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All OTC trades must be reported promptly to designated platforms, such as stock exchange reporting engines or trade repositories. SEBI mandates reporting within minutes for many instruments, ensuring market transparency and accurate price discovery for investors and regulators.
Listed and unlisted companies are required to submit periodic financial statements, material events, and corporate actions. These disclosures provide essential information for investors to assess financial health, risks, and opportunities, fostering trust and confidence in the marketplace.


Regulators have real-time access to trade data and filings for oversight and compliance monitoring. Aggregated market information is also made available to the public, ensuring transparency and enabling informed participation in the OTC market ecosystem.

The International Standards Organisation (ISO) has provided a standard (ISO 6166) for the numbering of securities. This standard is intended for use in any application in the trading and administration of securities. The ISIN is a code which uniquely identifies a specific securities' issue.
The ISIN consists of:
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