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In an analysis of NSE disclosures from 3 January 2023 through 18 September 2026, Mohammed Arshad Ansari of Ansaar reports that 72% of bulk-deal rows met his definition of a same-day round trip: the same client name appeared as both buyer and seller in the same stock on the same date. That is Ansaar’s calculation, not an official NSE statistic or an independently reproduced result. Ansaar’s analysis covers 84,740 bulk deals, alongside 5,898 block deals across 2,851 companies.
What Ansaar’s 72% figure measures
Ansaar groups disclosure rows by trade date, stock symbol and client name. A group counts as a round trip if it contains both a BUY and a SELL. The reported 72% is the share of bulk-deal rows belonging to such groups—not the share of clients, companies or trading days.
The analysis matches client names exactly as published. If the same client appears under alternate spellings, those records may be split and fail to count as one round trip. The finding should therefore be read as a result under Ansaar’s matching method, rather than a definitive measure of every client’s activity.
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#1 Best Overall
| Period | Share reported by Ansaar |
|---|---|
| 2023 | 71% |
| 2024 | 72% |
| 2025 | 69% |
| 2026 through 18 September | 77% |
These are the author’s calculations from exchange disclosures. A secondary explainer from OnlineNIFM repeats an approximate 72% figure, but does not independently validate the row-level result. Ansaar also reports that round trips represent about two-thirds of bulk buying value; its rupee totals count the buying side only, since counting both buyer and seller sides would count the same trade twice.
Bulk deals and block deals are disclosed differently
Both terms refer to large trades, but the thresholds and execution arrangements differ. The following descriptions and time-sensitive block-deal details are those reported by Ansaar; check applicable SEBI and NSE circulars for current rules.
| Feature | Bulk deal | Block deal |
|---|---|---|
| What qualifies | One client buys or sells more than 0.5% of a company’s listed shares in one day, according to Ansaar. | A single large trade meeting a rupee-value minimum. Ansaar reports the minimum as ₹25 crore since 7 December 2025, up from ₹10 crore. |
| Where it is executed | Through the normal market. | In a separate block-deal window. |
| Reversal or delivery | Ansaar says the client may reverse a bulk deal on the same day. | Ansaar describes delivery as compulsory. |
| Timing and pricing | No separate execution window is specified in Ansaar’s description. | Ansaar lists windows of 8:45–9:00 a.m. and 2:05–2:20 p.m. The first is priced within 3% of the previous close; the second within 3% of the volume-weighted average price from 1:45–2:00 p.m. |
Ansaar’s analysis reports median deal values of ₹6 crore for bulk deals and ₹29 crore for block deals over its 2023–2026 coverage. These are reported medians for that period, not minimum thresholds.
Why a disclosed purchase is not a prediction
A bulk-deal disclosure records a transaction; by itself, it does not establish that the named buyer is building a long-term position or expects the share price to rise. Under Ansaar’s definition, a client can appear on both sides of a stock’s disclosures on the same date. The record does not explain why the trade occurred or forecast what the price will do next.
Ansaar also groups mutual funds using client names that contain the words “Mutual Fund.” Funds disclosed under other names are not included in that grouping. Keep that limitation in mind when interpreting any fund-related totals from the analysis.
Quick Recap
How to assess a bulk- or block-deal disclosure
- Check both sides. Look for buyer and seller disclosures in the same stock on the same date, and note whether the client names match exactly.
- Identify the deal type. A bulk deal follows a shareholding threshold in the normal market; a block deal uses a separate window and, in Ansaar’s description, requires delivery.
- Put the size in context. Consider the transaction relative to the company’s scale instead of treating a large rupee amount as meaningful on its own.
- Consider the counterparty and the limits of the record. A disclosure identifies the named parties and transaction, but does not explain their reasons or establish an ongoing position.
- Use it as one research input. A past disclosure can inform further investigation, but it is not a standalone forecast or buy signal.
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