NSE & BSE Indices Futures and Options Open Interest Volume Analysis for 26/05/2026

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Open Interest Volume Analysis

Tuesday’s session clearly reflected a risk-off undertone across frontline indices, and the latest Open Interest Volume Analysis indicates that traders are aggressively building fresh short positions in both NIFTY and BANKNIFTY futures ahead of the monthly expiry. NIFTY witnessed a massive 23.89% jump in combined futures open interest along with a 35.69% rise in volume while prices declined sharply, confirming strong bearish participation rather than simple profit booking.

The sharp fall in weekly PCR from 1.143 to 0.927 further suggests that call writers have regained dominance near the 24000 strike, which is now acting as a critical resistance zone for the immediate expiry. Despite monthly PCR staying above 1.20, the highest CALL addition at 24000 shows that traders are not yet ready to price in a sustainable upside breakout. This divergence between weekly weakness and relatively stable monthly positioning highlights a market that is turning cautious in the short term but not fully bearish for the broader June series.

The Open Interest Volume Analysis of BANKNIFTY also supports the same narrative, where aggressive fresh shorts emerged despite relatively lower volume participation. A 25.90% surge in combined futures OI with falling prices confirms institutional hedging activity and defensive positioning in banking counters. Interestingly, both highest CALL and PUT additions were concentrated at the 55500 strike, indicating a near-term equilibrium zone and suggesting that expiry-based volatility may remain elevated around this level. At the same time, the premium expansion in BANKNIFTY futures despite price decline hints that traders are still carrying positional longs in select heavyweight banking stocks, preventing a complete breakdown in sentiment.

MIDCPNIFTY, however, remained the standout outperformer of the day. The index continued to attract fresh long buildup with rising prices and higher open interest, indicating strong rotational buying interest in midcap counters even while benchmark indices weakened. The improving PCR, positive premium structure, and continued long additions in July futures suggest that traders are selectively accumulating broader market names instead of taking aggressive index-wide bullish bets. This divergence between MIDCPNIFTY strength and NIFTY weakness is an important signal for traders because it indicates that the market is currently stock-specific rather than trend-driven.

SENSEX derivatives data added another layer to the broader market structure. Sharp long unwinding in futures combined with a steep drop in PCR from 1.594 to 0.781 shows that traders reduced bullish exposure aggressively before expiry. The highest CALL addition at 78000 and PUT concentration at 75000 now define the broader expiry range, while the 76000 max pain level could act as a magnet zone in the immediate session. Overall, the complete Open Interest Volume Analysis across indices suggests that traders are entering expiry week with a defensive bias, elevated hedging activity, and a preference for selective midcap participation rather than broad-based aggressive longs.

NSE & BSE F&O Market Signals

NIFTY Future analysis

NIFTY Spot closed at: 23913.7 (-0.491%)

Combined = June + July + August

Combined Fut Open Interest Change: 23.89%

Combined Fut Volume Change: 35.69%

Combined Fut Open Interest Analysis: Fresh Short

Rollover: 6% Previous 7%

NIFTY JUNE Future closed at: 23978.9 (-0.529%)

June Fut Premium 65.2 (Decreased by -9.5 points)

June Fut Open Interest Change: 24.64%

June Fut Volume Change: 35.64%

June Fut Open Interest Analysis: Fresh Short

NIFTY JULY Future closed at: 24064.7 (-0.600%)

July Fut Premium 151 (Decreased by -27.3 points)

July Fut Open Interest Change: 13.68%

July Fut Volume Change: 36.27%

July Fut Open Interest Analysis: Fresh Short

NIFTY Weekly Expiry (02/06/2026) Option Analysis

Put-Call Ratio (Open Interest): 0.927 (Decreased from 1.143)

Put-Call Ratio (Volume): 0.976

Max Pain Level: 24000

Maximum CALL Open Interest: 24000

Maximum PUT Open Interest: 23000

Highest CALL Addition: 24000

Highest PUT Addition: 23200

NIFTY Monthly Expiry (30/06/2026) Option Analysis

Put-Call Ratio (Open Interest): 1.215 (Increased from 1.214)

