ITCH

ITCH is a data format used in the NASDAQ TotalView-ITCH service to transmit stock market information.

Format information
-ITCH 4.1 format specs]
 * [http://nasdaqtrader.com/content/technicalsupport/specifications/dataproducts/NQTV-ITCH-V4_1.pdf NASDAQ TotalView

Metaformat files

 * Synalysis grammar file (for Hexinator / Synalize It!; more details)