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NIFTY Fin Service

NSE: FINNIFTYLot size: 65Weekly Tuesday expiry

NIFTY Fin Service Option Chain

₹26013.00Updated 19 Aug 2026, 03:30 pm IST
2026-08-252026-09-292026-10-27
Total CE OI
11.6 L
Total PE OI
7.8 L
PCR
0.67Bearish
CE OIChgVolIVLTPStrikeLTPIVVolChgPE OI
00——%₹—22,000₹——%—00
00——%₹—22,500₹——%—00
00——%₹—22,600₹——%—00
00——%₹—22,700₹——%—00
00——%₹—22,800₹——%—00
00——%₹—22,900₹——%—00
00——%₹—23,000₹——%—0240
00——%₹—23,100₹——%—00
00——%₹—23,200₹——%—00
00——%₹—23,300₹——%—00
00——%₹—23,400₹——%—00
00——%₹—23,500₹——%—03K
00——%₹—23,600₹——%—0180
00——%₹—23,700₹——%—+60240
00——%₹—23,800₹——%—+600900
00——%₹—23,850₹——%—-180540
00——%₹—23,900₹——%—-180720
00——%₹—23,950₹——%—-60360
00——%₹—24,000₹——%—+1K11K
00——%₹—24,050₹——%—0360
00——%₹—24,100₹——%—+1K4K
00——%₹—24,150₹——%—+360720
00——%₹—24,200₹——%—-6K6K
00——%₹—24,250₹——%—-240540
00——%₹—24,300₹——%—-1206K
00——%₹—24,350₹——%—0180
00——%₹—24,400₹——%—+1K5K
00——%₹—24,450₹——%—06K
00——%₹—24,500₹——%—+7K39K
00——%₹—24,550₹——%—+180840
00——%₹—24,600₹——%—+5K6K
00——%₹—24,650₹——%—+240540
00——%₹—24,700₹——%—+2K6K
6000——%₹—24,750₹——%—0660
00——%₹—24,800₹——%—+4K5K
00——%₹—24,850₹——%—0540
00——%₹—24,900₹——%—+7802K
00——%₹—24,950₹——%—-300420
1200——%₹—25,000₹——%—+27K67K
00——%₹—25,050₹——%—-900780
00——%₹—25,100₹——%—00
00——%₹—25,150₹——%—02K
00——%₹—25,200₹——%—00
600——%₹—25,250₹——%—00
1200——%₹—25,300₹——%—-4K13K
00——%₹—25,350₹——%—00
00——%₹—25,400₹——%—00
00——%₹—25,450₹——%—+1K9K
2400——%₹—25,500₹——%—+8K30K
00——%₹—25,550₹——%—00
00——%₹—25,600₹——%—+5K21K
4200——%₹—25,650₹——%—00
00——%₹—25,700₹——%—+6K27K
360+240——%₹—25,750₹——%—+1K18K
780+360——%₹—25,800₹——%—+3K40K
4200——%₹—25,850₹——%—+2K14K
3K+900——%₹—25,900₹——%—-11K27K
4K+2K——%₹—25,950₹——%—+2K11K
25K+16K——%₹—26,000ATM₹——%—-11K64K
4K+3K——%₹—26,050₹——%—-2K6K
17K+5K——%₹—26,100₹——%—-6K20K
7K+2K——%₹—26,150₹——%—-1K5K
75K+19K——%₹—26,200₹——%—-14K46K
7K-600——%₹—26,250₹——%—-1805K
42K+2K——%₹—26,300₹——%—-1K32K
6K-660——%₹—26,350₹——%—-3603K
73K+5K——%₹—26,400₹——%—-3K41K
11K+5K——%₹—26,450₹——%—-1K3K
1.1 L+6K——%₹—26,500₹——%—-78031K
9K-1K——%₹—26,550₹——%—05K
22K+660——%₹—26,600₹——%—-12011K
8K+660——%₹—26,650₹——%—02K
44K-2K——%₹—26,700₹——%—031K
13K+3K——%₹—26,750₹——%—023K
30K-840——%₹—26,800₹——%—013K
22K+5K——%₹—26,850₹——%—05K
38K-780——%₹—26,900₹——%—011K
13K+2K——%₹—26,950₹——%—02K
94K-15K——%₹—27,000₹——%—-6018K
12K-2K——%₹—27,050₹——%—03K
27K-3K——%₹—27,100₹——%—03K
9K0——%₹—27,150₹——%—01K
59K+19K——%₹—27,200₹——%—01K
9K+60——%₹—27,250₹——%—0840
1.8 L-8K——%₹—27,300₹——%—03K
12K+60——%₹—27,350₹——%—0780
4K0——%₹—27,400₹——%—0780
360+60——%₹—27,450₹——%—0360
68K-6K——%₹—27,500₹——%—0720
2K0——%₹—27,550₹——%—0300
43K+2K——%₹—27,600₹——%—0420
960-120——%₹—27,650₹——%—0180
3600——%₹—27,700₹——%—0660
00——%₹—27,750₹——%—0480
1K-240——%₹—27,800₹——%—0840
00——%₹—27,850₹——%—0540
600——%₹—27,900₹——%—0480
60-120——%₹—27,950₹——%—0480
5K-660——%₹—28,000₹——%—060
60-60——%₹—28,050₹——%—00
3000——%₹—28,100₹——%—00
2K0——%₹—28,150₹——%—00
3000——%₹—28,200₹——%—00
660-360——%₹—28,250₹——%—00
2K0——%₹—28,300₹——%—00
2K0——%₹—28,400₹——%—00
18K-4K——%₹—28,500₹——%—00
1200——%₹—28,600₹——%—00
2400——%₹—28,700₹——%—00
1200——%₹—28,800₹——%—00
2400——%₹—28,900₹——%—00
2400——%₹—29,000₹——%—00
00——%₹—29,100₹——%—00
1200——%₹—29,200₹——%—00
00——%₹—29,300₹——%—00
00——%₹—29,400₹——%—00
00——%₹—29,500₹——%—00
00——%₹—29,600₹——%—00
27K-7K——%₹—30,000₹——%—00