Put-Call Ratio (Volume): 1.061

Max Pain Level: 24550

Maximum CALL Open Interest: 25000

Maximum PUT Open Interest: 23000

Highest CALL Addition: 24000

Highest PUT Addition: 24000

BANKNIFTY Future Analysis

BANKNIFTY Spot closed at: 55092.9 (-0.363%)

Combined = June + July + August

Combined Fut Open Interest Change: 25.90%

Combined Fut Volume Change: -6.02%

Combined Fut Open Interest Analysis: Fresh Short

Rollover: 5% Previous 5%

BANKNIFTY JUNE Future closed at: 55457.8 (-0.340%)

June Fut Premium 364.9 (Increased by 11.35 points)

June Fut Open Interest Change: 26.5%

June Fut Volume Change: -5.4%

June Fut Open Interest Analysis: Fresh Short

BANKNIFTY JULY Future closed at: 55754.4 (-0.286%)

July Fut Premium 661.5 (Increased by 40.95 points)

July Fut Open Interest Change: 14.52%

July Fut Volume Change: -15.55%

July Fut Open Interest Analysis: Fresh Short

BANKNIFTY Monthly Expiry  (30/06/2026) Option Analysis

Put-Call Ratio (Open Interest): 0.989 (Increased from 0.955)

Put-Call Ratio (Volume): 0.937

Max Pain Level: 56000

Maximum CALL Open Interest: 60000

Maximum PUT Open Interest: 60000

Highest CALL Addition: 55500

Highest PUT Addition: 55500

MIDCPNIFTY Future Analysis

MIDCPNIFTY Spot closed at: 14675.6 (0.795%)

Combined = June + July + August

Combined Fut Open Interest Change: 9.98%

Combined Fut Volume Change: -41.68%

Combined Fut Open Interest Analysis: Fresh Long

Rollover: 2% Previous 1%

MIDCPNIFTY JUNE Future closed at: 14777.15 (0.787%)

June Fut Premium 101.55 (Decreased by -0.3 points)

June Fut Open Interest Change: 9.82%

June Fut Volume Change: -42.58%

June Fut Open Interest Analysis: Fresh Long

MIDCPNIFTY JULY Future closed at: 14801.35 (0.866%)

July Fut Premium 125.75 (Increased by 11.45 points)

July Fut Open Interest Change: 21.12%

July Fut Volume Change: -5.29%

July Fut Open Interest Analysis: Fresh Long

MIDCPNIFTY Monthly Expiry (30/06/2026) Option Analysis

Put-Call Ratio (Open Interest): 1.121 (Increased from 1.117)

Put-Call Ratio (Volume): 1.133

Max Pain Level: 14500

Maximum CALL Open Interest: 16000

Maximum PUT Open Interest: 13000

Highest CALL Addition: 16000

Highest PUT Addition: 13000

SENSEX Monthly Expiry (27/05/2026) Future

SENSEX Spot closed at: 76,009.70 (-0.627%)

SENSEX Monthly Future closed at: 76,066.60 (-0.703%)

Premium: 56.9 (Decreased by -59.54 points)

Open Interest Change: -24.27%

Volume Change: -11.08%

Open Interest Analysis: Long Covering

SENSEX Weekly Expiry (27/05/2026) Option Analysis

Put-Call Ratio (OI): 0.781 (Decreased from 1.594)

Put-Call Ratio (Volume): 1.079

Max Pain Level: 76000

Maximum CALL OI: 78000

Maximum PUT OI: 75000

Highest CALL Addition: 78000

Highest PUT Addition: 75000

FII & DII Cash Market Activity

FIIs Net SELL: ₹ 2,407.87 Cr.

DIIs Net BUY: ₹ 1,361.43 Cr.

