On Wednesday, 11 November 2026, the Nifty 50 was up 81.15 points at 3:15 PM. By the official close it was up 210.40. The extra 129.25 points arrived after continuous trading in every one of its stocks had stopped, and it was the largest such move in the 30 sessions I have measured.
That is not a quirk of one day. Since NSE moved stocks with futures and options to a closing auction on 3 August 2026, the index has a two-step ending: a last value at 3:15 PM, then an official close calculated from the auction prices. Across the 30 sessions from 28 September to 11 November, the close finished above the 3:15 PM value 21 times, and every one of the eight moves bigger than 50 points was upward.
A gap that opens while nothing is trading
The Nifty 50's members are all stocks with F&O contracts, so they stop trading continuously at 3:15 PM and enter the auction. Orders are collected until 3:35 PM and matched at a single price for each stock, and that price becomes its official close. The index is computed from those closes. Between 3:15 PM and the published close, the index on a live screen barely moves, because its inputs are not trading; then it steps to the official figure.
Mahindra & Mahindra shows the effect at the stock level. On 11 November its last trade before the auction was at ₹3,417, up 3.84% on Monday's ₹3,290.60, and the highest it traded during the continuous session was ₹3,449. The auction then set its close at ₹3,465, a price it had never traded at during the day, which turned the day's gain into 5.30%. The index is a weighted sum of fifty such steps.
Thirty sessions, counted
I took the close of each session's 2:15 PM hourly candle as the 3:15 PM value and the daily close as the official close. On all 30 sessions the 3:15 PM hourly candle closed at exactly the official daily close, so the two series agree on what "the close" means.
| Session | Nifty at 3:15 PM | Official close | After 3:15 PM |
|---|---|---|---|
| Mon 28 Sep | 22,788.25 | 22,780.25 | −8.00 |
| Tue 29 Sep | 22,683.75 | 22,716.20 | +32.45 |
| Wed 30 Sep | 22,614.90 | 22,620.45 | +5.55 |
| Thu 1 Oct | 22,445.60 | 22,421.95 | −23.65 |
| Mon 5 Oct | 22,535.45 | 22,555.75 | +20.30 |
| Tue 6 Oct | 22,717.40 | 22,776.10 | +58.70 |
| Wed 7 Oct | 22,615.45 | 22,603.05 | −12.40 |
| Thu 8 Oct | 22,215.80 | 22,231.80 | +16.00 |
| Fri 9 Oct | 22,535.65 | 22,520.45 | −15.20 |
| Mon 12 Oct | 22,316.85 | 22,363.35 | +46.50 |
| Tue 13 Oct | 22,699.55 | 22,721.95 | +22.40 |
| Wed 14 Oct | 22,625.15 | 22,622.70 | −2.45 |
| Thu 15 Oct | 22,938.85 | 22,997.35 | +58.50 |
| Fri 16 Oct | 23,119.00 | 23,146.15 | +27.15 |
| Mon 19 Oct | 22,873.55 | 22,888.95 | +15.40 |
| Wed 21 Oct | 22,739.20 | 22,811.35 | +72.15 |
| Thu 22 Oct | 22,667.25 | 22,687.65 | +20.40 |
| Fri 23 Oct | 22,517.00 | 22,600.00 | +83.00 |
| Mon 26 Oct | 22,717.05 | 22,753.20 | +36.15 |
| Tue 27 Oct | 22,762.00 | 22,749.75 | −12.25 |
| Wed 28 Oct | 22,707.20 | 22,698.85 | −8.35 |
| Thu 29 Oct | 22,940.75 | 22,936.75 | −4.00 |
| Fri 30 Oct | 23,010.75 | 23,053.10 | +42.35 |
| Mon 2 Nov | 23,330.35 | 23,440.80 | +110.45 |
| Tue 3 Nov | 23,731.75 | 23,810.85 | +79.10 |
| Wed 4 Nov | 23,912.70 | 23,960.60 | +47.90 |
| Thu 5 Nov | 24,542.45 | 24,536.60 | −5.85 |
| Fri 6 Nov | 24,938.90 | 25,030.35 | +91.45 |
| Mon 9 Nov | 25,003.65 | 25,044.65 | +41.00 |
| Wed 11 Nov | 25,125.80 | 25,255.05 | +129.25 |
The median move, ignoring direction, was 25.40 points. Grouped by size, the asymmetry is plain:
| Size of the post-3:15 move | Close above 3:15 PM value | Close below |
|---|---|---|
| Under 25 points | 6 | 9 |
| 25 to 50 points | 7 | 0 |
| 50 to 100 points | 6 | 0 |
| Over 100 points | 2 | 0 |
All nine downward moves were small; the biggest was 23.65 points on 1 October. The upward side has a long tail, and six of the eight moves above 50 points came from 21 October onward, a stretch in which the Nifty rose from its 19 October close of 22,888.95 to 25,255.05.
