File Layout and Field Documentation

The following rules apply to the file layout.

  • All fields will be separated by pipes (|).
  • The absence of a field will be represented by two consecutive pipes (||).
  • If the last field is absent, then the last character will be the pipe that precedes that field.
  • The standard Linux end of line character (typically denoted as \n) follows each row.
    Field NameData FormatNotes
    Trade DateText, MM/DD/YY
    SymbolText
    IssueNameText
    PrimaryExchangeText, single characterWill always be 'Z'
    SharesOutstandingInteger
    VolumeIntegerShares traded on the BZX for the Trade Date. Zero if no volume traded on the Trade Date.
    HighDecimal, 2 placesHigh trade price on the BZX for the Trade Date. Pre and Post Market trades are included as well as odd lot trades. Blank if no volume traded on the Trade Date.
    LowDecimal, 2 placesLow trade price on the BZX for the Trade Date. Pre and Post Market trades are included as well as odd lot trades. Blank if no volume traded on the Trade Date.
    CloseDecimal, 4 placesThe Official Closing Price as determined by the BZX. Populated even when volume is zero.
    12 Noon BidDecimal, 2 placesThe price of the highest displayed bid quote on the BZX at 12:00 ET; blank if the BZX does not have a displayed bid at that time
    12 Noon OfferDecimal, 2 placesThe price of the lowest displayed offer quote on the BZX at 12:00 ET; blank if the BZX does not have a displayed ask at that time
    12 Noon Bid/Offer MidpointDecimal, 2 placesThe average of the 12 Noon Bid and 12 Noon Offer; blank if one or both values is blank
    4PM BidDecimal, 2 placesThe price of the highest displayed bid quote on the BZX at 16:00 ET; blank if the BZX does not have a displayed bid at that time
    4PM OfferDecimal, 2 placesThe price of the lowest displayed offer quote on the BZX at 16:00 ET; blank if the BZX does not have a displayed ask at that time
    4PM Bid/Offer MidpointDecimal, 2 placesThe average of the 4PM Bid and 4PM Offer; blank if one or both values is blank
    4:15PM BidDecimal, 2 placesThe price of the highest displayed bid quote on the BZX at 16:15 ET; blank if the BZX does not have a displayed bid at that time
    4:15PM OfferDecimal, 2 placesThe price of the lowest displayed offer quote on the BZX at 16:15 ET; blank if the BZX does not have a displayed ask at that time
    4:15PM Bid/Offer MidpointDecimal, 2 placesThe average of the 4:15PM Bid and 4:15PM Offer; blank if one or both values is blank
    Last Trade PriceDecimal, 2 placesThe price of the last trade on the BZX during regular trading hours within the last 45 days. Odd lot trades are included. Blank if no trade in the last 45 days.
    Last Trade DateText, MM/DD/YYThe date of the last trade on the BZX during regular trading hours within the last 45 days. Blank if no trade in the last 45 days.
    Last Trade TimeText, HH:MM:SS.mmmThe time of the last trade on the BZX during regular trading hours within the last 45 days. Blank if no trade in the last 45 days.
    Closing NAVDecimal, 6 placesThe NAV as of the end of the day, as provided by a SIP processor or other source
    Last Trade to NAV ($Amt)Decimal, 6 placesThe Last Trade Price less the Closing NAV
    Last Trade to NAV ($Percent)Decimal, 6 placesThe Last Trade to NAV ($Amt) divided by the Closing NAV and multiplied by 100 to express the number as a percentage
    Bid/Offer Mid to NAV ($Amt)Decimal, 6 placesThe 4:15PM Bid/Offer Midpoint less the Closing NAV
    Bid/Offer Mid to NAV ($Percent)Decimal, 6 placesThe Bid/Offer Mid to NAV ($Amt) divided by the Closing NAV and multiplied by 100 to express the number as a percentage
    Total Consolidated VolumeIntegerThe total consolidated volume traded for the symbol
    4PM Consolidated Best BidDecimal, 2 placesThe price of the highest displayed bid quote across all exchanges at 16:00 ET.
    4PM Consolidated Best OfferDecimal, 2 placesThe price of the lowest displayed offer quote across all exchanges at 16:00 ET.
    4PM Consolidated Bid/Offer MidpointDecimal, 2 placesThe average of the 4PM Consolidated Best Bid and Offer.
    Median Bid-Ask SpreadPercentage, rounded to nearest hundredthThe median value of the National Best Bid and National Best Offer spread divided by the NBBO midpoint at the end of each 10 second interval during the trading day for the last 30 calendar days.
    4PM VIIVDecimal, 6 placesThe 4 p.m. Verified Intraday Indicative Value (VIIV) for Managed Portfolio Share ETPs.
Cboe End-of-Day ETP Key Values Specification - File Layout and Field Documentation | Cboe