A purchase of a security by an investor or company that occurs shortly after the sale of the same security, usually within the same day.  This usually is done as a way of decreasing the book value of the stock, although many regulations are in place to prevent this, such as the wash sale rule.  also called crystallization.
Related information about pairoff:
- Pairoff Definition | Investopedia
 1. A purchase of securities to offset a previously transacted sale of the same   security. 2. A transaction in securities markets where off-setting buy and sell   trades ...
 
- What is pairoff? definition and meaning
 Definition of pairoff: A purchase of a security by an investor or company that   occurs shortly after the sale of the same security, usually within the same day.
 
- Pairoff - Financial Dictionary - The Free Dictionary
 Definition of Pairoff in the Financial Dictionary - by Free online English dictionary   and encyclopedia. What is Pairoff? Meaning of Pairoff as a finance term.
 
- Pairoff - FinanceGlossary.net
 Pairoff as per FinanceGlossary.net is A security purchase transaction that is   closed out or sold on or before the settlement or expiration date. In a pair-off, the ...
 
- Pairoff Definition
 Pairoff Repurchase or buy back to set off or cancel, in effect, a previous sale of   securities. Random Finance Terms for the Letter.
 
- P by PFhub ™
 Personal finance and news resource. Home · Bank Rates ...
 
- Pair Off Definition - What is a Pair Off - Pair Off Stock - The ...
 Pair Off - Pair Off is the purchasing of stock securities to offset a previously   transacted sale from the same stock security. A transaction in stock securities   markets, ...
 
- Scheme/ML Comparison
 Nov 4, 2009 ... fun pairOff([]) = [] | pairOff([x]) = [[x]] | pairOff(x::y::rest) = [x, y]::pairOff(rest);, (define   (pair-off lst) (cond ((null? lst) ()) ((= (length lst) 1) (list lst)) (else ...