New Delhi, Sept. 4 -- SEBI has revised the norms governing the base price, price bands, pre-open call auction, and close-out mechanism for equity, debt, and commodities ETFs.

Currently, a fixed +20% price band applies to equity, debt, and commodity ETFs, based on the T-2 day NAV. For Overnight ETFs, the price band is +5%, according to SEBI's 15 June 2026 circular.

The new framework changes how ETF prices are determined. The rules originally scheduled to take effect from 1 September 2026 will now come into effect on 7 September 2026, following SEBI's circular last week.

Here's what ETF investors need to know.

"Every ETF is allowed to move only so far up or down in a day. That distance is measured from a reference number called the base...