Markets Glossary
FII / DII Flows
Daily net buying or selling by Foreign Institutional Investors (FIIs/FPIs) and Domestic Institutional Investors (DIIs) — the two big institutional forces in Indian equities.
By Amit Tyagi, Fitoor Capital · AletheiaAI Glossary
Definition
FII (foreign institutional investor — formally FPI, foreign portfolio investor) refers to overseas funds investing in Indian securities. DII (domestic institutional investor) covers Indian mutual funds, insurance companies, banks and pension funds. The exchanges publish their net purchase/sale figures daily, and the two groups often act in opposite directions.
Flow data describes who is buying, not whether they are right. Sustained FII selling absorbed by DII buying has been a recurring pattern in Indian markets — flows explain price pressure, but the investment case for any individual company still rests on its own filings and fundamentals.
India Context
Daily provisional FII/DII numbers are published by the exchanges, and NSDL publishes fortnightly and monthly FPI flow data by sector. Domestic flows have become structurally stronger with the growth of monthly SIP contributions into Indian mutual funds, which has cushioned periods of foreign selling. Headlines often attribute every market move to these flows; the attribution is usually cleaner in the data than in the commentary.
Example
Over a month, FIIs are net sellers of Indian equities while DIIs are net buyers of a similar amount, and the index ends roughly flat. A headline reading “foreign investors flee India” is technically true and materially incomplete — the ownership simply rotated from foreign to domestic hands.
Frequently Asked Questions
Where is FII/DII data published?
The exchanges publish daily provisional net figures, and NSDL publishes FPI flow statistics including sector-level data. Both are primary sources, free to access.
Do FII flows predict market direction?
Not reliably. Flows coincide with price moves more than they predict them, and domestic flows increasingly offset foreign flows. Flow data is context, not a signal by itself.
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