# National Stock Exchange of India - Equities Schemas The NSE is India’s largest stock exchange offering trading in Indian company stocks and equity products. ## NSE_CASH Database includes the following tick types: * DAY - Daily price and statistical data, e.g. closing price, settlement price, open interest * IDX - Index values * PRL_FULL - Full orderbook data, showing updates to each individual order (MBO) * QTE - Best bid / offer quotes * TRD - Trades ### NSE_CASH - DAY Daily price and statistical data, e.g. closing price, settlement price, open interest #### NSE_CASH - DAY Table Schema | Field | Data Type | Description | |---------------|-------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | SYMBOL_NAME | string | Symbol Name (Exchange Symbol for Equities & ETFs, and Starting with Exchange Product Code for Derivative Markets followed by expiry and strike as appropriate) | | TIMESTAMP | nsectime | Event Timestamp (typically at a nano-second resolution) | | UPDATE_TYPE | string[16] | Type of update | | OPEN | double | Open price for the current trading day | | HIGH | double | DAY: High price for the current trading day TRD_1M: Price of the highest-priced eligible trade in the current bar interval | | LOW | double | DAY: Low price for the current trading day. TRD_1M: Price of the lowest-priced eligible trade in the current bar interval | | CLOSE | double | Closing price | | VOLUME | double | DAY: Total volume traded on the current trading day TRD_1M, VWAP_1H: Total volume of eligible trades in the current bar interval | | SETTLE_PRICE | double | Settlement price | | SETTLE_DATE | string[8] | Trading date to which the settlement price relates (YYYYMMDD) | | OPEN_INT | double | Open interest for futures / options | | OPEN_INT_DATE | string[8] | Trading date to which the open interest relates (YYYYMMDD) | | OMDSEQ | uint | Sequence number allowing ticks of different types at the same timestamp to be sorted into the correct chronological order. e.g. if a trade and a quote have the same timestamp, the one with the lower value of OMDSEQ arrived first. | ### NSE_CASH - IDX Index values #### NSE_CASH - IDX Table Schema | Field | Data Type | Description | |-------------|-------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | SYMBOL_NAME | string | Symbol Name (Exchange Symbol for Equities & ETFs, and Starting with Exchange Product Code for Derivative Markets followed by expiry and strike as appropriate) | | TIMESTAMP | nsectime | Event Timestamp (typically at a nano-second resolution) | | EXCH_TIME | nsectime | Event timestamp, as provided by the exchange. For electronic trading this refers to the matching engine timestamp | | PRICE | double | TRD: Trade price, IDX: Index value, IND: Indicative price, PRL: Price point to which the depth entry relates, PRL_FULL: Order price, FIXING: Fixing price, RFC: Price associated with a Request for Cross | | OMDSEQ | uint | Sequence number allowing ticks of different types at the same timestamp to be sorted into the correct chronological order. e.g. if a trade and a quote have the same timestamp, the one with the lower value of OMDSEQ arrived first. | ### NSE_CASH - PRL_FULL Full orderbook data, showing updates to each individual order (MBO) #### NSE_CASH - PRL_FULL Table Schema | Field | Data Type | Description | |---------------|-------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | SYMBOL_NAME | string | Symbol Name (Exchange Symbol for Equities & ETFs, and Starting with Exchange Product Code for Derivative Markets followed by expiry and strike as appropriate) | | TIMESTAMP | nsectime | Event Timestamp (typically at a nano-second resolution) | | EXCH_TIME | nsectime | Event timestamp, as provided by the exchange. For electronic trading this refers to the matching engine timestamp | | UPDATE_TYPE | string[1] | Type of update | | ORDER_TYPE | string[1] | Type of order. | | ORDER_ID | string[20] | Order identifier, uniquely identifying an order at any given point in time. Uniqueness depends on the exchange - e.g. may be globally unique, or unique per trading day, or per instrument per trading day. | | BUY_SELL_FLAG | int | Orderbook side (0 - Buy, 1 - Sell) | | PRICE | double | TRD: Trade price, IDX: Index value, IND: Indicative price, PRL: Price point to which the depth entry relates, PRL_FULL: Order price, FIXING: Fixing price, RFC: Price associated with a Request for Cross | | SIZE | long | TRD: Trade size, IND: Indicative size, PRL: Size at the relevant price point, PRL_FULL: Order size, RFQ: Size associated with a Request for Quote, RFC: Size associated with a Request for Cross | | TIME_PRIORITY | long | Time priority of an order in the order queue. If two standard orders on the same side have the same price, the one with the lower value of TIME_PRIORITY will