NSE & BSE Indices Futures and Options Open Interest Volume Analysis for 16/09/2026

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Open Interest Volume Analysis

While headline spot gains and aggregate futures data signal widespread “Short Covering” across NIFTY (-0.16% OI), BANKNIFTY (-0.95% OI), and SENSEX (-0.97% OI), the massive drop in futures trading volume (down 40% to 60%) alongside heavy basis compression reveals that this upmove was driven primarily by bears taking chips off the table rather than aggressive fresh institutional buying.

However, structural accumulation is quietly brewing beneath the surface: NIFTY October futures absorbed +5.08% OI in genuine Fresh Longs, MIDCPNIFTY saw its front-month futures decisively flip from a deep discount back into a +31.5 point premium on fresh long additions, and weekly Put-Call Ratios rebounded sharply back toward parity ahead of Thursday’s SENSEX weekly expiry. Let’s break down the strike-level inventory and actionable execution triggers for tomorrow’s opening bell!

NSE & BSE F&O Market Signals

NIFTY Future analysis

NIFTY Spot closed at: 23217.6 (0.428%)

Combined = September + October + November

Combined Fut Open Interest Change: -0.16%

Combined Fut Volume Change: -42.83%

Combined Fut Open Interest Analysis: Short Covering

Rollover: 20% Previous 19%

NIFTY SEPTEMBER Future closed at: 23272.3 (0.208%)

Sep Fut Premium 54.7 (Decreased by -50.6 points)

Sep Fut Open Interest Change: -1.62%

Sep Fut Volume Change: -45.90%

Sep Fut Open Interest Analysis: Short Covering

NIFTY OCTOBER Future closed at: 23370.6 (0.165%)

Oct Fut Premium 153 (Decreased by -60.4 points)

Oct Fut Open Interest Change: 5.08%

Oct Fut Volume Change: -32.65%

Oct Fut Open Interest Analysis: Fresh Long

NIFTY Weekly Expiry (22/09/2026) Option Analysis

Put-Call Ratio (Open Interest): 0.938 (Increased from 0.657)

Put-Call Ratio (Volume): 1.007

Max Pain Level: 23300

Maximum CALL Open Interest: 24000

Maximum PUT Open Interest: 23000

Highest CALL Addition: 23800

Highest PUT Addition: 23000

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

Put-Call Ratio (Open Interest): 0.969 (Increased from 0.968)

Put-Call Ratio (Volume): 0.740

Max Pain Level: 23900

Maximum CALL Open Interest: 24000

Maximum PUT Open Interest: 23000

Highest CALL Addition: 24000

Highest PUT Addition: 23000

BANKNIFTY Future Analysis

BANKNIFTY Spot closed at: 56292.45 (0.892%)

Combined = September + October + November

Combined Fut Open Interest Change: -0.95%

Combined Fut Volume Change: -22.38%

Combined Fut Open Interest Analysis: Short Covering

Rollover: 15% Previous 13%

BANKNIFTY SEPTEMBER Future closed at: 56407.8 (0.586%)

Sep Fut Premium 115.35 (Decreased by -169.3 points)

Sep Fut Open Interest Change: -2.4%

Sep Fut Volume Change: -22.5%

Sep Fut Open Interest Analysis: Short Covering

BANKNIFTY OCTOBER Future closed at: 56976 (1.056%)

Oct Fut Premium 683.55 (Increased by 97.7 points)

Oct Fut Open Interest Change: -80.69%

Oct Fut Volume Change: -77.39%

Oct Fut Open Interest Analysis: Short Covering

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

Put-Call Ratio (Open Interest): 0.860 (Increased from 0.785)

Put-Call Ratio (Volume): 0.986

Max Pain Level: 57300

Maximum CALL Open Interest: 57500

Maximum PUT Open Interest: 57500

Highest CALL Addition: 59000

Highest PUT Addition: 54000

MIDCPNIFTY Future Analysis

MIDCPNIFTY Spot closed at: 14288.45 (0.155%)

Combined = September + October + November

Combined Fut Open Interest Change: 2.53%

Combined Fut Volume Change: -59.39%

Combined Fut Open Interest Analysis: Fresh Long

Rollover: 4% Previous 4%

MIDCPNIFTY SEPTEMBER Future closed at: 14320 (0.507%)

Sep Fut Premium 31.55 (Increased by 50.1 points)

Sep Fut Open Interest Change: 2.45%

Sep Fut Volume Change: -60.98%

Sep Fut Open Interest Analysis: Fresh Long

MIDCPNIFTY OCTOBER Future closed at: 14356.8 (0.476%)

