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Quantitative Finance · Begrippenlijst

Wat is Tick store, append-only file?

Ook bekend als: tick store · append-only file

Definition 4.1 Research, Data and Risk Platforms · Hoofdstuk 4 — A Tick Store on Open Formats

A tick store is the system that keeps a firm’s tick data and answers queries on it, from the current session to the oldest year retained. An append-only file is a file whose writer only adds bytes at its end and never changes what it has written, so that a reader can use every complete record already there while the writer continues.

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