|
Situation |
Impacts |
Response |
|
CHX cannot process trades from the SIP |
During Trading Hours: At a matching engine level, CHX may not be able to process orders for IPO issues or Market IOC orders (if first sale not yet received). At a market data database loading level, post trading integrity checking may be compromised. |
1) Confirm scope of impacts. Are problems specific to: - SIAC and/or NASDAQ - CH2 and/or NY4 - Servers? Processes? Channels? - Matching Engine processing? - Market Data Database Loading? 2) Notify management. 3) Manually open IPO issues as dictated by other Financial Market Data Vendor information. - Use NTM Control ME commands. 4) Consider enabling Market IOC processing in affected issues - Use NTM Control ME commands. 5) At time of resolution, there will be no retransmission of lost market data to matching engines; Confirm market data is known by MEs. 6) After time of resolution, consider whether or not a reload of any missing data can be, and should be copied or replayed into the database for post trading integrity processing. |
Scope of Impact Response Considerations:
1) Market Data Inbound processing is configured such that there is dual redundancy supported, reading from the SIPs. If redundancy is not lost and market data is being delivered via at least one path, then there should be no operational impacts, other than a potential loss of market data in the market data database loading processing. (Lost data in market data database loading may not be fully realized until integrity reports are run.)
2) If complete market data delivery is lost, then if considering enabling Market IOC processing, consider doing so only for the affected ME instances.
3) If market data was received by Market Data Processors, but not processed correctly by Market Data Database Loaders, then it is possible for this data to be replayed into the database; However, this is a complicated and time restrictive procedure.