Big prints on NSE: what large trades show, and what 4,637 of them did next
A big print is a single trade large enough to stand out from the tape: crores of rupees in one execution. Traders watch them as footprints of institutions. Here is what our ledger records, how to tell a real move from a negotiated deal, and what the price did after thousands of them.
What counts as a big print
Our event ledger records every single trade above a size floor: ₹3 crore for cash stocks and stock futures, ₹50 lakh of premium for index options, and higher floors for index futures. Each print is stored with the side that started it (a buyer lifting the offer or a seller hitting the bid, signed as explained here), its size, its price, and whether the price moved around it.
How many there are
| Session | Cash stocks | Stock futures | Index options | Index futures |
|---|---|---|---|---|
| 7 Sep | 551 · ₹3,331 cr | 140 · ₹1,015 cr | 4,845 · ₹4,015 cr | 6 · ₹322 cr |
| 8 Sep | 564 · ₹3,654 cr | 164 · ₹1,123 cr | 8,248 · ₹8,039 cr | 3 · ₹81 cr |
| 9 Sep | 817 · ₹6,943 cr | 325 · ₹2,724 cr | 5,170 · ₹4,162 cr | 19 · ₹650 cr |
| 10 Sep | 600 · ₹3,975 cr | 189 · ₹1,540 cr | 6,840 · ₹6,783 cr | 2 · ₹37 cr |
| 11 Sep | 755 · ₹4,290 cr | 377 · ₹3,439 cr | 7,411 · ₹6,371 cr | 12 · ₹289 cr |
Count of big prints and their total value; index options in premium. Expiry days (8 Sep NIFTY, 10 Sep SENSEX) carry the most option prints.
Across 1 to 11 September, cash big prints started by buyers numbered 3,174 (₹22,178 crore) and by sellers 2,501 (₹16,407 crore); in index options sellers started slightly more (14,352 against 12,486). Some prints cannot be signed and are left unassigned rather than guessed.
Real moves and negotiated crosses
Not every huge print is someone pushing the price. When a trade that size leaves the price exactly where it was before and after, it was almost certainly agreed between two parties: a block, a rollover, or a portfolio transfer. We label those negotiated crosses, direction unproven. Between 31 August and 11 September, 3,739 of 42,255 big prints, about 9 %, were crosses. Three examples:
- SWIGGY, 4 September: a ₹2,168 crore cash trade at ₹278.75, with the price identical before and after. A deal, not a push.
- HDFCBANK futures, 3 September, 10:47: ₹357 crore in the September contract and ₹359 crore in October at the same minute, neither moving the price: a position rolled from one month to the next.
- DLF, 9 September, 09:54: a ₹368 crore buyer-initiated cash print that moved the price 0.04 %. Real aggression, small footprint.
What 4,637 big prints did next
We took every signed cash big print from 1 to 11 September placed before 14:45, and looked at the stock's price 30 minutes later. After a buy print, did the price go higher; after a sell print, lower?
| Thirty minutes later | Prints | Share |
|---|---|---|
| Price moved with the print | 2,049 | 44 % |
| Price moved against the print | 2,321 | 50 % |
| Flat (under 0.02 %) | 267 | 6 % |
A big print on its own told you nothing about the next half hour; if anything, prices reversed slightly more often than they continued, and the median move in the print's direction was −0.02 %. This matches what we see elsewhere: aggressive size tends to arrive late in a move, when the other side is ready to absorb it. Nine sessions is a short window, prints cluster together, and these are minute prices, so read it as a description, not a rule.
How to read a big print
- Did the price move? A print that moves nothing is a deal; a print that pushes through several levels is someone in a hurry.
- Is it alone or in a burst? One print is noise; many prints across strikes or stocks within seconds is an event, like the ₹136 crore of index-option prints in five seconds at 13:41 on 11 September (see the closing auction page for that day's tape).
- What did open interest do? On a future, open interest rising by about the traded quantity means new positions; falling means positions closed; unchanged with a matching trade in the next month means a roll.
- When did it print? NSE's block-deal windows run 8:45 to 9:00 and 14:05 to 14:20; large trades inside them are pre-agreed blocks.
What a big print cannot tell you. Who traded, why, or what they will do next. A big buy can be a hedge, an exit from a short, or one leg of a spread. Treat it as a fact about the tape, not as a signal.
Quick questions
What is a big print in trading?
What is the difference between a block deal and a big print?
Do big prints predict price?
What is a negotiated cross?
Big print kya hota hai?
This page is education about market data. It is not investment advice and not a recommendation to buy or sell any security. TBTflow is not registered with SEBI.
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