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Expiry brief · Monday, 19 October 2026

What the NIFTY option chain is pricing today, in numbers a trader can act on: the straddle as the expected move, volatility, skew, and four structures priced live. Written by the server at fixed times, every trading day.

Scheduled today

ISTRELEASEACTUAL / FCST
18:00🇨🇦highCPI m/m0.2%
18:00🇨🇦highMedian CPI y/y2.0%
18:00🇨🇦highTrimmed CPI y/y1.9%

Full week on the economic calendar →

At the open · 09:20 IST

Taken 09:20 IST · LIVE

NIFTY spot23,148.45
+0.01% today
23150 straddle · 19 Oct₹137.50
64.50 CE + 73.00 PE
Implied move±0.59%
±138 pts · 0.3 days
Expected range23,011 – 23,286
spot ± straddle
ATM IV28.1%
skew +3.0 pts
India VIX14.35
PCR · max pain0.84 · 23,100
OI walls23,000 / 23,200
put floor / call ceiling

NIFTY is at 23,148.45, +0.01% on the day. The 23150 straddle for the 19 Oct expiry costs ₹137.50 (64.50 call + 73.00 put), which is the market pricing a one-standard-deviation move of about ±138 points, ±0.59%, over the 0.3 days to expiry. Read that as the expected range: 23,011 to 23,286. Roughly two expiries in three should finish inside it; the third is where the money is made and lost.

India VIX at 14.35 is in its ordinary range: premium is fairly priced, and the edge comes from structure and sizing rather than from volatility being mispriced. Skew is steep (+3.0 IV points, puts over calls two strikes out): the crowd is paying for downside, so put spreads are richer to sell than call spreads.

Priced off this chain, an iron condor collects ₹2,334 a lot with a maximum loss of ₹4,166 and breakevens at 23,014 / 23,286. The short strangle underneath it collects ₹4,066 — ₹1,732 more — for a loss that has no ceiling. That difference is the price of sleeping through a gap; decide whether it is worth paying before the market decides for you.

On the other side, the long straddle costs ₹8,938 a lot and needs NIFTY beyond 23,012 or 23,288 at expiry to pay. It bleeds about ₹17,412 a day in time value right now. Buy it only if you expect the market to move more than it is charging for — and know why.

Open interest across the loaded strikes: the largest call open interest above spot sits at 23,200 — the strike writers are defending as resistance; the largest put open interest below sits at 23,000, the floor.

Elsewhere: BANKNIFTY 55,660 with a straddle of ₹998 (±1.79%, expiry 27 Oct); SENSEX 74,715 with a straddle of ₹830 (±1.11%, expiry 22 Oct).

Strategies priced off this chain · NIFTY · lot 65

Structure · legs (per share)Net / lotMax profitMax lossBreakevens
Iron condor
−1 23050 PE @ 34.35 · +1 22950 PE @ 15.10 · −1 23250 CE @ 28.20 · +1 23350 CE @ 11.55
credit ₹2,334₹2,334₹4,16623,014 / 23,286
Short strangle
−1 23250 CE @ 28.20 · −1 23050 PE @ 34.35
credit ₹4,066₹4,066unlimited22,988 / 23,312
Long straddle
+1 23150 CE @ 64.50 · +1 23150 PE @ 73.00
debit ₹8,938unlimited₹8,93823,012 / 23,288
Bull call spread
+1 23150 CE @ 64.50 · −1 23250 CE @ 28.20
debit ₹2,360₹4,140₹2,36023,186

Re-price any of these live in the builder →

BANKNIFTY and SENSEX

BANKNIFTY55,659.60
55700 straddle · 27 Oct₹998.00
±1.79% · 8.3 days
ATM IV14.9%
SENSEX74,715.11
74700 straddle · 22 Oct₹830.05
±1.11% · 3.3 days
ATM IV14.7%
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Why the straddle is the expected move — Finch, chapter 6 →

The expiry brief is generated by Finostat's server from its live option chains at fixed times and written up from templates; it is education and market description, not a recommendation. Prices are indicative and can be stale. Derivatives can lose more than you put in. Finostat is not a SEBI-registered adviser.