EFID Level

Risk limits that apply across all symbols are configured by not specifying a Risk Root in a Risk Profile entry. A single EFID risk limit specified with no Risk Root is referred to as an "EFID Level" risk limit.

Consider a "rate count" risk limit that is configured with one EFID and no Risk Root (i.e., EFID Level rate limit). If the specified rate of trades across all symbols for the EFID is exceeded, all orders for the EFID will be canceled in all symbols.

Implementation of EFID and EFID Group Level risk limits requires monitoring across multiple Matching Engines, which occurs in a process outside of a single Matching Engine. As a result, these types of risk limits are best-effort. When an EFID or EFID Group Level risk limit trips, each Matching Engine is notified in a distributed fashion and as a result slight differences in application time at each Matching Engine will occur (i.e., best-effort).