Bitmap field of 32 Boolean type indicators: 0 (least significant bit): Electronic Match Eligible 1: Order Cross Eligible 2: Block Trade Eligible 3: EFP Eligible 4: EBF Eligible 5: EFS Eligible 6: EFR Eligible 7: OTC Eligible 8: iLink Indicative Mass Quoting Eligible 9: Negative Strike Eligible 10: Negative Price Outright Eligible 11: Is Fractional (indicates product has fractional display price) 12: Volatility Quoted Option 13: RFQ Cross Eligible 14: Zero Price Outright Eligible 15: Decaying Product Eligibility 16: Variable Product Eligibility 17: Daily Product Eligibility 18: GT Orders Eligibility (Previously Tag 827) 19: Implied Matching Eligibility (Previously tag 1144) 20-31 –Reserved for future use

public const int InstAttribValue = 872