NSE & BSE Indices Futures and Options Open Interest Volume Analysis for 25/08/2026

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Open Interest Volume Analysis

Today’s Open Interest Volume Analysis for August 25, 2026, reveals a textbook bullish setup. We are seeing massive fresh long buildups across the board, backed by expanding futures premiums that signal high institutional confidence. Instead of guessing the market’s next move, let’s dive right into what the derivative data is actually telling us:

Nifty is Flexing Serious Muscle: We are looking at a massive ~34% spike in combined futures Open Interest alongside a 32-point premium jump in the September contract. This screams “Fresh Longs.” Plus, with the Put-Call Ratio (PCR) climbing to 1.159 and aggressive put writers building a fortress at 24,200, the bulls have a very comfortable cushion beneath them.

BankNifty’s High-Stakes Standoff: While Nifty trends, BankNifty is caught in an intense tug-of-war exactly at the 57,500 mark. Both Call and Put writers have piled their maximum OI right at this strike, creating a massive straddle zone. However, the staggering 328-point premium in September futures suggests that the broader underlying bias is still looking upward.

Sensex Short-Covering Squeeze: Ahead of its August 27 expiry, Sensex is witnessing classic short covering. Futures OI has dropped by nearly 14% while prices rose, and the PCR has violently shifted from 0.771 to a highly bullish 1.429. Bears are scrambling to cover, and put writers are aggressively defending the 77,500 zone.

NSE & BSE F&O Market Signals

NIFTY Future analysis

NIFTY Spot closed at: 24334.55 (0.477%)

Combined = September + October + November

Combined Fut Open Interest Change: 33.96%

Combined Fut Volume Change: 34.51%

Combined Fut Open Interest Analysis: Fresh Long

Rollover: 8% Previous 8%

NIFTY SEPTEMBER Future closed at: 24471.7 (0.607%)

Sep Fut Premium 137.15 (Increased by 32.1 points)

Sep Fut Open Interest Change: 34.09%

Sep Fut Volume Change: 31.53%

Sep Fut Open Interest Analysis: Fresh Long

NIFTY OCTOBER Future closed at: 24590.4 (0.608%)

Oct Fut Premium 255.85 (Increased by 33 points)

Oct Fut Open Interest Change: 32.50%

Oct Fut Volume Change: 84.50%

Oct Fut Open Interest Analysis: Fresh Long

NIFTY Weekly Expiry (01/09/2026) Option Analysis

Put-Call Ratio (Open Interest): 1.159 (Increased from 0.908)

Put-Call Ratio (Volume): 0.916

Max Pain Level: 24300

Maximum CALL Open Interest: 24500

Maximum PUT Open Interest: 24200

Highest CALL Addition: 24500

Highest PUT Addition: 24200

NIFTY Monthly Expiry (29/09/2026) Option Analysis

Put-Call Ratio (Open Interest): 1.237 (Increased from 1.233)

Put-Call Ratio (Volume): 0.978

Max Pain Level: 24500

Maximum CALL Open Interest: 25000

Maximum PUT Open Interest: 24000

Highest CALL Addition: 24000

Highest PUT Addition: 24000

BANKNIFTY Future Analysis

BANKNIFTY Spot closed at: 57514.2 (-0.020%)

Combined = September + October + November

Combined Fut Open Interest Change: 37.74%

Combined Fut Volume Change: 12.57%

Combined Fut Open Interest Analysis: Fresh Short

Rollover: 5% Previous 6%

BANKNIFTY SEPTEMBER Future closed at: 57842.2 (0.149%)

Sep Fut Premium 328 (Increased by 97.55 points)

Sep Fut Open Interest Change: 38.5%

Sep Fut Volume Change: 13.1%

Sep Fut Open Interest Analysis: Fresh Long

BANKNIFTY OCTOBER Future closed at: 58178.6 (0.158%)

Oct Fut Premium 664.4 (Increased by 103.75 points)

Oct Fut Open Interest Change: 24.78%

Oct Fut Volume Change: 2.57%

Oct Fut Open Interest Analysis: Fresh Long

BANKNIFTY Monthly Expiry  (29/09/2026) Option Analysis

Put-Call Ratio (Open Interest): 1.153 (Decreased from 1.238)

Put-Call Ratio (Volume): 0.801

Max Pain Level: 57500

Maximum CALL Open Interest: 57500

Maximum PUT Open Interest: 57500

Highest CALL Addition: 57500

Highest PUT Addition: 57500

MIDCPNIFTY Future Analysis

MIDCPNIFTY Spot closed at: 15000.9 (0.687%)

