at tax time, and you can avoid high account transfer fees. (valuepenguin.com)
If you don't plan to sell, however, you won't realize the capital loss, just as you wouldn't realize it if you held an individual bonds. (janebryantquinn.com)
That would realize a capital loss of $ 5,000, which you would report on your next tax return. (moneysense.ca)