The Multi Commodity Exchange of India Limited (MCX), on August 7, 2026, issued a circular notifying modifications to the contract specifications of MCX iCOMDEX Bullion Index (MCX BULLDEX®) Options Contracts. The revised specifications will apply to November 2026 and subsequent expiry contracts, with changes to the trading unit becoming effective from August 20, 2026.
Under the revised contract specifications, the trading unit (1 lot) has been reduced from ₹30 × MCX iCOMDEX Bullion Index to ₹15 × MCX iCOMDEX Bullion Index. All other contract specifications and trading parameters, as detailed in the annexure to the circular, shall remain binding on members and their constituents.
MCX has advised all members to take note of the revised specifications and communicate the changes to their respective clients and constituents to ensure readiness before implementation.
[Circular No. MCX/TRD/457/2026]
