Retail Price Improvement Message Fields (BYX and EDGX Only)
The Retail Price Improvement message is only available on the BYX and EDGX Exchanges. This message is a Retail Liquidity Indicator (RLI) that includes symbol and side, but not price and size. An RLI will be disseminated when there is a Retail Price Improving (RPI) order present for a symbol on the Exchange order book OR to indicate a RPI order is no longer available. RPI orders offer price improvement in increments of $.001 to Retail Member Organizations.
Cboe will disseminate a Retail Price Improvement message when the resting RPI order is priced better than the NBBO.
The Retail Price Improvement message has the following format:
| Field Name | Offset | Length | Type/(Value) | Description |
|---|---|---|---|---|
| Length | 0 | 1 | Binary | Length of this message including this field |
| Message Type | 1 | 1 | 0x98 | Retail Price Improvement message |
| Time offset | 2 | 4 | Time Offset | Nanosecond offset from last unit timestamp |
| Symbol | 6 | 8 | Printable ASCII | Symbol right padded with spaces. |
| Retail Price Improvement | 14 | 1 | Alpha |
|
| Total Length = 15 bytes | ||||