Financial Dictionary abcdefghijklmnopqrstuvwxyz Search for terms: Pari-passu A Latin term referring to two securities with the same obligations and rights. For a secondary issue of shares with the same rights like existing shares is said to be pari-passu. Tweet Related Terms Proprietary Proprietary Trading Palladium Platinum Ponzi Scheme Portfolio Margin Peer Group Pay As You Go Pension Plan Pay Czar Pending Home Sales Index – PHSI