Oct Fut Premium 68.35 (Increased by 45.9 points)

Oct Fut Open Interest Change: 2.85%

Oct Fut Volume Change: -35.07%

Oct Fut Open Interest Analysis: Fresh Long

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

Put-Call Ratio (Open Interest): 0.876 (Increased from 0.818)

Put-Call Ratio (Volume): 1.000

Max Pain Level: 14500

Maximum CALL Open Interest: 15000

Maximum PUT Open Interest: 14000

Highest CALL Addition: 14300

Highest PUT Addition: 13800

SENSEX Monthly Expiry (24/09/2026) Future

SENSEX Spot closed at: 74,336.45 (0.449%)

SENSEX Monthly Future closed at: 74,423.85 (0.195%)

Premium: 87.4 (Decreased by -187.83 points)

Open Interest Change: -0.97%

Volume Change: -22.17%

Open Interest Analysis: Short Covering

SENSEX Weekly Expiry (17/09/2026) Option Analysis

Put-Call Ratio (OI): 1.179 (Increased from 0.698)

Put-Call Ratio (Volume): 1.027

Max Pain Level: 74500

Maximum CALL OI: 76000

Maximum PUT OI: 71000

Highest CALL Addition: 75900

Highest PUT Addition: 71000

FII & DII Cash Market Activity

FIIs Net SELL: ₹ 2,032.61 Cr.

DIIs Net BUY: ₹ 3,908.23 Cr.

FII Derivatives Activity

FII Trading Stats16.09.2615.09.2611.09.26
FII Cash (Provisional Data)-2,032.61-2,977.86-930.9
    
Index Future Open Interest Long Ratio12.39%12.06%11.23%
Index Future Volume Long Ratio56.78%44.28%45.50%
Call Option Open Interest Long Ratio40.30%38.57%41.24%
Call Option Volume Long Ratio50.27%49.36%50.16%
Put Option Open Interest Long Ratio67.14%73.59%66.80%
Put Option Volume Long Ratio48.91%50.22%50.04%
Stock Future Open Interest Long Ratio54.21%53.93%54.07%
Stock Future Volume Long Ratio54.14%48.48%47.67%
    
Index FuturesFresh LongFresh ShortFresh Short
Index OptionsFresh ShortLong CoveringFresh Long
    
Nifty FuturesFresh LongFresh ShortFresh Short
Nifty OptionsFresh ShortLong CoveringFresh Long
    
BankNifty FuturesShort CoveringLong CoveringFresh Long
BankNifty OptionsFresh ShortFresh ShortFresh Long
    
FinNifty FuturesFresh LongFresh ShortShort Covering
FinNifty OptionsFresh LongLong CoveringFresh Long
    
MidcpNifty FuturesFresh ShortFresh LongFresh Short
MidcpNifty OptionsFresh ShortFresh ShortFresh Long
    
NiftyNxt50 FuturesFresh LongShort CoveringShort Covering
NiftyNxt50 OptionsFresh LongLong CoveringFresh Short
    
Stock FuturesFresh LongLong CoveringFresh Short
Stock OptionsFresh ShortFresh ShortFresh Long

SENSEX weekly Expiry (17/09/2026)

The SENSEX index closed at 74336.45. The SENSEX weekly expiry for SEPTEMBER 10, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 1.179 against previous 0.698. The 71000PE option holds the maximum open interest, followed by the 74000PE and 76000CE options. Market participants have shown increased interest with significant open interest additions in the 71000PE option, with open interest additions also seen in the 74300PE and 74000PE options. On the other hand, open interest reductions were prominent in the 77000CE, 69800PE

SENSEXWeeklyExpiry:17-09-2026
Index SpotPCR OIPrev PCR OIPCR VOL
74336.451.1790.6981.027
Total Open Interest Change in all CALLs & PUTs:
 CurrentPriorNet Ch
CALL:  3,29,68,100    2,73,96,940           55,71,160
PUT:  3,88,57,780    1,91,36,220        1,97,21,560
Top CALL Open Interest:
StrikeOIOI ChangeVolume
76000      20,49,160          2,67,480        2,87,68,520
75000      20,41,060              93,180     11,21,06,040
Top CALL Open Interest addition:
StrikeOIOI ChangeVolume
75900        9,62,140          5,68,460           96,14,720
74600      10,03,540          4,81,260        5,66,46,280
Top CALL Open Interest reduction:
StrikeOIOI ChangeVolume
77000      12,32,380        -8,22,420        1,91,16,260
78000      12,94,980        -2,03,640        1,15,15,300
Top CALL Volume:
StrikeOIOI ChangeVolume
75000      20,41,060              93,180     11,21,06,040
74500      13,45,720          2,92,740     11,04,21,080
Top PUT Open Interest:
StrikeOIOI ChangeVolume
71000      31,29,360        12,35,380        2,22,12,500
74000      20,51,840        11,24,400     11,79,99,980
Top PUT Open Interest addition:
StrikeOIOI ChangeVolume
71000      31,29,360        12,35,380        2,22,12,500
74300      14,64,300        11,50,100        9,37,73,280
Top PUT Open Interest reduction:
StrikeOIOI ChangeVolume
69800        4,47,980        -2,09,920           29,45,500
75000        2,67,300        -1,29,820           41,41,960
Top PUT Volume:
StrikeOIOI ChangeVolume
74000      20,51,840        11,24,400     11,79,99,980
74300      14,64,300        11,50,100        9,37,73,280

