> For the complete documentation index, see [llms.txt](https://guide.ssi.com.vn/ssi-products/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guide.ssi.com.vn/ssi-products/fastconnect-data/streaming-data.md). # Streaming data FastConnect Data provides you realtime data through streaming. As soon as the client is connected, the system will send the update data if any changes. Update data includes:

Data type	Description	Note
F	Securities status	Refer details here.
X	Snapshot of latest best bid/ask and trade	Refer details here.
X-Quote	Best Bid/ask	HOSE supports 3 best prices. HNX, UPCOM and Derivatives supports 10 best prices. Refer details here.
X-Trade	Matched volume and price	Refer details here.
B	Realtime open, high, low, close, volume	Refer OHLCV
R	Foreign Room	Refer details here.
MI	Index data	Refer details here.

### Securities status Rtype F returns trading session and trading status of securities. {% tabs %} {% tab title="Input" %} F: \ **Note:** Securities are separated by "-". Input ALL to get status of all securities. **Example:** F: SSI or F:SSI-PAN or F:ALL {% endtab %} {% tab title="Output" %}

Field	Type	Description
Rtype	string	Value = F
MarketID	string	Exchange ID, includes: HOSE\|HNX\|HNXBOND\|UPCOM\|DER
TradingDate	Date	Trading date in ddmmyyy format
Time	Time	Time in format HHMMSS
Symbol	String	Securities symbol
TradingSession	String	Phiên giao dịch
TradingStatus	String	Trạng thái giao dịch

{% endtab %} {% endtabs %} **Sample** ```json Input: F: SSI Output: {"DataType":"F", "Content":"{ \"RType\":\"F\", \"MarketId\":\"HOSE\", \"TradingDate\":\"14/08/2023\", \"Time\":\"13:00:00\", \"Symbol\":\"SSI\", \"TradingSession\":\"LO\", \"TradingStatus\":\"N\", \"Exchange\":\"HOSE\"}" } ``` ### Quote RType X-Quote provides best bid/ask. * For HOSE, 3 best bid/ask prices are provided. * For HNX, UPCOM, DER, 10 best bid/ask prices are provided. {% tabs %} {% tab title="Input" %} X-Quote: \ or ALL **Note**: Securities list including symbols separated by "-" ALL: All securities {% endtab %} {% tab title="Output" %}

Field	Type	Description
Rtype	string	Value = X-QUOTE
TradingDate	Date	Format DD/MM/YYYY
Time	Time	Format HH:MM:SS
Symbol	string
BidPrice1	number
BidVol1	number
BidPrice2	number
BidVol2	number
BidPrice3	number
BidVol3	number
BidPrice4	number
BidVol4	number
BidPrice5	number
BidVol5	number
BidPrice6	number
BidVol6	number
BidPrice7	number
BidVol7	number
BidPrice8	number
BidVol8	number
BidPrice9	number
BidVol9	number
BidPrice10	number
BidVol10	number
AskPrice1	number
AskVol1	number
AskPrice2	number
AskVol2	number
AskPrice3	number
AskVol3	number
AskPrice4	number
AskVol4	number
AskPrice5	number
AskVol5	number
AskPrice6	number
AskVol6	number
AskPrice7	number
AskVol7	number
AskPrice8	number
AskVol8	number
AskPrice9	number
AskVol9	number
AskPrice10	number	10th best ask price
AskVol10	number	10th best ask vol
MarketID	string	Market
Exchange	string	Exchange
TradingSession	string	Phiên giao dịch
TradingStatus	string	Trạng thái giao dịch

