Market report · 23 Oct 2026
Stock market today, 23 Oct 2026. What moved, who bought, what’s next.
On Friday 23 October 2026, NIFTY 50 fell 0.39% to 22,600; 149 stocks rose and 1273 fell; FIIs were net buyers of ₹888 Cr in cash and DIIs net buyers of ₹3,235 Cr; Cement & building materials was the best sector (-1.0%).
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Session recap: options
How each index’s options traded from the open to the close today, for its nearest expiry. Spot every 15 minutes; PCR is the dashed line below.
NIFTY 50 27 Oct expiry
22,600last-0.61%0.72PCR0.77 at open14.7%ATM IV14.6–16.7% today22,700max painwas 22,800
- Opened 22,738, high 22,782 at 09:17, low 22,379 at 12:52, last 22,600 (-0.61% from the open, a 1.77% range). It finished mid-range.
- PCR 0.77 → 0.72: call writing outpaced put writing through the day.
- Gamma walls, the strikes with the most option gamma above and below the price: call side 23,000 → 22,700, put side 22,600 → 22,500. The zone option sellers are defending moved lower during the day.
- At-the-money IV 14.8% → 14.7%, straddle 289 → 277 (-4%): most of the fall in premium was time decay and the move, not volatility.
- It closed above the gamma flip at 22,526. Above it, option dealers’ hedging tends to dampen moves; a break below it tends to make moves larger.
BANK NIFTY 27 Oct expiry
54,287last-1.07%0.89PCR0.98 at open15.9%ATM IV15.8–18.0% today55,000max painwas 55,400
- Opened 54,876, high 54,876 at 09:15, low 53,951 at 13:17, last 54,287 (-1.07% from the open, a 1.69% range). It finished mid-range.
- PCR 0.98 → 0.89: call writing outpaced put writing through the day.
- Gamma walls, the strikes with the most option gamma above and below the price: call side 55,000 (unchanged), put side 54,500 → 54,000. The zone option sellers are defending moved lower during the day.
- At-the-money IV 16.6% → 15.9%, straddle 782 → 721 (-8%): option premiums cheapened as volatility eased.
- It closed above the gamma flip at 54,240. Above it, option dealers’ hedging tends to dampen moves; a break below it tends to make moves larger.
FINNIFTY 27 Oct expiry
24,403last-0.89%0.77PCR0.76 at open16.9%ATM IV16.8–19.6% today24,700max painwas 24,900
- Opened 24,622, high 24,674 at 09:17, low 24,220 at 13:17, last 24,403 (-0.89% from the open, a 1.85% range). It finished mid-range.
- PCR 0.76 → 0.77: puts and calls were added at a similar pace.
- Gamma walls, the strikes with the most option gamma above and below the price: call side 25,000 → 24,500, put side 24,600 → 24,400. The zone option sellers are defending moved lower during the day.
- At-the-money IV 17.4% → 16.9%, straddle 379 → 348 (-8%): option premiums cheapened as volatility eased.
- It closed above the gamma flip at 24,369. Above it, option dealers’ hedging tends to dampen moves; a break below it tends to make moves larger.
SENSEX 29 Oct expiry
73,124last-0.67%0.81PCR0.98 at open16.8%ATM IV16.5–18.0% today73,200max painwas 73,500
- Opened 73,619, high 73,747 at 09:17, low 72,473 at 12:52, last 73,124 (-0.67% from the open, a 1.73% range). It finished mid-range.
- PCR 0.98 → 0.81: call writing outpaced put writing through the day.
- Gamma walls, the strikes with the most option gamma above and below the price: call side 74,000 → 73,500, put side 73,500 → 73,000. The zone option sellers are defending moved lower during the day.
- At-the-money IV 16.8% → 16.8%, straddle 1,291 → 1,262 (-2%): most of the fall in premium was time decay and the move, not volatility.
- It closed above the gamma flip at 72,829. Above it, option dealers’ hedging tends to dampen moves; a break below it tends to make moves larger.
Market
Breadth, sectors and strength.
NIFTY 5022,600-0.39%
Advances / declines149 / 1273of 1,423 stocks
Above 200-day average34%above 50-day: 11%
New highs / lows4 / 25552-week, closing basis
- Best sectors today: Cement & building materials -1.0%, Pharma & healthcare -1.1%, Textiles -1.2%
- Weakest: Utilities -3.9%, Construction -3.2%, Capital goods -3.2%
- Rotation, leading: Financial services, Pharma & healthcare, FMCG, Consumer Services, Cement & building materials, Services, Oil & gas, IT, Consumer durables, Textiles, Telecom, Media
- Rotation, improving: Realty, Power, Metal, Auto
- Rotation, lagging: Chemicals, Capital goods, Construction, Utilities
- 138 stocks have an RS rating of 90+; 11 have their RS line at a new high: Steel Strips Wheels, Sky Gold And Diamonds, Kross, SG Mart, Manomay Tex India.
