Category Description
Price, size, time and exchange of last trade reports that occur at the prevailing bid or ask price.
Category Identification
| pNxCoreMessage->coreData.Category.pnxStringCategory->Atom | 27 |
| pNxCoreMessage->coreData.Category.pnxStringCategory->String | NxLastTrade |
Update Time and Frequency
| Approximate Time | Info |
|---|---|
| 00:00 AM | Information from previous session |
| 05:15 AM | Current session information |
Category Fields | 8
| Index | FieldName | FieldType | C Code | Info |
|---|---|---|---|---|
| 0 | AtBidTradePrice | NxCFT_PRICE | pnxFields[0].data.nxPrice | Price of last trade occurring at the Bid Price |
| 1 | AtAskTradePrice | NxCFT_PRICE | pnxFields[1].data.nxPrice | Price of last trade occurring at the Ask Price |
| 2 | AtBidTradeSize | NxCFT_32BIT | pnxFields[2].data.i32Bit | Size of trade |
| 3 | AtAskTradeSize | NxCFT_32BIT | pnxFields[3].data.i32Bit | Size of trade |
| 4 | AtBidTradeTime | NxCFT_TIME | pnxFields[4].data.nxTime | Exchange timestamp of trade |
| 5 | AtAskTradeTime | NxCFT_TIME | pnxFields[5].data.nxTime | Exchange timestamp of trade |
| 6 | AtBidTradeExg | NxCFT_STRING_IDX | pnxFields[6].data.stringTableItem | Exchange where trade executed, from table table_NxST_EXCHANGE.html |
| 7 | AtAskTradeExg | NxCFT_STRING_IDX | pnxFields[7].data.stringTableItem | Exchange where trade executed, from table table_NxST_EXCHANGE.html |
Code Sample from CategoryDumper project:
void onNxCoreCategory_27(const NxCoreMessage *pNxCoreMsg)
{
NxCategoryField *pField;
// Print the category num and the Symbol
PrintSymbol(pNxCoreMsg);
pField=&pNxCoreMsg->coreData.Category.pnxFields[0];
if (pField->Set)
printf("AtBidTradePrice: %0.4f \n",
pfNxCorePriceToDouble(pField->data.nxPrice.Price,
pField->data.nxPrice.PriceType));
pField=&pNxCoreMsg->coreData.Category.pnxFields[1];
if (pField->Set)
printf("AtAskTradePrice: %0.4f \n",
pfNxCorePriceToDouble(pField->data.nxPrice.Price,
pField->data.nxPrice.PriceType));
pField=&pNxCoreMsg->coreData.Category.pnxFields[2];
if (pField->Set)
printf("AtBidTradeSize: %d \n",pField->data.i32Bit);
pField=&pNxCoreMsg->coreData.Category.pnxFields[3];
if (pField->Set)
printf("AtAskTradeSize: %d \n",pField->data.i32Bit);
pField=&pNxCoreMsg->coreData.Category.pnxFields[4];
if (pField->Set)
printf("AtBidTradeTime: %02d:%02d:%02d \n",
pField->data.nxTime.Hour,
pField->data.nxTime.Minute,
pField->data.nxTime.Second);
pField=&pNxCoreMsg->coreData.Category.pnxFields[5];
if (pField->Set)
printf("AtAskTradeTime: %02d:%02d:%02d \n",
pField->data.nxTime.Hour,
pField->data.nxTime.Minute,
pField->data.nxTime.Second);
// See table_NxST_EXCHANGE.html for exchange codes
pField=&pNxCoreMsg->coreData.Category.pnxFields[6];
if (pField->Set)
printf("AtBidTradeExg: Table - %d Exchange - %d\n",
pField->data.stringTableItem.ixTable,
pField->data.stringTableItem.idString);
// See table_NxST_EXCHANGE.html for exchange codes
pField=&pNxCoreMsg->coreData.Category.pnxFields[7];
if (pField->Set)
printf("AtAskTradeExg: Table - %d Exchange - %d\n",
pField->data.stringTableItem.ixTable,
pField->data.stringTableItem.idString);
}