{% endtab %} {% endtabs %} **Sample** ```json Input: X-QUOTE: ACB Output: {"DataType":"X-QUOTE", "Content":"{ \"TradingDate\":\"14/08/2023\", \"Time\":\"14:00:28\", \"Exchange\":\"HOSE\", \"Symbol\":\"ACB\", \"RType\":\"X-QUOTE\", \"AskPrice1\":22950.0, \"AskPrice2\":23000.0, \"AskPrice3\":23050.0, \"AskPrice4\":0.0, \"AskPrice5\":0.0, \"AskPrice6\":0.0, \"AskPrice7\":0.0, \"AskPrice8\":0.0, \"AskPrice9\":0.0, \"AskPrice10\":0.0, \"AskVol1\":109100.0, \"AskVol2\":208600.0, \"AskVol3\":207200.0, \"AskVol4\":0.0, \"AskVol5\":0.0, \"AskVol6\":0.0, \"AskVol7\":0.0, \"AskVol8\":0.0, \"AskVol9\":0.0, \"AskVol10\":0.0, \"BidPrice1\":22900.0, \"BidPrice2\":22850.0, \"BidPrice3\":22800.0, \"BidPrice4\":0.0, \"BidPrice5\":0.0, \"BidPrice6\":0.0, \"BidPrice7\":0.0, \"BidPrice8\":0.0, \"BidPrice9\":0.0, \"BidPrice10\":0.0, \"BidVol1\":290900.0, \"BidVol2\":454200.0, \"BidVol3\":678800.0, \"BidVol4\":0.0, \"BidVol5\":0.0, \"BidVol6\":0.0, \"BidVol7\":0.0, \"BidVol8\":0.0, \"BidVol9\":0.0, \"BidVol10\":0.0, \"TradingSession\":\"LO\"}"} ``` ### Trade {% tabs %} {% tab title="Input" %} X-TRADE: \ or ALL **Note:** Securities list including symbols separated by "-" ALL: All securities {% endtab %} {% tab title="Output" %}

Field	Data	Description
Rtype	string	Value = X-TRADE
TradingDate	Date	In DD/MM/YYYY format
Time	Time	In HH:MM:SS format
ISIN	string	ISIN
Symbol	string	Symbol
Ceiling	number
Floor	number
RefPrice	number
Highest	number
Lowest	number
AvgPrice	number
PriorVal	number
LastPrice	number
Change	number
RatioChange	number
EstMatchedPrice	number	Estimated matched price in ATO/ATC
LastVol	number	Lats matched vol
TotalVal	number	Total matched value
TotalVol	number	Total matched vol
MarketID	string
Exchange	string
TradingSession	string	Phiên giao dịch
TradingStatus	string	Trạng thái giao dịch
Side	string	Buy up/ Sell down BU: Buy up SD: Sell down Unknow

{% endtab %} {% endtabs %} **Sample:** ```json Input: X-TRADE: ACB Output: {"DataType":"X-TRADE", "Content":"{ \"RType\":\"X-TRADE\", \"TradingDate\":\"14/08/2023\", \"Time\":\"14:07:53\", \"Isin\":\"ACB\", \"Symbol\":\"ACB\", \"Ceiling\":24500.0, \"Floor\":21300.0, \"RefPrice\":22900.0, \"AvgPrice\":22927.93, \"PriorVal\":22900.0, \"LastPrice\":22950.0, \"LastVol\":100.0, \"TotalVal\":201713015000.0, \"TotalVol\":8797700.0, \"MarketId\":\"HOSE\", \"Exchange\":\"HOSE\", \"TradingSession\":\"LO\", \"TradingStatus\":\"N\", \"Change\":50.0, \"RatioChange\":0.22, \"EstMatchedPrice\":22900.0, \"Highest\":23050, \"Lowest\":22800, \"Side\":\"SD\", }"} ``` ### Securities snapshot {% tabs %} {% tab title="Input" %} X: \ or ALL {% endtab %} {% tab title="Output" %}

