The order book trading rules are aligned closely with the operation and system rules of the trading system. In general the order book trading rules are high level and reference the trading system and parameters where applicable.
They are designed to be resilient to system configuration changes at segment and sector level within the trading system.
The rules primarily cover how member firms access the trading system and the responsibilities of member firms for their order management. These include order routing and member authorised connections. They also cover contra requests and the reversal of erroneous trades.
Downloads
Rules of the London Stock Exchange(
file pdf - 4 MB)
Guide to the New Trading System (
file doc - 1 MB)
Millennium Exchange Business Parameters (
file xls - 730 KB)
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