Description

BSE announces that the revision in constituent weightings for BSE BANKEX, as previously notified in circular 20260413-24, will be effective from May 29, 2026.

Summary

BSE has issued an update (Notice No. 20260413-47) as a continuation of Exchange Notice 20260413-24, clarifying that the revision in constituent weightings for BSE BANKEX will be effective from May 29, 2026. The notice also references the BSE Focused IT Index in the subject context.

Key Points

  • This notice is a follow-up to Exchange Notice 20260413-24 regarding index methodology changes
  • Revision in constituent weightings for BSE BANKEX will be effective from May 29, 2026
  • The change falls under the Index category for the Equity segment
  • No attachments were included with this notice

Regulatory Changes

The constituent weightings of BSE BANKEX are being revised as part of an index methodology update. The specific details of the weighting changes were communicated in the original notice 20260413-24; this circular serves as a clarification on the implementation timeline.

Compliance Requirements

  • Market participants, fund managers, and ETF operators tracking BSE BANKEX should note the effective date and update their portfolios or tracking mechanisms accordingly by May 29, 2026
  • Index fund managers and passive investors benchmarked to BSE BANKEX should prepare for rebalancing prior to the effective date

Important Dates

  • Notice Date: April 13, 2026
  • Effective Date of Constituent Weighting Revision: May 29, 2026

Impact Assessment

The revision in constituent weightings for BSE BANKEX will impact index funds, ETFs, and other investment products benchmarked to this index. Fund managers will need to rebalance portfolios to reflect the new weightings by the effective date. The change may cause minor market movements in banking sector stocks included in the BANKEX index as institutional investors adjust positions ahead of May 29, 2026.

Impact Justification

This is an update to a previously announced index methodology change for BSE BANKEX, clarifying the effective date of May 29, 2026 for constituent weighting revisions. It affects index-linked funds and ETFs tracking BSE BANKEX but is a scheduled, pre-announced change.