Field	Type	Description
Rtype	string	Value = X
TradingDate	Date	Trading date in DD/MM/YYYY format
Time	Time	Time in HH:MM:SS
ISIN	string	ISIN
Symbol	string
Ceiling	number
Floor	number
RefPrice	number
Open	number
Close	number
High	number
Low	number
Avg	number
PriorVal	number
LastPrice	number	Last matched price
Change	number
RatioChange	number
EstMatchedPrice	number	Estimated matched price during ATO/ATC
LastVol	number	Last matched vol
TotalVal	number	Total matched value
TotalVol	number	Total matched vol
BidPrice1	number
BidVol1	number
BidPrice2	number
BidVol2	number
BidPrice3	number
BidVol3	number
BidPrice4	number
BidVol4	number
BidPrice5	number
BidVol5	number
BidPrice6	number
BidVol6	number
BidPrice7	number
BidVol7	number
BidPrice8	number
BidVol8	number
BidPrice9	number
BidVol9	number
BidPrice10	number
BidVol10	number
AskPrice1	number
AskVol1	number
AskPrice2	number
AskVol2	number
AskPrice3	number
AskVol3	number
AskPrice4	number
AskVol4	number
AskPrice5	number
AskVol5	number
AskPrice6	number
AskVol6	number
AskPrice7	number
AskVol7	number
AskPrice8	number
AskVol8	number
AskPrice9	number
AskVol9	number
AskPrice10	number
AskVol10	number
MarketID	string	Sàn giao dịch
Exchange	string	Sàn giao dịch
TradingSession	string	Phiên giao dịch
TradingStatus	string	Trạng thái giao dịch

{% endtab %} {% endtabs %} **Sample** ```json Input: X: ALL Output: {"DataType":"X", "Content":"{ \"RType\":\"X\", \"TradingDate\":\"15/08/2023\", \"Time\":\"10:28:41\", \"Isin\":\"TAR\", \"Symbol\":\"TAR\", \"Ceiling\":23400.0, \"Floor\":19200.0, \"RefPrice\":21300.0, \"Open\":21300.0, \"High\":22300.0, \"Low\":21300.0, \"Close\":21800.0, \"AvgPrice\":21784.0, \"PriorVal\":21300.0, \"LastPrice\":21800.0, \"LastVol\":100.0, \"TotalVal\":27946100000.0, \"TotalVol\":1282900.0, \"BidPrice1\":21800.0, \"BidPrice2\":21700.0, \"BidPrice3\":21600.0, \"BidPrice4\":21500.0, \"BidPrice5\":21400.0, \"BidPrice6\":21300.0, \"BidPrice7\":21200.0, \"BidPrice8\":21100.0, \"BidPrice9\":21000.0, \"BidPrice10\":20900.0, \"BidVol1\":18800.0, \"BidVol2\":35300.0, \"BidVol3\":93600.0, \"BidVol4\":60000.0, \"BidVol5\":45800.0, \"BidVol6\":94500.0, \"BidVol7\":42900.0, \"BidVol8\":48400.0, \"BidVol9\":165900.0, \"BidVol10\":26100.0, \"AskPrice1\":21900.0, \"AskPrice2\":22000.0, \"AskPrice3\":22100.0, \"AskPrice4\":22200.0, \"AskPrice5\":22300.0, \"AskPrice6\":22400.0, \"AskPrice7\":22500.0, \"AskPrice8\":22600.0, \"AskPrice9\":22700.0, \"AskPrice10\":22800.0, \"AskVol1\":50300.0, \"AskVol2\":109800.0, \"AskVol3\":58500.0, \"AskVol4\":152600.0, \"AskVol5\":92200.0, \"AskVol6\":129800.0, \"AskVol7\":178700.0, \"AskVol8\":60100.0, \"AskVol9\":29400.0, \"AskVol10\":17000.0, \"MarketId\":\"HNX\", \"Exchange\":\"HNX\", \"TradingSession\":\"LO\", \"TradingStatus\":\"N\", \"Change\":500.0, \"RatioChange\":2.35, \"EstMatchedPrice\":0.0}"} ``` ### Foreign room {% tabs %} {% tab title="Input" %} R:\ **Note:** Securities in the list are separated by "-". Input R to get room of all securities. **Example:** R:SSI or R:SSI-PAN or R:ALL {% endtab %} {% tab title="Output" %}

