ATHEX Overview

TT provides access to the Athens Exchange (ATHEX), which provides derivatives trading of futures and options on stocks and indices. Derivatives trades are cleared through ATHEX Clear.

ATHEX Exchange API

TT® supports the following:

  • Prices — OASIS IDS Market data specification. The service uses TCP/IP protocol for feed transmission with real-time recovery/retransmission features.
  • Orders — ATHEX Gateway supports FIX protocol version 4.4.

ATHEX Matching Engine

Orders are matched based on Price-time priority.

Supported ATHEX Products

TT supports all futures, options, and spreads derivatives products provided by ATHEX.

Unsupported ATHEX Functionality

TT currently does not support the following:

  • Wholesale orders
  • Quoting/Mass quoting
  • Exchange Implieds
  • Unsolicited Orders and Fills
  • Exchange Self Match Prevention
  • Position In Queue

ATHEX trading hours

Refer to the exchange website.

ATHEX market states on TT

The following table shows how ATHEX market states are displayed in TT.

Market State Description
Auction Start of trading. Market data is available and orders can be submitted without matching.
Open Continuous and closing price trading. Users can view market data and submit orders with matching.
Closed Market close and end of trade reporting. No market data is available and no orders can be submitted. Closing prices are published.
Freeze Halt in trading.

Market Depth

TT supports up to 50 levels of detailed depth and up to 20 levels of aggregate depth provided by ATHEX.

Connectivity Options

The TT® platform provides connectivity to the exchange, so you do not have to contact the exchange regarding connectivity options. Refer to TT Access for more details about your connectivity options for connecting to TT.