They mean, literally, before the middle of the day (morning) and after the middle of the day (afternoon and evening). Ante-post betting, unlike starting price betting, carries the additional risk that the original bet will be forfeited, rather than returned, if the wagered horse fails to run. [< Latin, prefixal form of preposition and adv. or adv. antebellum (non-productive) In front of in space. Learn more. Ante-post definition: In gambling , ante-post bets are placed before the day of a particular race or... | Meaning, pronunciation, translations and examples This is in contrast to ex-post analysis , which is based on the correlation of actual performance to factor returns. The words are ante-meridiem (am) and post-meridiem (pm). Not to be confused with anti-. In the financial world it’s often a prediction of a return on an investment. Ante hoc an´tā hōk . Let’s start! Ex-ante is used most commonly in the commercial world, where results of a particular action, or series of actions, are forecast in advance (or intended). ân´tē hak. So, I’m going to help you out with your forensic crime solving vocab by shedding some knowledge on the terms: ‘post-, peri-, and ante– mortem,’ and why these distinctions are important. Compare with Ante factum. Ex Ante means before the event, and is basically a prediction of something. antechamber anterior; Usage notes .  The ante in ante-post is derived from the Latin ante (meaning "before"), but the post is not the Latin post (meaning "after"). adj. ‘the ante-post favourite’ ‘Then came the victory with Celestial Gold, who ironically was seen as a reserve for Johnson and Pipe's original first choice, Our Vic, the ante-post favourite for the race until he had to be withdrawn early last week with a muscle injury.’ Ex post definition, based on analysis of past performance (opposed to ex ante). Source: Guide to Latin in International Law Author(s): Aaron X. Fellmeth, Maurice Horwitz “Before this.”Occurring before the event in question. ex ante definition: 1. calculated or existing before a particular event: 2. calculated or existing before a particular…. ante; akin to Greek antí, Old English and-against, toward, opposite. Ex-ante performance attribution analysis, also known as risk-based performance attribution analysis, uses a portfolio’s factor exposures to determine expected returns. See more. Ex Post means after the event, and means something that is settled after the event actually happens. The opposite of ex-ante is ex-post (actual) (or ex post). Buying a lottery ticket loses you money ex ante (in expectation), but if you win, it was the right decision ex post. "Ex-ante" essentially involves any type of prediction ahead of an event, or before market participants become aware of the pertinent facts. Earnings estimates, for example, involve ex-ante … See answer, and, anti-] Synonyms (prior to in time): pre-(in front of in space): fore-Antonyms (prior to in time): post-(in front of in space): post-Derived terms Ante-mortem injuries are injuries that happen to the bone while a being is still alive. ante-(non-productive) Prior to in time.