Code to represent the basis price type.
| Code | Meaning |
|---|---|
| 2 | Closing price at morning session |
| 3 | Closing price |
| 4 | Current price |
| 5 | SQ |
| 6 | VWAP through a day |
| 7 | VWAP through a morning session |
| 8 | VWAP through an afternoon session |
| 9 | VWAP through a day except "YORI" (an opening auction) |
| A | VWAP through a morning session except "YORI" (an opening auction) |
| B | VWAP through an afternoon session except "YORI" (an opening auction) |
| C | Strike |
| D | Open |
| Z | Others |