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How FII/DII Flow Data Predicts NIFTY Direction

Institutional order flow is the single most reliable leading indicator for index direction. Here's how Arthlytic decodes it in real-time for retail traders.

September 21, 20268 min readBy Arthlytic Research Desk

Foreign Institutional Investors (FIIs) and Domestic Institutional Investors (DIIs) represent over 70% of total market turnover in Indian equities. Understanding how their net cash and derivative positions shift allows retail traders to position ahead of major breakout and breakdown waves.

1. Net Open Interest (OI) Divergence: When NIFTY is consolidating near resistance while FII long index futures OI climbs above 65%, historical probabilities strongly favor an upside breakout. Arthlytic tracks this institutional ratio in real-time.

2. Cash Market Absorption: Retail panic selling during gap-downs often coincides with heavy DII block absorption. Our 8-Layer Confluence Engine cross-checks institutional cash flow against volume anomalies to prevent premature shorting into institutional liquidity pools.

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