NIFTY Weekly Expiry (15/09/2026)

The NIFTY index closed at 23217.6. The NIFTY weekly expiry for SEPTEMBER 15, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 0.938 against previous 0.657. The 24000CE option holds the maximum open interest, followed by the 23000PE and 23500CE options. Market participants have shown increased interest with significant open interest additions in the 23000PE option, with open interest additions also seen in the 23200PE and 21350PE options. On the other hand, open interest reductions were prominent in the 24300CE, 25000CE

NIFTYWeekly Expiry:22-09-2026
 Index Spot PCR OI Prev PCR OI PCR VOL
         23,217.60                0.938                  0.657               1.007
 Total Open Interest Change in all CALLs & PUTs:
  Current Prior Net Ch
 CALL: 12,15,68,265   10,30,49,375   1,85,18,890
 PUT: 11,40,36,585      6,76,60,580   4,63,76,005
 Top CALL Open Interest: 
 Strike OI OI Change Volume
               24,000       86,57,415         17,87,565         6,94,739
               23,500       75,34,085         16,87,010       17,20,743
 Top CALL Open Interest addition: 
 Strike OI OI Change Volume
               23,800       62,91,285         21,25,500         7,87,772
               24,000       86,57,415         17,87,565         6,94,739
 Top CALL Open Interest reduction: 
 Strike OI OI Change Volume
               24,300       25,83,165        -21,85,300         3,28,177
               25,000       62,85,175        -15,17,945         4,41,036
 Top CALL Volume:
 Strike OI OI Change Volume
               23,200       43,11,775            6,66,705       23,32,111
               23,300       43,90,295            7,22,345       22,78,486
 Top PUT Open Interest: 
 Strike OI OI Change Volume
               23,000       81,32,475         33,84,875       19,43,321
               23,200       74,67,135         29,14,210       35,61,470
 Top PUT Open Interest addition: 
 Strike OI OI Change Volume
               23,000       81,32,475         33,84,875       19,43,321
               23,200       74,67,135         29,14,210       35,61,470
 Top PUT Open Interest reduction: 
 Strike OI OI Change Volume
               23,450          5,68,425          -2,57,920             96,990
               23,500       23,16,730              -95,745         1,99,386
 Top PUT Volume: 
 Strike OI OI Change Volume
               23,200       74,67,135         29,14,210       35,61,470
               23,250       32,81,525         23,73,670       20,77,133

NIFTY Monthly Expiry (29/09/2026)

The NIFTY index closed at 23217.6. The NIFTY monthly expiry for SEPTEMBER 29, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 0.969 against previous 0.968. The 24000CE option holds the maximum open interest, followed by the 23000PE and 24000PE options. Market participants have shown increased interest with significant open interest additions in the 24000CE option, with open interest additions also seen in the 23000PE and 24300CE options. On the other hand, open interest reductions were prominent in the 23400CE, 24550CE

