Possible enumeration values:
| Value | Description |
|---|---|
|
0 |
Butterfly1 |
|
1 |
Butterfly2 |
|
2 |
Extrapolation |
|
3 |
Sibling market |
|
4 |
Previous day volatility |
|
5 |
User defined volatility |
|
6 |
Intraday lookback |