FII Derivatives Activity

FII Trading Stats26.05.2625.05.2622.05.26
FII Cash (Provisional Data)-2,407.87821.75-4,440.47
    
Index Future Open Interest Long Ratio16.68%16.13%13.95%
Index Future Volume Long Ratio37.75%54.51%52.24%
Call Option Open Interest Long Ratio38.08%48.67%44.49%
Call Option Volume Long Ratio49.37%50.69%50.84%
Put Option Open Interest Long Ratio73.41%60.50%63.50%
Put Option Volume Long Ratio50.05%49.75%49.82%
Stock Future Open Interest Long Ratio54.38%54.34%54.12%
Stock Future Volume Long Ratio51.05%50.47%50.55%
    
Index FuturesLong CoveringFresh LongFresh Long
Index OptionsLong CoveringFresh LongFresh Long
    
Nifty FuturesLong CoveringShort CoveringFresh Long
Nifty OptionsLong CoveringFresh LongShort Covering
    
BankNifty FuturesLong CoveringFresh LongFresh Long
BankNifty OptionsLong CoveringLong CoveringFresh Long
    
FinNifty FuturesLong CoveringShort CoveringLong Covering
FinNifty OptionsShort CoveringFresh LongFresh Short
    
MidcpNifty FuturesShort CoveringLong CoveringFresh Long
MidcpNifty OptionsLong CoveringFresh LongFresh Short
    
NiftyNxt50 FuturesLong CoveringFresh LongShort Covering
NiftyNxt50 OptionsShort CoveringFresh LongFresh Long
    
Stock FuturesShort CoveringFresh LongFresh Long
Stock OptionsLong CoveringShort CoveringShort Covering

SENSEX weekly Expiry (27/05/2026)

The SENSEX index closed at 76009.7. The SENSEX weekly expiry for MAY 27, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 0.781 against previous 1.594. The 78000CE option holds the maximum open interest, followed by the 75000PE and 77000CE options. Market participants have shown increased interest with significant open interest additions in the 78000CE option, with open interest additions also seen in the 77000CE and 77500CE options. On the other hand, open interest reductions were prominent in the 76300PE, 72000PE, and 76200PE options. Trading volume was highest in the 76500CE option, followed by the 76000PE and 76500PE options, indicating active trading in these strikes.

SENSEXWeeklyExpiry:27-05-2026
Index SpotPCR OIPrev PCR OIPCR VOL
76009.70.7811.5941.079
Total Open Interest Change in all CALLs & PUTs:
 CurrentPriorNet Ch
CALL:  2,30,22,620        79,94,860        1,50,27,760
PUT:  1,79,71,260    1,27,40,980           52,30,280
Top CALL Open Interest:
StrikeOIOI ChangeVolume
78000      19,05,520        13,77,160        1,54,75,060
77000      17,15,400        13,25,080        2,20,73,040
Top CALL Open Interest addition:
StrikeOIOI ChangeVolume
78000      19,05,520        13,77,160        1,54,75,060
77000      17,15,400        13,25,080        2,20,73,040
Top CALL Open Interest reduction:
StrikeOIOI ChangeVolume
82000            90,900            -62,640           11,97,220
75500        3,01,700            -61,700           10,62,900
Top CALL Volume:
StrikeOIOI ChangeVolume
76500      15,56,940        12,81,240        3,10,25,820
77000      17,15,400        13,25,080        2,20,73,040
Top PUT Open Interest:
StrikeOIOI ChangeVolume
75000      18,73,740        11,52,440        1,87,79,540
74500      13,41,760          8,20,600        1,04,44,400
Top PUT Open Interest addition:
StrikeOIOI ChangeVolume
75000      18,73,740        11,52,440        1,87,79,540
74500      13,41,760          8,20,600        1,04,44,400
Top PUT Open Interest reduction:
StrikeOIOI ChangeVolume
76300        1,89,780        -2,85,620        1,87,61,020
72000        3,03,820        -2,13,740           26,53,400
Top PUT Volume:
StrikeOIOI ChangeVolume
76000      11,44,540          5,66,740        3,08,06,280
76500        3,98,120              46,560        2,31,67,080

