(4) (A) In the case of a taxpayer who is a dealer in securities (within the meaning of section 1236 )— (i) if, on the date of a short sale of stock, substantially identical property which is a capital asset in the hands of the taxpayer has been held for not more than 1 year, and (ii) if such short sale is closed more than 20 days after the date on which it was made, subsection (b)(2) shall apply in respect of the holding period of such substantially identical property. (B) For purposes of subparagraph (A)— (i) the last sentence of subsection (b) applies; and (ii) the term “stock” means any share or certificate of stock in a corporation, any bond or other evidence of indebtedness which is convertible into any such share or certificate, or any evidence of an interest in, or right to subscribe to or purchase, any of the foregoing.
26 USC § 1233(e)(4)
None identified. Default scope is assumed to be the entire title.