Database for financial market data storage and retrieval

Details Database for financial market data storage and retrieval Database for financial market data storage and retrieval

2011-03-08

2011-03-08

Poinvil, Frantzy (Department: 3691)

Data processing: financial, business practice, management, or co

Automated electrical financial or business practice or...

Finance

C705S040000

Reexamination Certificate

active

07904363

ABSTRACT:
A multi-session write-once computer tick database operable to store financial market data or “tick data.” The tick database stores market information regarding discrete market transactions in individual ticks. For example, information related to stock trades, and quotes may be stored in the database. The individual ticks vary in length dependent on the information available regarding the particular transaction. Null values are not stored in the database. Various field identifiers may be stored in the tick to identify the various metrics or parameters relevant to the transaction that are also stored in the tick. In various embodiments, one metric or parameter is associated with each field identifier. Different transactions may have different number of field identifiers stored within the tick, accordingly, different ticks may differ in length. The information stored within the ticks may be subsequently retrieved. When market data is retrieved using the embedded three-part hierarchal key structure, it may be stored in a cache associated with the tick database. The stored market data may be retrieved from the cache during subsequent requests.

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