Opening Auction Contingency Matrix
Cboe plans to take the following actions if a matching engine failure occurs prior to the Opening Auction. Normal matching engine fail over occurs in approximately 45 seconds.
| Time of Matching Engine Recovery | Result |
|---|---|
| Prior to 9:28 a.m. ET (opening cutoff) | Opening Auction occurs as scheduled at 9:30 a.m. ET |
| Between 9:28 a.m. and 9:30 a.m. ET | Opening Auction occurs as scheduled at 9:30 a.m. ET |
| After 9:30 a.m. ET | No Opening Auction is performed. |