NIFTY Weekly Expiry (2/06/2026)

The NIFTY index closed at 23913.7. The NIFTY weekly expiry for JUNE 02, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 0.927 against previous 1.143. The 24000CE option holds the maximum open interest, followed by the 25000CE and 25500CE options. Market participants have shown increased interest with significant open interest additions in the 24000CE option, with open interest additions also seen in the 25500CE and 25000CE options. On the other hand, open interest reductions were prominent in the 23700CE, 21800PE, and 21700PE options. Trading volume was highest in the 24000CE option, followed by the 24000PE and 24500CE options, indicating active trading in these strikes.

NIFTYWeekly Expiry:02-06-2026
 Index Spot PCR OI Prev PCR OI PCR VOL
         23,913.70                0.927                  1.143               0.976
 Total Open Interest Change in all CALLs & PUTs:
  Current Prior Net Ch
 CALL:    7,00,98,145      3,44,03,005   3,56,95,140
 PUT:    6,49,90,640      3,93,21,620   2,56,69,020
 Top CALL Open Interest: 
 Strike OI OI Change Volume
               24,000       58,42,590         38,27,135         5,93,598
               25,000       56,52,140         27,69,390         2,43,835
 Top CALL Open Interest addition: 
 Strike OI OI Change Volume
               24,000       58,42,590         38,27,135         5,93,598
               25,500       55,46,385         27,82,130         1,57,878
 Top CALL Open Interest reduction: 
 Strike OI OI Change Volume
               23,700          6,44,085          -2,28,735             28,765
               26,050             77,415              -18,915               2,684
 Top CALL Volume:
 Strike OI OI Change Volume
               24,000       58,42,590         38,27,135         5,93,598
               24,500       47,42,920         23,58,005         3,45,451
 Top PUT Open Interest: 
 Strike OI OI Change Volume
               23,000       46,22,800         17,05,925         2,14,934
               22,000       44,86,690         17,63,905             98,241
 Top PUT Open Interest addition: 
 Strike OI OI Change Volume
               23,200       36,29,600         21,15,230         1,57,494
               24,000       40,78,360         18,11,810         5,69,450
 Top PUT Open Interest reduction: 
 Strike OI OI Change Volume
               21,800          4,02,480              -65,910               9,039
               21,700          2,75,340              -33,345             12,630
 Top PUT Volume: 
 Strike OI OI Change Volume
               24,000       40,78,360         18,11,810         5,69,450
               23,900       29,80,705         17,41,610         3,13,139

NIFTY Monthly Expiry (30/06/2026)

The NIFTY index closed at 23913.7. The NIFTY monthly expiry for JUNE 30, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 1.215 against previous 1.214. The 25000CE option holds the maximum open interest, followed by the 26000CE and 23000PE options. Market participants have shown increased interest with significant open interest additions in the 24000CE option, with open interest additions also seen in the 24000PE and 24500PE options. On the other hand, open interest reductions were prominent in the 21000PE, 21500PE, and 20000PE options. Trading volume was highest in the 24000PE option, followed by the 25000CE and 24000CE options, indicating active trading in these strikes.