Added up, it is a large share of the rally
The 21 upward moves total 1,056.15 points and the nine downward moves 92.15, a net 964.00 points over the 30 sessions. Leave out 28 September, whose 3:15 PM move sits before the starting close, and the post-3:15 moves from 29 September to 11 November add up to 972.00 points. Over the same stretch the Nifty rose 2,474.80 points, from 22,780.25 to 25,255.05. So 39.3% of the net rise was recorded in the step from the 3:15 PM value to the official close, when no Nifty stock was trading continuously.
When the last step changed the day's story
The post-3:15 move went the same way as the day's overall change on 18 of the 29 sessions where I could compare them (28 September needs the previous session's close, which is outside my window). On the other 11 it pushed against the day.
Two of those 11 roughly halved a fall:
- Wednesday 21 October. At 3:15 PM the Nifty was down 149.75 points on Monday's close. The auction added 72.15, and the day went into the record as a fall of 77.60.
- Friday 23 October. Down 170.65 points at 3:15 PM, the index closed down 87.65 after an 83.00-point step.
If you read "the Nifty fell 77.60 points on 21 October" in a report, the index was down 149.75 at 3:15 PM, the last moment of continuous trading.
One session went further. On Tuesday 27 October the Nifty was up 8.80 points at 3:15 PM and closed down 3.45 after a 12.25-point step down. It counts among the 18 same-direction days, because the step and the final result were both negative, but it is the only session in the sample where the post-3:15 move flipped the sign of the day.
Seven days whose high was the close
On 7 of the 30 sessions the official close was also the day's high: 6, 13 and 26 October, and 2, 3, 4 and 6 November. On those days the index never traded during the continuous session at the level it closed at. None of the 30 sessions closed at its low.
This matters for anyone counting when the day's high is made. In my earlier time-of-day study of Nifty highs and lows, a high recorded at the close is a product of the auction, not of trading in the final minutes. If you use daily candles, the high and the close can be the same number for a structural reason.
How I got the numbers
Both series come from Zerodha's Kite historical data for the NIFTY 50 index: hourly candles for the 3:15 PM value and daily candles for the official close, from 28 September to 11 November 2026. That is 30 regular sessions; the Diwali Muhurat session on 8 November is excluded because it has its own timetable, and 20 October was a holiday. If you want to pull the same candles, the approach is in fetching historical data from Kite Connect in Python.
The 3:15 PM value is the last index value inside the 2:15 to 3:15 PM hour. The official close is the figure NSE publishes. Every number in the tables is a difference between those two, rounded to the index's own two decimals.
What this cannot tell you: 30 sessions is a short window, and most of it was a strong rising market, which is the setting in which the large upward steps appeared. The counts say where points were recorded, not who placed the auction orders or why, nor how much of each step would have happened before 3:15 PM under the rules in force until August. And the sample says nothing about how the step behaves in a falling month, and it will need re-measuring after 7 December 2026, when SEBI moves the auction to 3:30 to 3:40 PM and the gap between continuous trading and the close changes shape (what changes in December).
What I changed in my own notes
Two practical things. In the daily post-market report I now give the 3:15 PM value alongside the close whenever the step is large, because "the Nifty rose 210 points" and "the Nifty rose 81 points, then 129 more in the auction" describe different sessions. And when I compare a stock's day with its index, I use official closes for both, never a last-traded price for one and an auction close for the other.
Sources
- Nifty 50 hourly and daily candles, Mahindra & Mahindra 15-minute candles and quotes, 28 September to 11 November 2026: Zerodha Kite market data
- Closing auction timings and the December change: NSE circular NSE/CMTR/74466 and SEBI's 15 October 2026 circular, as summarised in the closing auction guide and the December changes guide
This post summarises past market data for information only. It is not investment advice or a recommendation to buy or sell any security, and I don't publish levels, targets or trade ideas. I am not registered with SEBI as an investment adviser or research analyst.