Do not fully understand you question.

If you sold your stock for loss ten years ago and did not claim it, you can not claim it any more.

If you sold your stock for loss recently (2011 or 2012), you still can claim it.

 

Not sure what 10-year means in your statement.

所有跟帖： 

• 不好意思，是指2010年時候的交易！ 還可以CLAIM嗎？ -shamee- ♂ (0 bytes) () 01/07/2012 postreply 21:31:38

• you can file amended tax return for 2010 -curiousGeorge2- ♂ (39 bytes) () 01/08/2012 postreply 08:54:19