Smart money
Who bought, who sold, and how much was delivered.
FII net (cash)₹888 Crbought
DII net (cash)₹3,235 Crbought
FII index futures long10%+0 pts in a week
Big-buyer days6236 stocks on a 3-in-10 streak
- 62 big-buyer days (delivery 3× normal or more): TEXINFRA 9.1× (-3.5%), Punjab & Sind Bank 8.1× (-10.5%), GSP Crop Science 7.8× (-4.0%), Signatureglobal (India) 7.4× (-0.3%), Kalpataru 7.0× (-2.5%).
- 2 stocks showed institutional-buying signs together: Sai Parenterals +2.3%, SG Mart +5.3%.
- 117 bulk and block deals; largest outside HFT firms: Tonbo Imaging India Ltd: Yali Deeptech Fund I sell ₹257 Cr; Sahajanand Medical Tech L: Invesco Mutual Fund buy ₹104 Cr; Tonbo Imaging India Ltd: Bajaj Life Insurance Limited buy ₹102 Cr; Tonbo Imaging India Ltd: Buoyant Capital Private Limited buy ₹62 Cr.
- Short selling disclosed for 22 Oct: 99 stocks; most shorted TTML, NMDC, Vedanta, Steel Authority of India.
FII/DII data →Institutional buying →Bulk & block deals →High delivery →
F&O
Futures build-up, options positioning and the ban list.
Long build-up32stocks
Short build-up72stocks
NIFTY PCR0.88higher than 37% of days
NIFTY max pain22,850spot 22,688
- Biggest long build-up: Sagility OI +7.8%, SRF OI +6.2%, Federal Bank OI +4.3%, Indus Towers OI +3.3%, BPCL OI +3.0%.
- Biggest short build-up: Swiggy OI +12.7%, Siemens Energy India OI +12.4%, Nippon Life India AMC OI +9.6%, KPIT Technologies OI +9.3%, Oberoi Realty OI +7.9%.
- Longest streaks: Fortis Healthcare 6 days of short build-up, Adani Green 5 days of short build-up, Colgate Palmolive 5 days of short build-up, GE Vernova T&D India 5 days of short build-up.
- In the F&O ban for the next session: AMBUJACEM, KAYNES, SAIL.
Corporate actions, IPOs & surveillance
- Coming ex-dates: Hexaware Technologies 26 Oct dividend (1.6% yield); L&T Technology Services 27 Oct dividend (0.5% yield); Nippon Life India AMC 28 Oct dividend (1.0% yield); CHENNPETRO 30 Oct dividend (1.7% yield).
- IPOs open or upcoming: Paras Healthcare Limited (21 Oct–23 Oct, ₹660 to ₹693); Jio Platforms Limited (21 Oct–23 Oct, ₹1065 to ₹1119); M. K. Sons Fine Jewels Limited (28 Oct–30 Oct, ₹153 to ₹162); SFC Environmental Technologies Limited (27 Oct–29 Oct, ₹313 to ₹330); BLS Polymers Limited (27 Oct–29 Oct, ₹142 to ₹150).
- Under NSE surveillance: 138 long-term ASM, 56 short-term ASM, 77 GSM. New today: 21st Century Management Serv, Turtlemint Fintech Solutions, Volercar, DCM Shriram Industries, GENCON, Lagnam Spintex. Out: BMWVENTLTD, BNAGROCHEM, GSLSU, Indiabulls, ONWARDTEC, PRISMX.
Tomorrow, 26 Oct
What is on the calendar for the next session.
- 58 board meetings on Monday 26 Oct: Aavas Financiers (results), Aditya Birla Real Estate (results), AceVector Limited (results), Aegis Logistics (results), Aegis Vopak Terminals (results), Aequs (results), Antelopus Selan Energy (results), APL Apollo Tubes (results), Astec LifeSciences (results), Ather Energy (results), Avantel (results), Brigade Hotel Ventures Limited (results), Cyber Media (India) Limited (results), Dalmia Bharat (results), DCM Shriram (results), Deepa Jewellers Limited (results), Dhanlaxmi Bank (results), DRC Systems India Limited (results), Eris Lifesciences (results), Everest Industries Limited (results)….
- Going ex-date: Hexaware Technologies (dividend).
- F&O ban: AMBUJACEM, KAYNES, SAIL.
Compiled automatically from NSE’s daily files and company filings. Information and education only, not investment advice; ChartMine is not a SEBI-registered adviser.