Recent sessions · print vs freezeNIFTY · Fri 04 Sep · 4 DTE · −40 ptsSENSEX · Fri 04 Sep · 6 DTE · −130 ptsNIFTY · Tue 01 Sep · expiry · +75 pts
Next live window · Mon 07 Sep · 14:45

The index stops at 15:15. The option chain doesn't.

What index options are pricing for the 15:30 print, derived from public option quotes. From the freeze to the print, the Monitor reads the implied close every fifteen seconds for NIFTY and SENSEX. One page, open every trading day.

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Recorded session · SENSEX · Thu 27 Aug 2026 · 62 s · captions on
Official close is in · NIFTY · Fri 04 Sep
▼ Closed lower
23,897.70

NIFTY closed 40 pts below the 15:15 freeze. At 15:22 the option chain had already read 15 pts below it.

← Lower closeFreezeHigher close →
−100 pts0+100 pts
Freeze level 15:1523,937.90
Implied close 15:2223,923.3−15 pts
Print 15:3023,897.70−40 pts
NIFTY · Fri 04 Sep · 4 DTE
23,897.70
closed lower · −40 pts vs freeze
SENSEX · Fri 04 Sep · 6 DTE
76,515.43
closed lower · −130 pts vs freeze
Next live window · opens 14:45
Mon 07 Sep
NIFTY expiry Tue 08 Sep · SENSEX expiry Thu 10 Sep

Implied close vs freeze, in index points

NIFTY · Friday 04 September 2026 · 4 DTE · public option quotes · recorded session

Freeze levelOption-implied closeOpen windowPrint windowOfficial print

At 15:15 the index froze at 23,937.90. From 15:21 the option chain priced a lower close: 15 pts below the freeze at 15:22, 21 pts below at 15:23. The official print at 15:30 landed at 23,897.70, 40 pts below the freeze. Above the dashed line the market is pricing a higher close; below it, a lower one.

Reading at 15:22
−15 pts
23,923.3
Freeze level 15:15
23,937.90
index fixed here
Official print 15:30
23,897.70
−40 pts
Basis · strikes averaged
+40 pts
locked 15:15 · 5 strikes (K±2)
Freeze level · the index value fixed at 15:15. Everything on this page is measured from it, in index points.
Implied close · the closing level that current call and put prices add up to (put–call parity). It is the market's number, not ours.
Points · the distance between a level and the freeze. A plus sign means a higher close than the freeze, a minus sign a lower one.

How it reads

Read-only. No broker login, no order buttons. It shows the number; what you do with it is yours.
15:05

Basis measurement starts.

Parity minus spot, per strike, for ten minutes before the freeze.

15:15

The index freezes.

NIFTY and SENSEX stop updating. Reference and ATM strike fixed; basis locked. Options keep trading against a close that hasn't printed.

15:16

First implied reading.

Put–call parity across five strikes around the money (K±2) gives an implied close. Settling phase.

15:21

Window open.

Readings every 15 seconds, with a stability read: last 3 minutes, across strikes, change over 3 minutes.

15:30

The print is marked.

The official close is drawn on the same chart: what did the chain say, and where did the print land.

Session library

46 sessions · 23 NIFTY, 23 SENSEX · Mon 03 Aug to Fri 04 Sep. Members replay any day, minute by minute.

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SessionIndexDTEPrint vs freezepts15:22 reading
Loading the session library…
Flat band: within 7 pts NIFTY / 23 pts SENSEX of the freeze.
Membership

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Live window for both indices from 14:45 on every trading day, the full session library with replay, phone and desktop. One payment on Razorpay. No auto-renew. Active the moment the payment is captured. Sign in with the email you paid with. No password.

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Is this advice or a tip service?

No. It shows one number, the close the option chain is pricing, with its stability and history. What you do with it is yours.

Do I connect my broker?

No. Nothing logs in to anything. There are no order buttons.

What happens after three months?

Access ends. Nothing renews or charges automatically. Pay again if you want the next three months.

Which days is it live?

Every trading day for both indices, from 14:45 to the 15:30 print, exchange holidays excepted. Every session is also recorded and replayable.

46
sessions recorded, minute by minute
15 s
between readings
5
strikes averaged around the money (K±2)
0
order buttons