..indefinitely carry forward, just keep track of transactions in case of audit. Claim the loss that tax yr and CRA will keep track of it on your tax summary each yr after until you reduce it back to zero. The unfortunate thing is you have to sell the share to either have a loss or gain, you will here from all sorts of analyst that say never average down and this is good advice, but if you believe in Liberty and you think nickel prices are going higher , then at this price Liberty sure is a bargain.one mans opinion, Traps7