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FII/DII Flow Tracker

Daily institutional buying/selling data · historical trends · sector breakdown.

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Understanding FII/DII Data and Its Impact on Indian Stock Market

Foreign Institutional Investors (FII/FPI) and Domestic Institutional Investors (DII) are the two most powerful forces in Indian equity markets. Together they control over 50% of free-float market capitalization on NSE and BSE. Tracking their daily buying and selling activity gives retail traders a significant edge in predicting short-term market direction.

Downstox provides real-time FII/DII data including daily cash market flows, derivative positions (futures long/short ratio), options activity, and AI-powered market signals that analyse institutional patterns to predict whether NIFTY is likely to go up or down. All free, updated every 5 minutes during market hours.

Frequently Asked Questions — FII DII Data

What is FII and DII data?
FII (Foreign Institutional Investors) and DII (Domestic Institutional Investors) data shows how much these large investors are buying and selling in the Indian stock market each day. NSE publishes this data daily. FIIs include foreign banks, mutual funds, and hedge funds. DIIs include Indian mutual funds, insurance companies (LIC), and banks.
How does FII data affect NIFTY and stock prices?
FIIs hold approximately 20% of Indian market capitalization. When FIIs buy heavily (net positive), NIFTY tends to rally. When FIIs sell aggressively (net negative), NIFTY usually falls. This is because large FII orders move prices directly, and their sentiment influences other market participants.
What is FII Long/Short Ratio and why is it important?
The FII Long/Short Ratio shows the proportion of long (bullish) positions to short (bearish) positions held by FIIs in index futures. A ratio above 1.5 indicates strong bullish sentiment. Below 0.7 indicates bearish positioning. This is considered one of the most reliable predictive indicators for NIFTY direction.
When FII sells and DII buys, what does it mean?
When FII sells but DII absorbs the selling (net DII buying), it typically means the dip is temporary. DIIs (especially Indian mutual funds receiving SIP inflows) act as a support. Historical data shows that when DII buying exceeds FII selling, NIFTY usually recovers within 1-2 weeks.
Where does Downstox get FII DII data from?
Downstox fetches FII/DII data directly from the NSE (National Stock Exchange of India) official APIs. Cash market data comes from the daily FII/DII trade report. Derivative positions come from the participant-wise trading data published by NSE every evening after market close.