EOD Full Form is End of Day. In other terms, it means End Of Business or Close of Play or Close of Business. It can also mean end of trading day in terms of financial market and refers to the trade ceasing point or just before it. Usually, it is during this time, the market would perform ‘run to cash’. This is nothing but market reconciling to its fundamental cash market.
In US military terms, EOD refers to the time when all sort of administrative works and training stop. The senior officer of the unit would hold a formation during EOD. EOD has become a very common Internet slang and SMS language as well . Even some of the official and personal communications use the term EOD in them.