Combined = September + October + November

Combined Fut Open Interest Change: 21.97%

Combined Fut Volume Change: 9.13%

Combined Fut Open Interest Analysis: Fresh Long

Rollover: 2% Previous 2%

MIDCPNIFTY SEPTEMBER Future closed at: 15035.6 (0.932%)

Sep Fut Premium 34.7 (Increased by 36.4 points)

Sep Fut Open Interest Change: 21.84%

Sep Fut Volume Change: 7.45%

Sep Fut Open Interest Analysis: Fresh Long

MIDCPNIFTY OCTOBER Future closed at: 15095.6 (0.925%)

Oct Fut Premium 94.7 (Increased by 35.9 points)

Oct Fut Open Interest Change: 29.57%

Oct Fut Volume Change: 160.00%

Oct Fut Open Interest Analysis: Fresh Long

MIDCPNIFTY Monthly Expiry (29/09/2026) Option Analysis

Put-Call Ratio (Open Interest): 1.232 (Decreased from 1.661)

Put-Call Ratio (Volume): 0.973

Max Pain Level: 15000

Maximum CALL Open Interest: 15000

Maximum PUT Open Interest: 15000

Highest CALL Addition: 16000

Highest PUT Addition: 14900

SENSEX Monthly Expiry (27/08/2026) Future

SENSEX Spot closed at: 77,656.09 (0.371%)

SENSEX Monthly Future closed at: 77,839.00 (0.468%)

Premium: 182.91 (Increased by 75.57 points)

Open Interest Change: -13.92%

Volume Change: 90.30%

Open Interest Analysis: Short Covering

SENSEX Weekly Expiry (27/08/2026) Option Analysis

Put-Call Ratio (OI): 1.429 (Increased from 0.771)

Put-Call Ratio (Volume): 0.976

Max Pain Level: 77600

Maximum CALL OI: 78000

Maximum PUT OI: 77500

Highest CALL Addition: 78000

Highest PUT Addition: 77000

fII & DII Cash Market Activity

FIIs Net BUY: ₹ 1,593.53 Cr.

DIIs Net BUY: ₹ 230.26 Cr.

FII Derivatives Activity

FII Trading Stats25.08.2624.08.2621.08.26
FII Cash (Provisional Data)1,593.531,181.66-542.71
    
Index Future Open Interest Long Ratio10.29%9.90%9.95%
Index Future Volume Long Ratio45.15%46.83%51.25%
Call Option Open Interest Long Ratio38.52%44.66%42.37%
Call Option Volume Long Ratio50.57%50.11%50.23%
Put Option Open Interest Long Ratio75.23%66.62%63.39%
Put Option Volume Long Ratio49.72%50.70%49.87%
Stock Future Open Interest Long Ratio54.79%55.20%55.14%
Stock Future Volume Long Ratio52.30%50.03%50.17%
    
Index FuturesLong CoveringFresh ShortFresh Long
Index OptionsShort CoveringFresh LongFresh Long
    
Nifty FuturesLong CoveringFresh ShortFresh Long
Nifty OptionsShort CoveringFresh LongFresh Long
    
BankNifty FuturesLong CoveringLong CoveringShort Covering
BankNifty OptionsLong CoveringFresh ShortFresh Short
    
FinNifty FuturesShort CoveringFresh ShortFresh Short
FinNifty OptionsLong CoveringLong CoveringFresh Long
    
MidcpNifty FuturesShort CoveringShort CoveringFresh Short
MidcpNifty OptionsLong CoveringFresh LongFresh Long
    
NiftyNxt50 FuturesLong CoveringFresh ShortLong Covering
NiftyNxt50 OptionsShort CoveringFresh LongFresh Long
    
Stock FuturesShort CoveringShort CoveringFresh Long
Stock OptionsLong CoveringLong CoveringLong Covering

NSE & BSE Option market Trends : Options Insights

SENSEX weekly Expiry (27/08/2026)

The SENSEX index closed at 77656.09. The SENSEX weekly expiry for AUGUST 27, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 1.429 against previous 0.771. The 77500PE option holds the maximum open interest, followed by the 77000PE and 75000PE options. Market participants have shown increased interest with significant open interest additions in the 77000PE option, with open interest additions also seen in the 77500PE and 75000PE options. On the other hand, open interest reductions were prominent in the 77700CE, 77600CE, and 77500CE options. Trading volume was highest in the 77300PE option, followed by the 77200PE and 77500CE options, indicating active trading in these strikes.

