Kinda interesting. Subject to SEC approval, on March 12, 2018, The Nasdaq Stock Market (“Nasdaq”) will introduce the Midpoint Extended Life Order (M-ELO). M-ELO is a new order type that is designed to attract and unite counterparties with longer-term investment horizons. M-ELO orders will only execute against other M-ELO orders at the midpoint of the NBBO. For more information regarding M-ELO please click here. As announced in Equity Technical Update #2017 - 5, entering an M-ELO requires a new Cross Type code of “E” and a Display instruction of “M” Cross Type / Cross Trade Flag (FIX) Explanation E Extended Life Order Nasdaq will also add a new liquidity code on all M-ELO executions. Liquidity Code Description n Midpoint Extended Life Order Execution Testing Opportunities Testing is currently available in the Nasdaq Testing Facility (NTF). Production testing will be available during the February 3 and March 10 UAT.