be executed first. | | TRADE_ID | string[20] | Trade identifier, generally the ID assigned by the matching engine | | FILL_SIZE | long | Size filled in an order execution event | | OLD_PRICE | double | Previous price of an order | | OLD_SIZE | long | Previous size of an order | | RECORD_TYPE | string[1] | Type of depth update. | | TICK_STATUS | int | Internal OneTick field. Always 0 unless hidden ticks are requested (e.g. SHOW_HIDDEN_TICKS). | | DELETED_TIME | nsectime | Internal OneTick field. Usually null unless hidden ticks are requested (e.g. SHOW_HIDDEN_TICKS). | | OMDSEQ | uint | Sequence number allowing ticks of different types at the same timestamp to be sorted into the correct chronological order. e.g. if a trade and a quote have the same timestamp, the one with the lower value of OMDSEQ arrived first. | ### NSE_CASH - QTE Best bid / offer quotes #### NSE_CASH - QTE Table Schema | Field | Data Type | Description | |----------------|-------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | SYMBOL_NAME | string | Symbol Name (Exchange Symbol for Equities & ETFs, and Starting with Exchange Product Code for Derivative Markets followed by expiry and strike as appropriate) | | TIMESTAMP | nsectime | Event Timestamp (typically at a nano-second resolution) | | EXCH_TIME | nsectime | Event timestamp, as provided by the exchange. For electronic trading this refers to the matching engine timestamp | | BID_PRICE | double | Best bid price. A null value is used if the bid side is empty, or if the best bid is set by unpriced orders (e.g. market orders) | | BID_SIZE | long | Best bid size | | BID_NUM_ORDERS | int | Number of orders at the best bid price | | ASK_PRICE | double | Best ask price. A null value is used if the ask side is empty, or if the best ask is set by unpriced orders (e.g. market orders) | | ASK_SIZE | long | Best ask size | | ASK_NUM_ORDERS | int | Number of orders at the best ask price | | OMDSEQ | uint | Sequence number allowing ticks of different types at the same timestamp to be sorted into the correct chronological order. e.g. if a trade and a quote have the same timestamp, the one with the lower value of OMDSEQ arrived first. | ### NSE_CASH - TRD Trades #### NSE_CASH - TRD Table Schema | Field | Data Type | Description | |----------------|-------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | SYMBOL_NAME | string | Symbol Name (Exchange Symbol for Equities & ETFs, and Starting with Exchange Product Code for Derivative Markets followed by expiry and strike as appropriate) | | TIMESTAMP | nsectime | Event Timestamp (typically at a nano-second resolution) | | EXCH_TIME | nsectime | Event timestamp, as provided by the exchange. For electronic trading this refers to the matching engine timestamp | | PRICE | double | TRD: Trade price, IDX: Index value, IND: Indicative price, PRL: Price point to which the depth entry relates, PRL_FULL: Order price, FIXING: Fixing price, RFC: Price associated with a Request for Cross | | SIZE | int | TRD: Trade size, IND: Indicative size, PRL: Size at the relevant price point, PRL_FULL: Order size, RFQ: Size associated with a Request for Quote, RFC: Size associated with a Request for Cross | | AGGRESSOR_SIDE | string[1] | Indicates whether a trade resulted from an incoming buy or sell order. | | TRADE_TYPE | string[5] | Type of trade | | TRADE_PERIOD | string[1] | Market period during which a trade was executed. | | BOOK_TYPE | string[1] | Type of order book or trading mechanism through which a trade was executed. | | TRADE_ID | string[20] | Trade identifier, generally the ID assigned by the matching engine | | BUY_ORDER_ID | string[20] | ID of the buy order involved in a trade | | SELL_ORDER_ID | string[20] | ID of the sell order involved in a trade | | OMDSEQ | uint | Sequence number allowing ticks of different types at the same timestamp to be sorted into the correct chronological order. e.g. if a trade and a quote have the same timestamp, the one with the lower value of OMDSEQ arrived first. | | DELETED_TIME | nsectime | Internal OneTick field. Usually null unless hidden ticks are requested (e.g. SHOW_HIDDEN_TICKS). | | TICK_STATUS | byte | Internal OneTick field. Always 0 unless hidden ticks are requested (e.g. SHOW_HIDDEN_TICKS). | ## NSE_CASH_BARS Database includes the following tick types: * DAY - Daily price and statistical data, e.g. closing price, settlement price, open interest * QTE_1M - 1-minute quote bars * TRD_1D - Daily trade bars * TRD_1M - 1-minute trade bars * VWAP_1H - 1-hour VWAP bars ### NSE_CASH_BARS - DAY Daily price and statistical data, e.g. closing price, settlement price, open interest #### NSE_CASH_BARS - DAY Table Schema | Field | Data Type | Description | |---------------|-------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | SYMBOL_NAME | string | Symbol Name (Exchange Symbol for Equities & ETFs, and Starting with Exchange Product Code for Derivative Markets followed by expiry and strike as appropriate) | | TIMESTAMP | nsectime | Event Timestamp (typically at a nano-second resolution) | | UPDATE_TYPE | string[16] | Type of update | | OPEN | double | Open price for the current trading day | | HIGH | double | DAY: High price for the current trading day TRD_1M: Price of the highest-priced eligible trade in the current bar interval | | LOW | double | DAY: Low price for the current trading day. TRD_1M: Price of the lowest-priced eligible trade in the current bar interval | | CLOSE | double | Closing price | | VOLUME | double | DAY: Total volume traded on the current trading day TRD_1M, VWAP_1H: Total volume of eligible trades in the current bar interval | | SETTLE_PRICE | double | Settlement price | | SETTLE_DATE | string[8] | Trading date to which the settlement price relates (YYYYMMDD) | | OPEN_INT | double | Open interest for futures / options | | OPEN_INT_DATE | string[8] | Trading date to which the open interest relates (YYYYMMDD) | | OMDSEQ | uint | Sequence number allowing ticks of different types at the same timestamp to be sorted into the correct chronological order. e.g. if a trade and a quote have the same timestamp, the one with the lower value of OMDSEQ arrived first. | ### NSE_CASH_BARS - QTE_1M 1-minute quote bars #### NSE_CASH_BARS - QTE_1M Table Schema | Field | Data Type | Description | |-----------------------|-------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | SYMBOL_NAME | string | Symbol Name (Exchange Symbol for Equities & ETFs, and Starting with Exchange Product Code for Derivative Markets followed by expiry and strike as appropriate) | | TIMESTAMP | nsectime | Event Timestamp (typically at a nano-second resolution) | | FIRST_BID_TIME | nsectime | Time of the first best bid update in the current bar interval | | FIRST_BID_PRICE | double | Price of the first best bid update in the current bar interval | | FIRST_BID_SIZE | long | Size of the first best bid update in the current bar interval | | FIRST_ASK_TIME | nsectime | Time of the first best ask update in the current bar interval | | FIRST_ASK_PRICE | double | Price of the first best ask update in the current bar interval | | FIRST_ASK_SIZE | long | Size of the first best ask update in the current bar interval | | HIGH_BID_TIME | nsectime | Time of the bid quote that set HIGH_BID. If there are multiple quotes at that price, the first one is used. | | HIGH_BID | double | Highest bid price in the current bar interval | | HIGH_BID_SIZE | long | Size of the bid quote that set HIGH_BID. If there are multiple quotes at that price, the first one is used. | | ASK_PRICE_AT_HIGH_BID | double | Ask price of the quote that set HIGH_BID. If there are multiple bid quotes at HIGH_BID, the first one is used. | | ASK_SIZE_AT_HIGH_BID | long | Ask size of the quote that set HIGH_BID. If there are multiple bid quotes at HIGH_BID, the first one is used. | | LOW_ASK_TIME | nsectime | Time of the bid quote that set LOW_ASK. If there are multiple quotes at that price, the first one is used. | | LOW_ASK | double | Lowest ask price in the current bar interval | | LOW_ASK_SIZE | long | Size of the ask quote that set LOW_ASK. If there are multiple quotes at that price, the first one is used. | | BID_PRICE_AT_LOW_ASK | double | Bid price of the quote that set LOW_ASK. If there are multiple ask quotes at LOW_ASK, the first one is used. | | BID_SIZE_LOW_ASK | long | Bid size of the quote that set LOW_ASK. If there are multiple ask quotes at LOW_ASK, the first one is used. | | LAST_BID_TIME | nsectime | Time of the last best bid update in the current bar interval | | LAST_BID_PRICE | double | Price of the last best bid update in the current bar interval | | LAST_BID_SIZE | long | Size of the last best bid update in the current bar interval | | LAST_ASK_TIME | nsectime | Time of the last best ask update in the current bar interval | | LAST_ASK_PRICE | double | Price of the last best ask update in the current bar interval | | LAST_ASK_SIZE | long | Size of the last best ask update in the current bar interval | | MID_TWAP | double | Time-weighted average of the midpoint of the best bid/ask over the current bar interval. [Note: One-sided or empty quotes are excluded from the calculation] | | MID_MEDIAN | double | Median of the midpoint of the best bid/ask quotes over the current bar interval. [Note: One-sided or empty quotes are excluded from the calculation] | | MID_LAST | double | Midpoint of the last best bid/ask in the current bar interval. [Note: One-sided or empty quotes are excluded from the calculation] | | SPREAD_MIN | double | Narrowest bid/ask spread, i.e. the lowest