SENSEXWeeklyExpiry:27-08-2026
Index SpotPCR OIPrev PCR OIPCR VOL
77656.091.4290.7710.976
Total Open Interest Change in all CALLs & PUTs:
 CurrentPriorNet Ch
CALL:  1,66,97,520    1,50,88,240           16,09,280
PUT:  2,38,58,560    1,16,26,740        1,22,31,820
Top CALL Open Interest:
StrikeOIOI ChangeVolume
78000      13,87,920          4,45,100        2,08,36,520
79000      11,67,080          4,28,100        1,01,54,020
Top CALL Open Interest addition:
StrikeOIOI ChangeVolume
78000      13,87,920          4,45,100        2,08,36,520
79000      11,67,080          4,28,100        1,01,54,020
Top CALL Open Interest reduction:
StrikeOIOI ChangeVolume
77700        4,93,660        -4,20,840        1,53,49,840
77600        3,98,060        -2,89,120        1,53,83,860
Top CALL Volume:
StrikeOIOI ChangeVolume
77500        8,42,520        -2,81,200        2,52,01,140
78000      13,87,920          4,45,100        2,08,36,520
Top PUT Open Interest:
StrikeOIOI ChangeVolume
77500      17,35,280        10,30,500        2,02,25,040
77000      16,32,740        10,66,620        2,14,99,920
Top PUT Open Interest addition:
StrikeOIOI ChangeVolume
77000      16,32,740        10,66,620        2,14,99,920
77500      17,35,280        10,30,500        2,02,25,040
Top PUT Open Interest reduction:
StrikeOIOI ChangeVolume
70000        1,56,300        -1,09,420              4,90,460
72000        2,04,660            -60,940           11,09,980
Top PUT Volume:
StrikeOIOI ChangeVolume
77300      11,47,920          5,49,700        2,81,88,860
77200      10,45,600          6,71,540        2,62,71,260

NIFTY Weekly Expiry (1/09/2026)

The NIFTY index closed at 24334.55. The NIFTY weekly expiry for SEPTEMBER 1, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 1.159 against previous 0.908. The 24200PE option holds the maximum open interest, followed by the 24500CE and 25000CE options. Market participants have shown increased interest with significant open interest additions in the 24200PE option, with open interest additions also seen in the 24100PE and 23400PE options. On the other hand, open interest reductions were prominent in the 22600PE, 22450PE, and 22400PE options. Trading volume was highest in the 24200PE option, followed by the 24200CE and 24100PE options, indicating active trading in these strikes.

NIFTYWeekly Expiry:01-09-2026
 Index Spot PCR OI Prev PCR OI PCR VOL
         24,334.55                1.159                  0.908               0.916
 Total Open Interest Change in all CALLs & PUTs:
  Current Prior Net Ch
 CALL:    6,98,83,255      4,90,37,625   2,08,45,630
 PUT:    8,09,77,455      4,45,45,735   3,64,31,720
 Top CALL Open Interest: 
 Strike OI OI Change Volume
               24,500       54,65,980         20,44,250         4,47,240
               25,000       52,33,475         15,10,145         2,30,614
 Top CALL Open Interest addition: 
 Strike OI OI Change Volume
               24,500       54,65,980         20,44,250         4,47,240
               24,800       52,08,450         18,94,230         2,51,543
 Top CALL Open Interest reduction: 
 Strike OI OI Change Volume
               24,900       19,48,180              -10,270         2,00,103
               26,450                2,405                      -65                       8
 Top CALL Volume:
 Strike OI OI Change Volume
               24,200       38,20,960            8,51,760         6,01,923
               24,300       37,78,125            3,70,045         4,95,035
 Top PUT Open Interest: 
 Strike OI OI Change Volume
               24,200       73,25,500         48,12,795         7,00,607
               22,000       48,75,195         14,42,545             74,506
 Top PUT Open Interest addition: 
 Strike OI OI Change Volume
               24,200       73,25,500         48,12,795         7,00,607
               24,100       40,28,050         27,87,915         5,15,660
 Top PUT Open Interest reduction: 
 Strike OI OI Change Volume
               22,600          2,32,115              -33,280             13,507
               22,450             42,770              -13,390               2,434
 Top PUT Volume: 
 Strike OI OI Change Volume
               24,200       73,25,500         48,12,795         7,00,607
               24,100       40,28,050         27,87,915         5,15,660

NIFTY Monthly Expiry (29/09/2026)

The NIFTY index closed at 24334.55. The NIFTY monthly expiry for SEPTEMBER 29, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 1.237 against previous 1.233. The 24000PE option holds the maximum open interest, followed by the 25000CE and 24500CE options. Market participants have shown increased interest with significant open interest additions in the 24000PE option, with open interest additions also seen in the 24000CE and 24200CE options. On the other hand, open interest reductions were prominent in the 25700CE, 24400CE, and 24500CE options. Trading volume was highest in the 24500CE option, followed by the 24000PE and 24200PE options, indicating active trading in these strikes.