Bold CE OI = highest call writing (resistance). Bold PE OI = highest put writing (support). ATM = at-the-money.

AI AnalysisGenerated daily after market close · AI-powered

Key Strike Levels

The open‑interest (OI) landscape clusters around the 27,300 CE and 25,000 PE strikes, forming a clear resistance‑support band that frames the current market range. With spot at 26,013 ₹, the resistance sits roughly 1,300 ₹ above, while support lies about 1,000 ₹ below, suggesting that most participants are positioning within a ±5 % corridor of the index. The concentration of OI at these two strikes implies that any decisive move beyond them will likely trigger a rapid reallocation of contracts.

OI Buildup Activity

During the latest roll‑over, the 26,200 CE strike accrues an additional 19,320 contracts, followed closely by 27,200 CE (+18,900) and 26,000 CE (+15,960), indicating that option writers are reinforcing call exposure near the upper bound of the range. On the put side, the 25,000 PE strike sees the biggest inflow with +27,180 contracts, with supporting additions at 25,500 PE (+8,460) and 24,500 PE (+7,380), pointing to a buildup of downside protection around the lower bound. These fresh OI additions reflect a balanced stance where market makers are gearing up to hedge both potential upside breaches and downside dips.

Volatility Read

The at‑the‑money implied volatility (IV) registers at 0 %, signaling an unusually calm pricing environment and a lack of premium for directional risk. The observed skew is bearish, with put IV modestly higher than call IV, indicating that market participants price a slightly greater probability of a move toward the support zone.

Key OI Levels

The highest open‑interest concentrations sit at the 27,300 call (1,77,120 contracts) and the 25,000 put (66,960 contracts) strikes.

Frequently Asked Questions

What is the highest call OI strike for NIFTY Fin Service today?
The strike with highest call (CE) open interest for NIFTY Fin Service is ₹27,300 for the 2026-08-25 expiry. This acts as a key resistance level since call writers will defend this strike aggressively near expiry.
What is the highest put OI strike for NIFTY Fin Service today?
The strike with highest put (PE) open interest for NIFTY Fin Service is ₹25,000 for the 2026-08-25 expiry. This acts as a key support level — put writers will tend to defend this level near expiry.
What does OI buildup in NIFTY Fin Service options mean?
Open Interest (OI) buildup in NIFTY Fin Service options shows how many net new contracts are being created at each strike. Rising OI at a strike means fresh positions (writers or buyers). Rising OI with rising price = long buildup (bullish); rising OI with falling price = short buildup (bearish).
When does NIFTY Fin Service options expire?
NIFTY Fin Service options have their nearest expiry on 2026-08-25. NSE F&O stocks have monthly expiry contracts — typically the last Tuesday of each month. MarketNetra shows data for the nearest two expiries.
How to read NIFTY Fin Service option chain?
The NIFTY Fin Service option chain shows calls (CE) on the left and puts (PE) on the right for each strike price. Key columns: OI (total open contracts), OI Change (new positions today), Volume (today's trades), IV (implied volatility — higher = more uncertainty), and LTP (last traded price). The ATM (at-the-money) strike is highlighted in blue.