NIFTY Monthly Expiry:30-06-2026
 Index Spot PCR OI Prev PCR OI PCR VOL
         23,913.70                1.215                  1.214               1.061
 Total Open Interest Change in all CALLs & PUTs:
  Current Prior Net Ch
 CALL:    4,72,80,575      4,39,82,935       32,97,640
 PUT:    5,74,61,075      5,33,89,535       40,71,540
 Top CALL Open Interest: 
 Strike OI OI Change Volume
               25,000       78,03,830            3,04,145             75,751
               26,000       54,59,030            2,02,540             36,890
 Top CALL Open Interest addition: 
 Strike OI OI Change Volume
               24,000       48,49,950            9,38,890             74,736
               25,000       78,03,830            3,04,145             75,751
 Top CALL Open Interest reduction: 
 Strike OI OI Change Volume
               23,500       12,24,080              -16,770             10,879
               25,900          1,02,700              -15,795               1,537
 Top CALL Volume:
 Strike OI OI Change Volume
               25,000       78,03,830            3,04,145             75,751
               24,000       48,49,950            9,38,890             74,736
 Top PUT Open Interest: 
 Strike OI OI Change Volume
               23,000       52,34,070            2,01,830             59,409
               24,000       51,05,200            6,75,310             76,491
 Top PUT Open Interest addition: 
 Strike OI OI Change Volume
               24,000       51,05,200            6,75,310             76,491
               24,500       18,01,475            3,74,270             17,334
 Top PUT Open Interest reduction: 
 Strike OI OI Change Volume
               21,000       19,40,000          -1,02,180             18,987
               21,500       11,57,715              -59,800             14,620
 Top PUT Volume: 
 Strike OI OI Change Volume
               24,000       51,05,200            6,75,310             76,491
               23,000       52,34,070            2,01,830             59,409

BANKNIFTY Monthly Expiry (30/06/2026)

The BANKNIFTY index closed at 55092.9. The BANKNIFTY monthly expiry for JUNE 30, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 0.989 against previous 0.955. The 60000CE option holds the maximum open interest, followed by the 60000PE and 54000PE options. Market participants have shown increased interest with significant open interest additions in the 55500PE option, with open interest additions also seen in the 55500CE and 60000CE options. On the other hand, open interest reductions were prominent in the 48000PE, 46000PE, and 67500CE options. Trading volume was highest in the 55000PE option, followed by the 55000CE and 56000CE options, indicating active trading in these strikes.

BANKNIFTY Monthly Expiry:30-06-2026
 Index Spot PCR OI Prev PCR OI PCR VOL
         55,092.90                0.989                  0.955               0.937
 Total Open Interest Change in all CALLs & PUTs:
  Current Prior Net Ch
 CALL:       88,75,740         74,36,460       14,39,280
 PUT:       87,80,610         71,02,230       16,78,380
 Top CALL Open Interest: 
 Strike OI OI Change Volume
               60,000       22,05,240            2,00,070             33,701
               54,000          7,31,580               12,990               4,135
 Top CALL Open Interest addition: 
 Strike OI OI Change Volume
               55,500          3,33,990            2,14,710             30,574
               60,000       22,05,240            2,00,070             33,701
 Top CALL Open Interest reduction: 
 Strike OI OI Change Volume
               67,500             46,980                -5,790               1,784
               64,500             15,270                -3,090                   682
 Top CALL Volume:
 Strike OI OI Change Volume
               55,000          6,14,250               61,890             34,798
               56,000          6,08,700               48,600             34,081
 Top PUT Open Interest: 
 Strike OI OI Change Volume
               60,000       13,27,470            1,13,130               7,522
               54,000          9,48,510               60,210             17,270
 Top PUT Open Interest addition: 
 Strike OI OI Change Volume
               55,500          3,03,930            2,46,660             28,272
               55,000          6,08,700            1,49,970             41,975
 Top PUT Open Interest reduction: 
 Strike OI OI Change Volume
               48,000          1,64,790              -24,480               8,064
               46,000             67,440                -9,000               2,977
 Top PUT Volume: 
 Strike OI OI Change Volume
               55,000          6,08,700            1,49,970             41,975
               55,500          3,03,930            2,46,660             28,272

MIDCPNIFTY Monthly Expiry (30/06/2026)

The MIDCPNIFTY index closed at 14675.6. The MIDCPNIFTY monthly expiry for JUNE 30, 2026, 2025 has revealed key trends in open interest. The current Put/Call Ratio is at 1.121 against previous 1.117. The 13000PE option holds the maximum open interest, followed by the 16000CE and 14000PE options. Market participants have shown increased interest with significant open interest additions in the 13000PE option, with open interest additions also seen in the 16000CE and 15500CE options. On the other hand, open interest reductions were prominent in the 55800CE, 55800CE, and 55800CE options. Trading volume was highest in the 13000PE option, followed by the 14000PE and 14500PE options, indicating active trading in these strikes.

