TBTflow / F&O data / IDEA futures
IDEA · VODAFONE IDEA LIMITED · NSE futures · end of day

IDEA futures today, 23 Oct 2026: long unwinding, OI -1.5 %

As of Friday 23 October 2026, from the exchange's official end-of-day F&O file.

IDEA NSE futures (near month, expiry 27 October 2026) closed at ₹11.36, ▼ 1.73 % on the day. Open interest across all months fell 1.52 % to 644.52 Cr — long unwinding: price down and open interest down: positions were closed while price fell, the pattern of buyers selling out.

Build-up
Long unwinding
price ▼ 1.73 % · OI ▼ 1.52 %
Open interest, 20 sessions
Lowest
644.52 Cr all months
Contracts vs 20-day average
2.6×
42.5K contracts
Price in its 20-session range
0 %
0 % = ₹11.36 · 100 % = ₹14.24
IDEA futures: price and open interest, last 20 sessionsAs of 23 October 2026
Top: near-month close. Bottom: open interest of all months together. The letters are each day's build-up: LB long build-up, SC short covering (price up), SB short build-up, LU long unwinding (price down); blank = no clear build-up.

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Near, next and far month

Contract
expiry · contracts
Close
change
Open interest
change
Near month
27 Oct · 22.0K contracts
11.36
▼ 1.73 %
283.86 Cr
−131.40 Cr
Next month
23 Nov · 20.2K contracts
11.43
▼ 1.72 %
355.54 Cr
+120.13 Cr
Far month
29 Dec · 286 contracts
11.50
▼ 2.04 %
5.12 Cr
+1.29 Cr

Rollover

56.0 % of IDEA's futures open interest sits in the months after the 27 October 2026 expiry, 4 days before it. Over the last 2 finished cycles it was 51.2 % at the same point, so the roll is ahead of usual.

IDEA rollover: share of open interest in later months, by days to expiryAs of 23 October 2026
This cycle (expiry 27 Oct)Average of the last 2 cycles
Roll % = open interest in the months after the nearest expiry ÷ open interest in all months. It climbs every cycle as positions are carried forward before expiry.

Futures premium

The near-month future closed 0.00 rupees above the share (≈ 0 %).

IDEA futures premium over the share, last 20 sessionsAs of 23 October 2026
Near-month futures close minus the underlying's close, as the exchange file gives it. Above zero = futures dearer than the underlying. It shrinks towards zero into expiry.

Last 20 sessions

SessionClose
change
OI
all months · change
Build-up
23 Oct11.36
▼ 1.73 %
644.52 Cr
▼ 1.52 %
Long unwinding
22 Oct11.56
▼ 0.86 %
654.50 Cr
▼ 0.21 %
No clear
21 Oct11.66
▼ 5.28 %
655.85 Cr
▼ 0.40 %
No clear
19 Oct12.31
▼ 2.46 %
658.46 Cr
▲ 0.26 %
No clear
16 Oct12.62
▼ 0.08 %
656.76 Cr
▲ 0.20 %
No clear
15 Oct12.63
▼ 0.86 %
655.44 Cr
▲ 0.58 %
Short build-up
14 Oct12.74
▼ 0.78 %
651.64 Cr
▲ 0.22 %
No clear
13 Oct12.84
▲ 1.02 %
650.24 Cr
▼ 0.23 %
No clear
12 Oct12.71
▼ 2.23 %
651.74 Cr
▼ 0.06 %
No clear
9 Oct13.00
▲ 1.33 %
652.13 Cr
▼ 0.63 %
Short covering
8 Oct12.83
▼ 2.73 %
656.26 Cr
▼ 0.55 %
Long unwinding
7 Oct13.19
▼ 0.38 %
659.88 Cr
▼ 0.32 %
No clear
6 Oct13.24
▲ 3.12 %
662.00 Cr
▼ 0.02 %
No clear
5 Oct12.84
▲ 1.10 %
662.13 Cr
▼ 0.14 %
No clear
1 Oct12.70
▼ 2.16 %
663.08 Cr
▼ 0.19 %
No clear
30 Sep12.98
▼ 4.42 %
664.35 Cr
▼ 2.96 %
Long unwinding
29 Sep13.51
▲ 0.07 %
684.64 Cr
▲ 1.34 %
No clear
28 Sep13.50
▼ 5.20 %
675.62 Cr
▲ 0.83 %
Short build-up
25 Sep14.24
▲ 0.71 %
670.04 Cr
▲ 0.42 %
No clear
24 Sep14.14
▼ 2.62 %
667.27 Cr
▲ 1.06 %
Short build-up

All F&O futures pages →

What this page cannot tell you. Open interest and price say how many positions are open and where the day closed. They do not say who holds them, why, or what happens next. A build-up word on one day is common and often reverses.

Quick questions

Is IDEA futures showing long build-up or short build-up today?
On 23 October 2026 IDEA futures showed long unwinding: price down 1.73 %, open interest of all months down 1.52 %. That is price down and open interest down: positions were closed while price fell, the pattern of buyers selling out.
What is the IDEA futures rollover?
56.0 % of IDEA's futures open interest sits in the months after the 27 October 2026 expiry, 4 days before it. Over the last 2 finished cycles it was 51.2 % at the same point, so the roll is ahead of usual.
How is the build-up word decided?
From the exchange's day-end file: the near-month close against its previous close, and the open interest of all months together against the previous session. Both must move enough (price 0.25 %, open interest 0.5 %); the direction pair names the word. It describes the day; it is not a forecast.
IDEA future ka OI aaj kya keh raha hai?
IDEA future 23 October 2026 ko neeche 1.73 % band hua aur saare months ka open interest ghata 1.52 %. Yeh page roz exchange ki official day-end file se banta hai — yeh sirf batata hai kya hua, aage kya hoga yeh nahi.

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