DII Buying Extends to 20 Straight Sessions as FII Selling Resumes
MarketPulse Summary: FIIs turned net sellers at ₹576.2 Cr after one day of buying, while DIIs bought ₹2,797.27 Cr, extending their longest streak in the dataset. The Nifty 50 edged up 0.29% to ₹23,414.3 despite the FII outflow.
📊 Nifty 50 Snapshot
🏦 FII and DII Activity
On 21 Sept 2026 , FII/FPI were net sellers of ₹-576.20 Cr , while DII were net buyers of +₹2,797.27 Cr . Combined institutional activity stood at +₹2,221.07 Cr .
🔍 What the Institutional Flows Show
Today's FII net selling reverses from yesterday's ₹599.54 Cr net buying, breaking a brief positive spell. Over five sessions, FIIs have averaged ₹1,418.84 Cr in daily net selling against DII purchases averaging ₹2,417.79 Cr, with combined institutional flows remaining positive at ₹998.95 Cr daily. The Nifty's modest gain occurred alongside this institutional divergence, with DII absorption of FII selling continuing the established pattern.
📅 FII/DII Flow — Last 5 Sessions
| Date | FII/FPI Net (₹ Cr) | DII Net (₹ Cr) | Combined Net (₹ Cr) |
|---|---|---|---|
| 11 Sept 2026 | -930.90 | +1,968.17 | +1,037.27 |
| 15 Sept 2026 | -2,977.86 | +2,686.05 | -291.81 |
| 17 Sept 2026 | -3,208.76 | +3,617.75 | +408.99 |
| 18 Sept 2026 | +599.54 | +1,019.69 | +1,619.23 |
| 21 Sept 2026 | -576.20 | +2,797.27 | +2,221.07 |
📊 Five-Session Institutional Flow
| FII/FPI | ₹-7,094.18 Cr |
| DII | +₹12,088.93 Cr |
| Combined | +₹4,994.75 Cr |
| Avg Daily FII/FPI | ₹-1,418.84 Cr |
| Avg Daily DII | +₹2,417.79 Cr |
| Avg Daily Combined | +₹998.95 Cr |
⚡ What to Watch Next
Investors should monitor whether FII selling deepens beyond the single-session streak or reverts, given the five-session average of heavy FII outflows. The sustainability of DII's 20-session buying streak remains the key structural flow dynamic to track.
📝 Data Note
FII/FPI and DII figures are based on NSE institutional trading data. The latest institutional-flow figures are provisional and may be revised.
The five-session analysis covers the available trading sessions in the dataset. Longer-term 10-, 20- and 30-session windows are not treated as complete until sufficient sessions are available.
Disclaimer: This article is for informational and educational purposes only. It is not investment advice or a recommendation to buy or sell any security. Investors should conduct their own research or consult a qualified financial professional.