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FII & DII Trading Activity Today: Strong Buying Supports Indian Markets on 18 December 2025

Writer
Nidhi Thakur
timer
December 18, 2025
FII & DII Trading Activity Today: Strong Buying Supports Indian Markets on 18 December 2025blog thumbnail

Foreign Institutional Investors and Domestic Institutional Investors once again played a crucial role in shaping Indian equity market sentiment. On 18 December 2025, combined institutional activity across NSE, BSE and MSEI reflected healthy net buying, offering stability to benchmark indices amid mixed global cues.

Institutional flows are closely tracked by traders and long-term investors alike, as they often signal confidence, liquidity direction, and medium-term market trends.

Institutional Trading Data for 18 December 2025

Based on official exchange data from the capital market segment:

Domestic Institutional Investors Activity

Domestic Institutional Investors recorded strong buying interest, reflecting continued confidence from mutual funds, insurance companies and pension funds.

  • Buy Value: ₹12,375.71 crore
  • Sell Value: ₹9,675.35 crore
  • Net Value: ₹2,700.36 crore

DII participation remains a key stabilising force for Indian markets, especially during periods of foreign fund volatility.

FII and FPI Trading Activity

Foreign Institutional Investors showed measured optimism, continuing their selective accumulation strategy.

  • Buy Value: ₹11,442.37 crore
  • Sell Value: ₹10,846.59 crore
  • Net Value: ₹595.78 crore

While FII buying was moderate, the fact that foreign investors stayed net positive reflects improving confidence in India’s macro fundamentals.

Total Institutional Impact on Indian Markets

Combining both DIIs and FIIs, the total net institutional inflow stood at ₹6,296.14 crore, providing a solid liquidity boost to equities.

This level of participation generally:

  • Supports index levels during volatile sessions
  • Improves market breadth
  • Encourages retail participation
  • Strengthens sectoral rotation

Such inflows often translate into steady movements in heavyweight stocks from banking, IT, FMCG and capital goods sectors.

What Drove Institutional Buying on 18 December

Several domestic and global factors influenced institutional behaviour:

Stable Domestic Macroeconomic Indicators

India continues to remain one of the fastest-growing major economies. Controlled inflation, stable interest rate expectations, and strong GST collections keep domestic funds confident.

Selective FII Re-entry

Foreign investors appear to be rotating funds towards emerging markets with stronger earnings visibility. India benefits due to:

  • Consistent GDP growth
  • Corporate balance sheet improvement
  • Regulatory transparency under SEBI

Year-end Portfolio Rebalancing

December often sees institutional rebalancing, where funds adjust allocations before the new calendar year. This supports steady buying in fundamentally strong stocks.

Impact on Nifty, Sensex and Broader Markets

Institutional buying helped limit downside pressure in benchmark indices:

  • Nifty showed resilience near key support zones
  • Sensex remained range-bound but stable
  • Midcap and select PSU stocks attracted interest

While global markets remain sensitive to interest rate expectations and geopolitical cues, domestic liquidity continues to act as a strong buffer.

Why Tracking FII and DII Data Matters for Investors

For Indian investors, daily institutional data offers valuable insights:

  • DIIs reflect long-term domestic confidence
  • FIIs indicate global risk appetite
  • Sustained net buying often precedes trend formation
  • Sharp outflows can signal near-term volatility

However, trading decisions should never rely on flows alone. They must be combined with technical levels, earnings outlook, and sector-specific trends.

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Frequently Asked Questions

What is FII and DII trading activity?
It refers to buying and selling done by foreign and domestic institutional investors in Indian stock markets.

Why is DII buying important for Indian markets?
DIIs provide stability during volatile phases and support long-term market growth.

Is net buying always bullish?
Net buying is generally positive, but markets also depend on global cues, earnings, and macroeconomic factors.

Where can investors track daily FII and DII data?
Official data is published by NSE, BSE and market analytics platforms.

Should retail investors follow institutional flows blindly?
No. Institutional data should be used as a supporting indicator, not a standalone strategy.

Final Takeaway

The FII & DII trading activity on 18 December 2025 highlights continued institutional confidence in Indian equities. With total net inflows of ₹6,296.14 crore, markets received crucial support amid global uncertainties.

As India heads toward the new year, sustained domestic participation and cautious foreign buying could keep volatility in check and offer selective opportunities for informed investors.

With the right research, disciplined strategy, and trusted partners like Swastika Investmart, navigating market movements becomes more structured and rewarding.

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