Field	Type	Description
Rtype	string	Value = R
TradingDate	Date	Trading date in dd/mm/yyyy format
Time	Time	Time in HH:MM:SS format
ISIN	string	ISIN
Symbol	string
TotalRoom	number
CurrentRoom	number	Current room
FBuyVol	number	Total matched buy vol of foreign customers
FSellVol	number	Total matched sell vol of foreign customers
FBuyVal	number	Total matched buy value of foreign customers. For HOSE, the value is approximately calculated by BuyVal = BuyVol * LastPrice
FSellVal	number	Total matched sell value of foreign customers. For HOSE, the value is approximately calculated by SellVal = SellVol * LastPrice

{% endtab %} {% endtabs %} **Sample** ```json R:SSI Output: {"DataType":"R", "Content":"{ \"RType\":\"R\", \"TradingDate\":\"14/08/2023\", \"Time\":\"14:24:02\", \"Isin\":\"SSI\", \"Symbol\":\"SSI\", \"TotalRoom\":1501130137.0, \"CurrentRoom\":806887173.0, \"BuyVol\":863352.0, \"SellVol\":825308.0, \"BuyVal\":25123543200.0, \"SellVal\":24016462800.0, \"MarketId\":\"HOSE\", \"Exchange\":\"HOSE\"}" } ``` ### Index Rtype MI provides realtime update index values of HOSE, HNX, UPCOM. {% tabs %} {% tab title="Input" %} MI:\ **Note:** Indexes in the list are separated by "-". Input ALL to get update of all indexes. **Example:** MI:VN30 or MI:VN30-HNXindex or MI:ALL {% endtab %} {% tab title="Output" %}

Field	Type	Description
Rtype	String	Value = MI
IndexID	String	Index ID
IndexValEst	Number	Estimated Index value during ATO/ATC
IndexValue	Number	Index value
Trading Date	Date
Time	Timestamp
Change	Number
RatioChange	Number
TotalTrade	Number	Total trade including normal and putthrough transactions
TotalQtty	Number	Total matched quantity
TotalValue	Number	Total matched value
TypeIndex	String	Index: “Main” – main index like VN30 “Industry” – Industrial indexes “Khác” – Others
IndexName	String	Index name
Advances	Number	Total number of securities with price increase
Nochanges	Number	Total number of securities with price unchanged.
Declines	Number	Total number of securities with price decrease
Ceiling	Number	Total number of securities with last price = ceiling
Floor	Number	Total number of securities with last price = floor
TotalQttyPT	Number	Total matched quantity by putthrough
TotalValuePT	Number	Total matched value by putthrough
TotalQttyOd	Number	Total matched quantity by odd lot orders
TotalValueOd	Number	Total matched value by odd lot orders
AllQty	Number	Total matched quantity including normal and putthrough orders
AllValue	Number	Total matched value including normal and putthrough orders
TradingSession	String	Phiên giao dịch
Exchange	String	Sàn giao dịch

{% endtab %} {% endtabs %} **Sample:** ```json Input: MI:VN30 Output: {'DataType': 'MI', 'Content': { "IndexId":"VN30", “IndexValEst”:1200.03, "IndexValue":1238.76, "PriorIndexValue":1226.16, "TradingDate":"02/04/2021", "Time":"11:28:13", "TotalTrade":0.0, "TotalQtty":191838100.0, "TotalValue":7289093000000.0, "IndexName":"VN30", "Advances":25, "NoChanges":2, "Declines":3,"Ceilings":0, "Floors":0,"Change":12.6, "RatioChange":1.03, "TotalQttyPt":2064000.0, "TotalValuePt":244251000000.0, "Exchange":"HOSE", "AllQty":193902100.0, "AllValue":7533344000000.0, "IndexType":"Main", "TradingSession":null, "MarketId":null, "RType":"MI", "TotalQttyOd":0.0, "TotalValueOd":0.0}' } ``` ### OHLCV Rtype B returns open, high, low, close, volume of securities/indexes by tick. {% tabs %} {% tab title="Input" %} B:\ **Note:** Securities/Indexes are separated by "-". Input ALL to get realtime OHLCV realtime of all symbols/indexes. **Example:** B:SSI; B:SSI-VN30 or B:ALL {% endtab %} {% tab title="Output" %}

Field	Type	Description
Rtype	String	Value = B
Time	Timestamp	Including date and time
Symbol	String	Securities symbol/index
Open	Number
High	Number
Low	Number
Close	Number
Volume	Number	Last matched volume
Value	Number	Last matched value. Not used yet, temporarily set to 0.

