Trading members may note that currently there are 4 partitions in equity and equity derivatives segment. Each partition is serving a set of products. It is proposed to increase the number of partitions from 4 to 6 effective from Monday July 24, 2023. This would mean that from Monday July 24, 2023, trading will happen in 6 partitions for all the products.
The partition information is also provided in following Equity segment scrip master files
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SCRIP_DDMMYYY.txt under column 5
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BSE_EQ_SCRIP_DDMMYYYY.csv under column 56
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Similarly, partition information is provided in following contract master files of Equity Derivatives
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EQD_CODDMMYY.csv under column 13
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EQD_SPD_CODDMMYY.csv under Column 8
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BSE_EQD_CONTRACT_DDMMYYYY.csv under Column 68
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BSE_EQD_SPDCONTRACT_DDMMYYYY.csv under Column 33
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EQD_INDEX_CODDMMYY.csv under Column 13
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Impact on ETI based applications
All ETI applications which are making use of partition ID for retransmission of orders, trades and other messages which are partition oriented will have to make necessary changes to query for 6 partitions instead of 4.
The number of partition information is also part of Session logon response (Template ID 10001) message of ETI API.
Also, kindly note that exchange will gradually move few products from existing 4 partitions to partition 5 and 6 over period.
Impact on EMDI/ EOBI
The movement of product will have impact on the existing EOBI/EMDI stream. We have partition wise EOBI/ EMDI multicast streams and thus movement of product from one partition to other would mean that the market data for that product will not be available from the multicast stream of the partition where it originally belonged, and it will be available from the multicast stream of the new partition where it has been moved. Refer the BOLTPLUS Configuration file attached annexure with notice for details on partition wise multicast stream of EMDI and EOBI.
All members are requested to make necessary changes in their EOBI/EMDI applications if any, for the above continual activity of product movement.
For further queries on this, you may contact IML techsupport team on 22728053.
You can even email your queries to iml.techsupport@bseindia.com.
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For & on behalf of BSE Ltd,
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Ketan Jantre
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Arvindkumar Iyengar
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Chief GM – Trading Operations
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Sr.GM – Information Technology
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