Yes, even if it's the same share that Anna sold to Bob short in the first place. That's how you get short interest > 100%. The market doesn't care, it only ca

Yes, even if it's the same share that Anna sold to Bob short in the first place. That's how you get short interest > 100%. The market doesn't care, it only cares that a share was sold from Anna to Bob and then from Bob to Anna. The individual shares are completely fungible. (They don't actually exist, they're just numbers in a contract.)