value of (best ask price - best bid price) over the current bar interval. [Note: May be zero or negative if the book was locked/crossed. One-sided or empty quotes are excluded from the calculation] | | SPREAD_MAX | double | Widest bid/ask spread, i.e. the highest value of (best ask price - best bid price) over the current bar interval. [Note: May be zero or negative if the book was locked/crossed. One-sided or empty quotes are excluded from the calculation] | | SPREAD_TWAP | double | Time-weighted average of (best ask price - best bid price) over the current bar interval. [Note: May be zero or negative if the book was locked/crossed. One-sided or empty quotes are excluded from the calculation] | | SPREAD_MEDIAN | double | Median value of (best ask price - best bid price) over the current bar interval. [Note: May be zero or negative if the book was locked/crossed. One-sided or empty quotes are excluded from the calculation] | | SPREAD_LAST | double | Last value of (best ask price - best bid price) over the current bar interval. [Note: May be zero or negative if the book was locked/crossed. One-sided or empty quotes are excluded from the calculation] | | QUOTE_CURRENCY | string[3] | Currency in which a quote price is expressed. | | QUOTE_TICK_COUNT | long | Number of BBO quotes in the current bar interval | | CLOUD_DB | string[32] | In composite DBs: Identifies the source database for each tick. In bars DBs: Identifies the database containing the tick data used to calculate the bars. | | OMDSEQ | uint | Sequence number allowing ticks of different types at the same timestamp to be sorted into the correct chronological order. e.g. if a trade and a quote have the same timestamp, the one with the lower value of OMDSEQ arrived first. | ### NSE_CASH_BARS - TRD_1D Daily trade bars #### NSE_CASH_BARS - TRD_1D Table Schema | Field | Data Type | Description | |------------------|-------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | SYMBOL_NAME | string | Symbol Name (Exchange Symbol for Equities & ETFs, and Starting with Exchange Product Code for Derivative Markets followed by expiry and strike as appropriate) | | TIMESTAMP | nsectime | Event Timestamp (typically at a nano-second resolution) | | FIRST_TIME | nsectime | Timestamp of the first eligible trade in the current bar interval | | FIRST | double | Price of the first eligible trade in the current bar interval | | FIRST_SIZE | long | Size of the first eligible trade in the current bar interval | | HIGH_TIME | nsectime | Timestamp of the highest-priced eligible trade in the current bar interval. If there are multiple eligible trades at that price, the first one is used. | | HIGH | double | DAY: High price for the current trading day TRD_1M: Price of the highest-priced eligible trade in the current bar interval | | HIGH_SIZE | long | Size of the highest-priced eligible trade in the current bar interval. If there are multiple eligible trades at that price, the first one is used. | | LOW_TIME | nsectime | Timestamp of the lowest-priced eligible trade in the current bar interval. If there are multiple eligible trades at that price, the first one is used. | | LOW | double | DAY: Low price for the current trading day. TRD_1M: Price of the lowest-priced eligible trade in the current bar interval | | LOW_SIZE | long | Size of the lowest-priced eligible trade in the current bar interval. If there are multiple eligible trades at that price, the first one is used. | | LAST_TIME | nsectime | Timestamp of the last eligible trade in the current bar interval | | LAST | double | Price of the last eligible trade in the current bar interval | | LAST_SIZE | long | Size of the last eligible trade in the current bar interval | | VWAP | double | Volume-weighted average price | | TWAP | double | TIme-weighted average price | | VOLUME | long | DAY: Total volume traded on the current trading day TRD_1M, VWAP_1H: Total volume of eligible trades in the current bar interval | | BUY_VOLUME | long | Traded volume originating from incoming buy orders. Excludes trades involving hidden orders, as well as off-book trades and auction trades, for the which the side of the aggressive order is undefined or unknown. | | SELL_VOLUME | long | Traded volume originating from incoming sell orders. Excludes trades involving hidden orders, as well as off-book trades and auction trades, for the which the side of the aggressive order is undefined or unknown. | | TRADE_CURRENCY | string[3] | Currency in which a trade was executed. | | TRADE_TICK_COUNT | long | Number of eligible trades in the current bar interval | | CLOUD_DB | string[32] | In composite DBs: Identifies the source database for each tick. In bars DBs: Identifies the database containing the tick data used to calculate the bars. | | OMDSEQ | uint | Sequence number allowing ticks of different types at the same timestamp to be sorted into the correct chronological order. e.g. if a trade and a quote have the same timestamp, the one with the lower value of OMDSEQ arrived first. | ### NSE_CASH_BARS - TRD_1M 1-minute trade bars #### NSE_CASH_BARS - TRD_1M Table Schema | Field | Data Type | Description | |------------------|-------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | SYMBOL_NAME | string | Symbol Name (Exchange Symbol for Equities & ETFs, and Starting with Exchange Product Code for Derivative Markets followed by expiry and strike as appropriate) | | TIMESTAMP | nsectime | Event Timestamp (typically at a nano-second resolution) | | FIRST_TIME | nsectime | Timestamp of the first eligible trade in the current bar interval | | FIRST | double | Price of the first eligible trade in the current bar interval | | FIRST_SIZE | long | Size of the first eligible trade in the current bar interval | | HIGH_TIME | nsectime | Timestamp of the highest-priced eligible trade in the current bar interval. If there are multiple eligible trades at that price, the first one is used. | | HIGH | double | DAY: High price for the current trading day TRD_1M: Price of the highest-priced eligible trade in the current bar interval | | HIGH_SIZE | long | Size of the highest-priced eligible trade in the current bar interval. If there are multiple eligible trades at that price, the first one is used. | | LOW_TIME | nsectime | Timestamp of the lowest-priced eligible trade in the current bar interval. If there are multiple eligible trades at that price, the first one is used. | | LOW | double | DAY: Low price for the current trading day. TRD_1M: Price of the lowest-priced eligible trade in the current bar interval | | LOW_SIZE | long | Size of the lowest-priced eligible trade in the current bar interval. If there are multiple eligible trades at that price, the first one is used. | | LAST_TIME | nsectime | Timestamp of the last eligible trade in the current bar interval | | LAST | double | Price of the last eligible trade in the current bar interval | | LAST_SIZE | long | Size of the last eligible trade in the current bar interval | | VWAP | double | Volume-weighted average price | | TWAP | double | TIme-weighted average price | | VOLUME | long | DAY: Total volume traded on the current trading day TRD_1M, VWAP_1H: Total volume of eligible trades in the current bar interval | | BUY_VOLUME | long | Traded volume originating from incoming buy orders. Excludes trades involving hidden orders, as well as off-book trades and auction trades, for the which the side of the aggressive order is undefined or unknown. | | SELL_VOLUME | long | Traded volume originating from incoming sell orders. Excludes trades involving hidden orders, as well as off-book trades and auction trades, for the which the side of the aggressive order is undefined or unknown. | | TRADE_CURRENCY | string[3] | Currency in which a trade was executed. | | TRADE_TICK_COUNT | long | Number of eligible trades in the current bar interval | | CLOUD_DB | string[32] | In composite DBs: Identifies the source database for each tick. In bars DBs: Identifies the database containing the tick data used to calculate the bars. | | OMDSEQ | uint | Sequence number allowing ticks of different types at the same timestamp to be sorted into the correct chronological order. e.g. if a trade and a quote have the same timestamp, the one with the lower value of OMDSEQ arrived first. | ### NSE_CASH_BARS - VWAP_1H 1-hour VWAP bars #### NSE_CASH_BARS - VWAP_1H Table Schema | Field | Data Type | Description | |-------------|-------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | SYMBOL_NAME | string | Symbol Name (Exchange Symbol for Equities & ETFs, and Starting with Exchange Product Code for Derivative Markets followed by expiry and strike as appropriate) | | TIMESTAMP | nsectime | Event Timestamp (typically at a nano-second resolution) | | VWAP | double | Volume-weighted average price | | TWAP | double | TIme-weighted average price | | VOLUME | double | DAY: Total volume traded on the current trading day TRD_1M, VWAP_1H: Total volume of eligible trades in the current bar interval | | CURRENCY | string[64] | Currency in which the instrument’s price is expressed (or nominal currency for bonds traded as a % of nominal). | | CLOUD_DB | string[32] | In composite DBs: Identifies the source database for each tick. In bars DBs: Identifies the database containing the tick data used to calculate the bars. | | OMDSEQ | uint | Sequence number allowing ticks of different types at the same timestamp to be sorted into the correct chronological order. e.g. if a trade and a quote have the same timestamp, the one with the lower value of OMDSEQ arrived first. |