NIFTY Monthly Expiry:29-09-2026
 Index Spot PCR OI Prev PCR OI PCR VOL
         24,334.55                1.237                  1.233               0.978
 Total Open Interest Change in all CALLs & PUTs:
  Current Prior Net Ch
 CALL:    4,31,43,075      3,99,39,680       32,03,395
 PUT:    5,33,81,500      4,92,47,930       41,33,570
 Top CALL Open Interest: 
 Strike OI OI Change Volume
               25,000       50,80,400            2,68,905             58,830
               24,500       43,88,800              -56,940             76,681
 Top CALL Open Interest addition: 
 Strike OI OI Change Volume
               24,000       27,35,785            5,31,830             36,767
               24,200       20,26,180            4,18,860             51,523
 Top CALL Open Interest reduction: 
 Strike OI OI Change Volume
               25,700          3,08,425          -1,27,140               6,294
               24,400       21,21,600          -1,11,735             34,854
 Top CALL Volume:
 Strike OI OI Change Volume
               24,500       43,88,800              -56,940             76,681
               25,000       50,80,400            2,68,905             58,830
 Top PUT Open Interest: 
 Strike OI OI Change Volume
               24,000       52,99,155            6,06,095             70,772
               23,000       40,47,105            1,99,820             24,670
 Top PUT Open Interest addition: 
 Strike OI OI Change Volume
               24,000       52,99,155            6,06,095             70,772
               24,200       26,07,800            3,71,995             60,634
 Top PUT Open Interest reduction: 
 Strike OI OI Change Volume
               19,500          8,55,075              -51,610               2,975
               24,400       20,01,285              -26,910             30,987
 Top PUT Volume: 
 Strike OI OI Change Volume
               24,000       52,99,155            6,06,095             70,772
               24,200       26,07,800            3,71,995             60,634

BANKNIFTY Monthly Expiry (29/09/2026)

The BANKNIFTY index closed at 57514.2. The BANKNIFTY monthly expiry for SEPTEMBER 29, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 1.153 against previous 1.238. The 57500CE option holds the maximum open interest, followed by the 57500PE and 58000CE options. Market participants have shown increased interest with significant open interest additions in the 57500CE option, with open interest additions also seen in the 57500PE and 58000CE options. On the other hand, open interest reductions were prominent in the 46500PE, 49500PE, and 58600PE options. Trading volume was highest in the 57500CE option, followed by the 57500PE and 58000CE options, indicating active trading in these strikes.

BANKNIFTY Monthly Expiry:29-09-2026
 Index Spot PCR OI Prev PCR OI PCR VOL
         57,514.20                1.153                  1.238               0.801
 Total Open Interest Change in all CALLs & PUTs:
  Current Prior Net Ch
 CALL:       81,26,550         60,09,870       21,16,680
 PUT:       93,70,740         74,42,520       19,28,220
 Top CALL Open Interest: 
 Strike OI OI Change Volume
               57,500       18,13,230            5,14,950             67,767
               58,000       10,19,670            2,81,640             48,050
 Top CALL Open Interest addition: 
 Strike OI OI Change Volume
               57,500       18,13,230            5,14,950             67,767
               58,000       10,19,670            2,81,640             48,050
 Top CALL Open Interest reduction: 
 Strike OI OI Change Volume
               63,900                       –                           –                        –  
               63,900                       –                           –                        –  
 Top CALL Volume:
 Strike OI OI Change Volume
               57,500       18,13,230            5,14,950             67,767
               58,000       10,19,670            2,81,640             48,050
 Top PUT Open Interest: 
 Strike OI OI Change Volume
               57,500       16,96,740            3,14,790             62,874
               58,000          8,32,410            2,61,120             27,509
 Top PUT Open Interest addition: 
 Strike OI OI Change Volume
               57,500       16,96,740            3,14,790             62,874
               58,000          8,32,410            2,61,120             27,509
 Top PUT Open Interest reduction: 
 Strike OI OI Change Volume
               46,500             16,920                    -660                   130
               49,500             25,620                    -480                     56
 Top PUT Volume: 
 Strike OI OI Change Volume
               57,500       16,96,740            3,14,790             62,874
               58,000          8,32,410            2,61,120             27,509

