| MarketMakerActivityCodeSet | int | Indicates market maker participation in security.
| 0 | = | No participation | Added EP104
| | [NoParticipation] | | 1 | = | Buy participation | Added EP104
| | [BuyParticipation] | | 2 | = | Sell participation | Added EP104
| | [SellParticipation] | | 3 | = | Both buy and sell participation | Added EP104
| | [BothBuyAndSellParticipation] |
| Added EP104
|