MIDCPNIFTY Monthly Expiry:30-06-2026
 Index Spot PCR OI Prev PCR OI PCR VOL
         14,675.60                1.121                  1.117               1.133
 Total Open Interest Change in all CALLs & PUTs:
  Current Prior Net Ch
 CALL:       15,96,120            7,81,560         8,14,560
 PUT:       17,88,480            8,72,760         9,15,720
 Top CALL Open Interest: 
 Strike OI OI Change Volume
               16,000          3,96,600            2,39,640               3,158
               15,500          2,38,200            1,35,720               3,000
 Top CALL Open Interest addition: 
 Strike OI OI Change Volume
               16,000          3,96,600            2,39,640               3,158
               15,500          2,38,200            1,35,720               3,000
 Top CALL Open Interest reduction: 
 Strike OI OI Change Volume
               14,550                6,360                    -840                   126
               14,525                2,040                    -360                     39
 Top CALL Volume:
 Strike OI OI Change Volume
               16,000          3,96,600            2,39,640               3,158
               15,500          2,38,200            1,35,720               3,000
 Top PUT Open Interest: 
 Strike OI OI Change Volume
               13,000          4,08,480            2,79,120               4,414
               14,000          3,87,600            1,33,080               3,816
 Top PUT Open Interest addition: 
 Strike OI OI Change Volume
               13,000          4,08,480            2,79,120               4,414
               14,000          3,87,600            1,33,080               3,816
 Top PUT Open Interest reduction: 
 Strike OI OI Change Volume
               12,500             93,240              -11,520                   617
               13,850                   840                    -120                       1
 Top PUT Volume: 
 Strike OI OI Change Volume
               13,000          4,08,480            2,79,120               4,414
               14,000          3,87,600            1,33,080               3,816

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

The overall derivative setup for 26/05/2026 indicates that the market is transitioning into a high-volatility expiry environment where short-term traders are increasingly cautious. The most important takeaway from the latest Open Interest Volume Analysis is that fresh short buildup dominated frontline indices while broader market participation shifted toward selective midcap strength. NIFTY’s inability to sustain above 24000 despite strong rollover activity and heavy call writing suggests that bulls are currently struggling to regain momentum.

Unless the index decisively crosses and sustains above the 24000–24100 zone, traders may continue to witness sell-on-rise behaviour in the near term.
BANKNIFTY also remains trapped in a volatile consolidation structure with 55500 emerging as the immediate battleground between buyers and sellers. The sharp increase in futures open interest without meaningful upside recovery indicates that institutions are still maintaining cautious hedged positions. Any breakdown below 54800 could accelerate fresh downside pressure, while sustained strength above 55600 may trigger short covering rallies.

The most constructive signal continues to come from MIDCPNIFTY, where consistent fresh long additions and improving option data suggest that traders are still willing to take risk in broader market counters. This relative strength could continue to support stock-specific momentum trades even if benchmark indices remain range-bound or weak. Traders should therefore avoid aggressive index longs until stronger short-covering confirmation appears in NIFTY and BANKNIFTY futures data.

From a trading perspective, the current derivative structure favours disciplined risk management, selective buying in strong sectors, and cautious positioning near major resistance zones. The broader Open Interest Volume Analysis suggests that expiry-driven volatility, sharp intraday swings, and strike-based movement around max pain levels are likely to dominate the next trading session. Until fresh long buildup returns in frontline indices, traders should remain tactically defensive and focus more on confirmation-based trades rather than anticipatory positioning.

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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