NIFTY Monthly Expiry:29-09-2026
 Index Spot PCR OI Prev PCR OI PCR VOL
         23,217.60                0.969                  0.968               0.740
 Total Open Interest Change in all CALLs & PUTs:
  Current Prior Net Ch
 CALL:    8,20,20,140      7,94,31,250       25,88,890
 PUT:    7,94,69,045      7,68,59,750       26,09,295
 Top CALL Open Interest: 
 Strike OI OI Change Volume
               24,000       99,40,775            7,41,065         1,59,240
               24,500       54,43,295              -53,040             49,829
 Top CALL Open Interest addition: 
 Strike OI OI Change Volume
               24,000       99,40,775            7,41,065         1,59,240
               24,300       47,43,505            5,33,260             53,193
 Top CALL Open Interest reduction: 
 Strike OI OI Change Volume
               23,400       19,25,235          -3,73,425             71,838
               24,550          3,53,145          -3,61,465             29,739
 Top CALL Volume:
 Strike OI OI Change Volume
               24,000       99,40,775            7,41,065         1,59,240
               23,500       43,04,820          -1,41,375         1,40,789
 Top PUT Open Interest: 
 Strike OI OI Change Volume
               23,000       71,23,975            5,80,515         1,25,836
               24,000       57,65,640          -1,90,450             17,561
 Top PUT Open Interest addition: 
 Strike OI OI Change Volume
               23,000       71,23,975            5,80,515         1,25,836
               22,700       12,30,775            3,44,110             32,901
 Top PUT Open Interest reduction: 
 Strike OI OI Change Volume
               23,400       19,09,505          -3,45,345             56,724
               23,500       42,64,650          -3,31,240             59,654
 Top PUT Volume: 
 Strike OI OI Change Volume
               23,000       71,23,975            5,80,515         1,25,836
               23,200       27,95,390            2,74,495         1,10,189

BANKNIFTY Monthly Expiry (29/09/2026)

The BANKNIFTY index closed at 56292.45. The BANKNIFTY monthly expiry for SEPTEMBER 29, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 0.860 against previous 0.785. The 57500CE option holds the maximum open interest, followed by the 58000CE and 57500PE options. Market participants have shown increased interest with significant open interest additions in the 54000PE option, with open interest additions also seen in the 53000PE and 55000PE options. On the other hand, open interest reductions were prominent in the 56500CE, 56000CE

BANKNIFTY Monthly Expiry:29-09-2026
 Index Spot PCR OI Prev PCR OI PCR VOL
         56,292.45                0.860                  0.785               0.986
 Total Open Interest Change in all CALLs & PUTs:
  Current Prior Net Ch
 CALL:    1,70,39,970      1,80,45,540     -10,05,570
 PUT:    1,46,62,710      1,41,69,450         4,93,260
 Top CALL Open Interest: 
 Strike OI OI Change Volume
               57,500       22,28,190               34,470             53,313
               58,000       16,10,520              -48,990             57,642
 Top CALL Open Interest addition: 
 Strike OI OI Change Volume
               59,000       10,95,750               42,690             38,811
               57,500       22,28,190               34,470             53,313
 Top CALL Open Interest reduction: 
 Strike OI OI Change Volume
               56,500          5,42,430          -1,24,800             97,263
               56,000          4,25,970          -1,11,120             92,447
 Top CALL Volume:
 Strike OI OI Change Volume
               56,500          5,42,430          -1,24,800             97,263
               56,000          4,25,970          -1,11,120             92,447
 Top PUT Open Interest: 
 Strike OI OI Change Volume
               57,500       15,81,330              -12,630               3,770
               56,000          8,65,170               60,870         1,35,648
 Top PUT Open Interest addition: 
 Strike OI OI Change Volume
               54,000          8,57,190            1,05,120             44,161
               53,000          5,41,650               92,160             40,381
 Top PUT Open Interest reduction: 
 Strike OI OI Change Volume
               57,000          7,15,710              -82,800             37,867
               54,500          3,17,670              -58,860             25,993
 Top PUT Volume: 
 Strike OI OI Change Volume
               56,000          8,65,170               60,870         1,35,648
               56,200          1,94,460               54,450             77,157

MIDCPNIFTY Monthly Expiry (29/09/2026)

The MIDCPNIFTY index closed at 14288.45. The MIDCPNIFTY monthly expiry for SEPTEMBER 29, 2026, 2025 has revealed key trends in open interest. The current Put/Call Ratio is at 0.876 against previous 0.818. The 14000PE option holds the maximum open interest, followed by the 15000CE and 13500PE options. Market participants have shown increased interest with significant open interest additions in the 13800PE option, with open interest additions also seen in the 14300PE and 14300CE options. On the other hand, open interest reductions were prominent in the 73000PE, 74500CE

