PFDI/PROP-FIRM DEAL INTELLIGENCE NSE·BSE OFFICIAL FEEDS  —:—:— IST
Which stocks are India's prop, HFT & quant firms trading — from official NSE & BSE bulk & block deal disclosures, ranked by how much tracked-firm attention each stock drew.

GCSL Partial net buy

Gretex Corporate Services · last activity 2026-09-21 · 3 tracked appearance(s) · first seen 2026-07-02

31
attention (2026-09-21)
1
tracked firms
13.77
gross ₹ Cr
8.13
net ₹ Cr
635.10
close
+2.7%
day move
3.2×
vol vs ADV20
62.77%
delivery
Latest read (2026-09-21): Gretex Corporate Services: Hudson River Trading / HRT India ended net buyers of ₹8.13 Cr after trading both sides (gross ₹13.77 Cr) — a partial accumulation rather than a clean one. Volume ran 3.2× the 20-day average with the stock +2.7% on the day.

Price & tracked-firm entries // markers = days tracked firms were active · hover for the read

48260372308-1309-1010-12
Clean buy Clean sell Partial buy Partial sell Mixed Round-trip / churn

Firm-wise activity on 2026-09-21

FirmTypeClassBuy qtySell qty Buy ₹CrSell ₹CrGross ₹CrNet ₹Cr
Hudson River Trading / HRT India BULK Partial net buy 172,039 44,440 10.95 2.82 13.77 8.13

Appearance history

DateAttentionFlowFirmsGross ₹CrNet ₹Cr
2026-09-21 31 Partial net buy 1 13.77 8.13
2026-08-13 26 Partial net sell 1 9.67 -3.35
2026-07-02 32 Partial net buy 1 11.54 6.44

Alerts for this stock

  • 2026-09-21 Clean net activity Partial net buy of ₹8.13 Cr by Hudson River Trading / HRT India.
  • 2026-08-13 Clean net activity Partial net sell of ₹3.35 Cr by Hudson River Trading / HRT India.
  • 2026-07-02 Clean net activity Partial net buy of ₹6.44 Cr by Hudson River Trading / HRT India.
  • 2026-07-02 First-time mention First appearance in tracked-firm deals (attention 32, flow: Partial net buy).

Price / volume context (last 10 sessions)

DateCloseDayVolumeDelivery %
2026-10-12 723.45 +3.2% 250,671 19.75
2026-10-09 701.00 +0.5% 325,976 33.95
2026-10-08 697.75 +1.2% 479,957 46.43
2026-10-07 689.70 -0.5% 392,492 51.95
2026-10-06 693.05 +1.7% 225,480 31.38
2026-10-05 681.75 +0.3% 266,383 28.08
2026-10-01 679.90 +0.6% 321,775 23.32
2026-09-30 675.85 +1.4% 247,015 18.1
2026-09-29 666.25 -0.2% 378,027 30.4
2026-09-28 667.35 +2.1% 273,458 40.08

Raw deal rows (tracked firms, as disclosed)

DateSrcTypeFirmSideQty PriceValue ₹CrDisclosed client name
2026-09-21 NSE BULK Hudson River Trading / HRT India BUY 172,039 636.38 10.95 HRTI PRIVATE LIMITED
2026-09-21 NSE BULK Hudson River Trading / HRT India SELL 44,440 633.85 2.82 HRTI PRIVATE LIMITED
2026-08-13 NSE BULK Hudson River Trading / HRT India BUY 61,622 512.75 3.16 HRTI PRIVATE LIMITED
2026-08-13 NSE BULK Hudson River Trading / HRT India SELL 126,634 513.74 6.51 HRTI PRIVATE LIMITED
2026-07-02 NSE BULK Hudson River Trading / HRT India BUY 199,380 450.87 8.99 HRTI PRIVATE LIMITED
2026-07-02 NSE BULK Hudson River Trading / HRT India SELL 57,219 446.42 2.55 HRTI PRIVATE LIMITED

ATTENTION SCORES AND ALERTS RANK TRACKED-FIRM ACTIVITY — not buy/sell advice, no return prediction. Sources: NSE (primary) & BSE (secondary) official disclosures.