What does amount to be carried back mean for futures losses?

[LeeM]

That means you can amend your old returns to now include that loss. Usually, that loss can always be carried forward, in which case, you would need to keep that information to ensure you use that loss in future years.

If you want to amend your old returns to include part of that carryback loss, you can do so using the instructions in the FAQ below. I've also included more information on capital loss carryovers.

https://ttlc.intuit.com/replies/4789424

https://ttlc.intuit.com/replies/3288565