MIDCPNIFTY Monthly Expiry:29-09-2026
 Index Spot PCR OI Prev PCR OI PCR VOL
         14,288.45                0.876                  0.818               1.000
 Total Open Interest Change in all CALLs & PUTs:
  Current Prior Net Ch
 CALL:       84,32,880         80,46,840         3,86,040
 PUT:       73,83,240         65,82,480         8,00,760
 Top CALL Open Interest: 
 Strike OI OI Change Volume
               15,000          9,99,000              -36,120               8,252
               14,500          7,09,920               85,320             15,820
 Top CALL Open Interest addition: 
 Strike OI OI Change Volume
               14,300          3,67,920            1,43,400             16,187
               14,500          7,09,920               85,320             15,820
 Top CALL Open Interest reduction: 
 Strike OI OI Change Volume
               15,900             47,040              -92,160               1,021
               15,000          9,99,000              -36,120               8,252
 Top CALL Volume:
 Strike OI OI Change Volume
               14,300          3,67,920            1,43,400             16,187
               14,500          7,09,920               85,320             15,820
 Top PUT Open Interest: 
 Strike OI OI Change Volume
               14,000       10,29,960          -1,71,240             23,061
               13,500          7,30,320               30,360               7,195
 Top PUT Open Interest addition: 
 Strike OI OI Change Volume
               13,800          5,92,080            2,84,280             10,882
               14,300          5,52,240            1,48,320             15,274
 Top PUT Open Interest reduction: 
 Strike OI OI Change Volume
               14,000       10,29,960          -1,71,240             23,061
               14,600          3,53,520              -26,160               1,020
 Top PUT Volume: 
 Strike OI OI Change Volume
               14,000       10,29,960          -1,71,240             23,061
               14,300          5,52,240            1,48,320             15,274

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

To wrap up today’s Open Interest Volume Analysis, the tape confirms a transition from active negative gamma bleeding into a tactical short-squeeze corridor. Because overall futures volumes dried up during this bounce, execution demands buying confirmed pullbacks at structural put bases rather than chasing green intraday candles into overhead call walls:

NIFTY (Tactical Short Covering vs. October Longs): Front-month September futures gained +0.208% but surrendered -50.6 points in premium alongside -1.62% OI on a 46% volume drop, confirming clear Short Covering. However, October absorbed +5.08% OI in structural Fresh Longs. In the weekly options chain (22/09 expiry), the PCR surged from 0.657 to 0.938 with volume PCR reclaiming parity (1.007), as put writers built an aggressive liquidity floor at 23,000 (Maximum Put OI and Highest Put Addition), while call additions shifted higher to 23,800. Actionable Feedback: The immediate battleground is 23,300 (weekly Max Pain). Look to initiate tactical longs on intraday pullbacks into the 23,180–23,220 support pocket with a stop-loss placed strictly below 23,120, targeting 23,300 and an extension toward 23,450. Fade any premature spike toward the 23,500 monthly call-addition ceiling.

BANKNIFTY (Violent Premium Drain & Short Covering): The banking index outpaced frontline peers (+0.892% spot), but the derivatives mechanics reveal aggressive short unwinding rather than sustained institutional accumulation. September futures lost a staggering -169.3 points in premium on -2.4% OI, while October saw massive short covering. In the monthly chain (29/09), the PCR crawled up to 0.860, with call writers pushing their highest additions far up to 59,000, leaving 56,000–56,200 as the immediate absorption zone. Actionable Feedback: Avoid aggressive trend-chasing here due to compressed basis. Trade with a “Buy on Dips” posture: accumulate long setups on retests of 56,150–56,250 with risk defined strictly below 55,950, targeting the 56,800–57,000 zone and the 57,300 Max Pain node.

MIDCPNIFTY (Genuine Accumulation & Basis Reversal): Midcaps posted the highest-quality institutional setup of the session. While headline volume contracted, combined futures added +2.53% OI in textbook Fresh Longs. Crucially, September futures completely erased yesterday’s -18.55 point discount, expanding into a healthy +31.55 point premium (+50.1 pt basis jump) on +2.45% OI, with October adding +2.85% OI. Monthly PCR rebounded to 0.876 with volume PCR at 1.000. Actionable Feedback: The broader market has officially halted its freefall. Look for long entries on pullbacks into 14,240–14,270 with a tight stop-loss below 14,200, targeting the 14,350 mark and an institutional squeeze toward the 14,500 Max Pain level.

SENSEX (Pre-Expiry Gamma Reset Ahead of 17/09 Expiry): Entering its weekly expiry session tomorrow, SENSEX registered clean monthly Short Covering (-0.97% OI, -187.8 pt premium drain). The decisive shift landed in the weekly options chain (17/09), where the PCR violently rebounded from 0.698 to 1.179. Put writers aggressively fortified the 71,000 base, while call writers retreated their highest additions up to 75,900, centering the Max Pain pin firmly at 74,500. Actionable Feedback: With weekly put writers back in control, intraday dips toward 74,150–74,250 offer asymmetric long scalps for expiry day. Place invalidation stops below 74,000 and target a mechanical expiry gravitate toward the 74,500 Max Pain strike, trimming positions if spot tests 74,800.

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

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