{% endtab %} {% endtabs %} **Sample:** ```json Input: B:X26 Output: {‘Datatype’: 'B', ‘Content’: '{ "RType":"B", "Symbol":"X26", "TradingTime":"14:28:33", "Open":16000, "High":16000, "Low":16000, "Close":16000, "Volume":5000, "Value":0}' } ``` ### Odlot message Rtype OL: return odlot message including open, high, low, close, volume .. of stocks {% tabs %} {% tab title="Input" %} **OL:All** : return odlot data of all stocks in 3 exchange HOSE, HNX, UPCOM **OL:\**: return registered stock odlot data **Note:** Securitiesare separated by "-". Input ALL to get realtime Odlot data realtime of all symbols **Example:** B:SSI; B:SSI-VND hoặc B:ALL {% endtab %} {% tab title="Output" %}

Tên trường	Kiểu dữ liệu	Mô tả
Rtype	String	Value OL
TradingDate	String	Trading date in format dd/MM/yyyy
Time	Timestamp	Time in format HH24:MI:SS
StockNo	Number	Stock Number
Symbol	String	Stock symbol
Ceiling	Number	Ceilling price
Floor	Number	Floor price
RefPrice	Number	Reference price
Open	Number	Open
High	Number	High
Low	Number	Low
LastPrice	Number	Last matched price
LastVol	Number	Last matched volume
TotalVal	Number	Total value including normal and odlot value
TotalVol	Number	Total volume including normal and odlot volume
BidPrice1	Number	Bid price 1
BidPrice2	Number	Bid price 2
BidPrice3	Number	Bid price 3
BidVol1	Number	Bid volume 1
BidVol2	Number	Bid volume 2
BidVol3	Number	Bid volume 3
AskPrice1	Number	Ask price 1
AskPrice2	Number	Ask price 2
AskPrice3	Number	Ask price 3
AskVol1	Number	Ask volume 1
AskVol2	Number	Ask volume 2
AskVol3	Number	Ask volume 3
Exchange	String	Exchange (HOSE/HNX/UPCOM)
TradingSession	String	Trading session (LO/ATO/ATC/CLOSE/Break)
TradingStatus	String	Stock status N/H (Normal/Halt)
Change	Number	Change in price compared to the reference price
RatioChange	Number	Percentage change in price compared to the reference price
StockType	String	Stock type (Stock / Bond/ ETF...)

{% endtab %} {% endtabs %} **Sample:** ```json Input: OL:MBB Output: { "DataType": "OL", "Content": { "RType": "OL", "TradingDate": "18/02/2025", "Time": "13:55:03", "StockNo": 2027, "Symbol": "MBB", "Ceiling": 24200, "Floor": 21100, "RefPrice": 22650, "Open": 22650, "High": 22950, "Low": 22600, "LastPrice": 22750, "LastVol": 9193, "TotalVal": 185028289999.99728, "TotalVol": 8135000, "BidPrice1": 22700, "BidPrice2": 22650, "BidPrice3": 22600, "BidVol1": 1108, "BidVol2": 1630, "BidVol3": 2016, "AskPrice1": 22750, "AskPrice2": 22800, "AskPrice3": 22850, "AskVol1": 132, "AskVol2": 548, "AskVol3": 297, "Exchange": "HOSE", "TradingSession": "LO", "TradingStatus": "H", "Change": 100, "RatioChange": 0.44, "StockType": "Stock" } } ```