MIDCPNIFTY Monthly Expiry (29/09/2026)

The MIDCPNIFTY index closed at 15000.9. The MIDCPNIFTY monthly expiry for SEPTEMBER 29, 2026, 2025 has revealed key trends in open interest. The current Put/Call Ratio is at 1.232 against previous 1.661. The 15000PE option holds the maximum open interest, followed by the 14000PE and 15000CE options. Market participants have shown increased interest with significant open interest additions in the 14900PE option, with open interest additions also seen in the 16000CE and 14900CE options. On the other hand, open interest reductions were prominent in the 70600CE, 70600CE, and 70600PE options. Trading volume was highest in the 15000CE option, followed by the 14900PE and 14900CE options, indicating active trading in these strikes.

MIDCPNIFTY Monthly Expiry:29-09-2026
 Index Spot PCR OI Prev PCR OI PCR VOL
         15,000.90                1.232                  1.661               0.973
 Total Open Interest Change in all CALLs & PUTs:
  Current Prior Net Ch
 CALL:       11,71,560            6,51,840         5,19,720
 PUT:       14,43,840         10,82,760         3,61,080
 Top CALL Open Interest: 
 Strike OI OI Change Volume
               15,000          3,20,280               79,920               5,122
               16,000          2,66,400            1,33,080               2,386
 Top CALL Open Interest addition: 
 Strike OI OI Change Volume
               16,000          2,66,400            1,33,080               2,386
               14,900          1,70,040               96,240               4,361
 Top CALL Open Interest reduction: 
 Strike OI OI Change Volume
               16,400                       –                           –                        –  
               16,400                       –                           –                        –  
 Top CALL Volume:
 Strike OI OI Change Volume
               15,000          3,20,280               79,920               5,122
               14,900          1,70,040               96,240               4,361
 Top PUT Open Interest: 
 Strike OI OI Change Volume
               15,000          3,99,360               65,640               3,930
               14,000          3,20,400               54,000               2,211
 Top PUT Open Interest addition: 
 Strike OI OI Change Volume
               14,900          2,18,640            1,49,640               4,834
               15,000          3,99,360               65,640               3,930
 Top PUT Open Interest reduction: 
 Strike OI OI Change Volume
               14,500          2,24,280                -2,280               2,690
               15,375                       –                           –                        –  
 Top PUT Volume: 
 Strike OI OI Change Volume
               14,900          2,18,640            1,49,640               4,834
               15,000          3,99,360               65,640               3,930

Conclusion: What the NSE & BSE Indices Futures and Options Open Interest Volume Analysis Tells Us

So, how do we turn this raw data into profitable trades? Based on our deep Open Interest Volume Analysis, the overarching market structure heavily favors a “buy on dips” approach, provided you respect the key options boundaries. Here is your actionable feedback and clear reasoning for the upcoming sessions:

NIFTY Trade Plan: The trend is your friend here. With Max Pain at 24,300 and the highest put additions at 24,200, any intraday dip toward the 24,250–24,300 zone is a prime buying opportunity. Keep your upside targets strictly near 24,500, as call writers are heavily defending that ceiling for this week.

BANKNIFTY Trade Plan: Patience pays off here. Do not get chopped up in the 57,500 straddle trap. Wait for a decisive 15-minute candle close above 57,500 to ride the momentum, or look for a low-risk entry if the index dips to test underlying supports. The massive futures premium tells us not to fight the larger trend by shorting blindly.

SENSEX Expiry Setup: The massive jump in PCR and aggressive short-covering makes Sensex a prime candidate for a bullish expiry. Stay heavily biased toward the long side as long as the index sustains above the 77,600 Max Pain level, with trailing stop-losses placed just under the 77,500 put-writer support.

The Bottom Line: When you see a simultaneous rise in price, futures volume, Open Interest, and contract premiums across Nifty, Midcap, and BankNifty, it indicates smart money is rolling over into fresh longs. Keep your stock-specific longs active, respect your stop-losses at the Max Pain levels, and trade the data!

Check Previous Day’s NSE & BSE Indices F&O Analysis

FII / FPI trading activity in Capital Market Segment

NSE Derivatives Raw Data

BSE Derivatives Raw Data

Disclaimer

fnodata.com is a financial blog providing research-based data and analysis. The content creator of the fnodata.com is not a SEBI registered Investment Advisor. The content on this blog is for informational purposes only and should not be considered as investment advice. You are responsible for your own investment decisions. You should consult with a financial advisor or conduct your own research before making any investment decisions.


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