NSE & BSE Indices Futures and Options Open Interest Volume Analysis for 1/04/2026

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Open Interest Volume Analysis

Today’s Open Interest Volume Analysis across the index derivatives space clearly reflects a broad short-covering driven rebound rather than aggressive fresh long formation. NIFTY, BANKNIFTY, MIDCPNIFTY and SENSEX all closed with strong price gains of 1.5%–2.4%, while futures open interest declined across most contracts, indicating that the rally was largely fueled by trapped bears covering positions rather than confident bullish accumulation.
In NIFTY futures, the combination of price rise with falling open interest and sharply declining volumes (Combined volume down 35%) reinforces the short-covering narrative. The increase in futures premium across April and May contracts also suggests that traders rushed to square off shorts, pushing futures pricing higher relative to spot. However, the weekly PCR at 0.836 and the heavy CALL concentration at 24000 signal that upside expectations remain capped in the near term despite today’s bullish momentum.
The Open Interest Volume Analysis becomes even more interesting when looking at NIFTY monthly options, where 23000 holds the highest CALL and PUT open interest simultaneously, indicating a major equilibrium zone being built by institutional writers. This suggests the market could gravitate toward this level during the April series unless a strong directional trigger appears. At the same time, the PUT additions at 20500 hint that deeper downside protection is being built, signaling that participants are hedging aggressively rather than chasing the rally.
BANKNIFTY displayed one of the strongest short-covering signals, with combined futures open interest collapsing by 12.55% and May futures open interest dropping a massive 38%, confirming that banking stocks forced aggressive bear unwinding. Yet the monthly option PCR at only 0.843 and the large CALL base at higher strikes indicate that institutional traders are still not fully convinced about a sustained banking rally. The divergence between price strength and cautious options positioning highlights a tactical bounce rather than a structural trend reversal.
MIDCPNIFTY also joined the rally with 2.47% gains, but the Open Interest Volume Analysis reveals declining participation, with futures volumes falling over 40%. Such rallies with falling volumes often indicate short squeeze conditions rather than fresh institutional buying, meaning sustainability of the move may depend on broader market sentiment rather than standalone momentum. The 12500 strike acting as both max pain and highest CALL OI suggests that the index may face immediate resistance near this level in the near term.
On the broader market side, SENSEX futures also saw a steep 34% open interest drop, confirming another strong short covering episode. However, the premium contraction despite price rise indicates that traders are not aggressively building long carry positions, which again raises questions about how durable the rally might be once short covering exhausts.

NSE & BSE F&O Market Signals

NIFTY Future analysis

NIFTY Spot closed at: 22679.4 (1.558%)

Combined = April + May + June

Combined Fut Open Interest Change: -0.86%

Combined Fut Volume Change: -35.40%

Combined Fut Open Interest Analysis: Short Covering

Rollover: 10% Previous 10%

NIFTY April Future closed at: 22800.1 (1.667%)

April Fut Premium 120.7 (Increased by 25.9 points)

April Fut Open Interest Change: -0.63%

April Fut Volume Change: -39.98%

April Fut Open Interest Analysis: Short Covering

NIFTY MAY Future closed at: 22934.8 (1.637%)

May Fut Premium 255.4 (Increased by 21.4 points)

May Fut Open Interest Change: -10.89%

May Fut Volume Change: -5.85%

May Fut Open Interest Analysis: Short Covering

NIFTY Weekly Expiry (7/04/2026) Option Analysis

Put-Call Ratio (Open Interest): 0.836 (Increased from 0.767)

Put-Call Ratio (Volume): 0.929

Max Pain Level: 23000

Maximum CALL Open Interest: 24000

Maximum PUT Open Interest: 20200

Highest CALL Addition: 24000

Highest PUT Addition: 20200

NIFTY Monthly Expiry (28/04/2026) Option Analysis

Put-Call Ratio (Open Interest): 0.971 (Decreased from 0.976)

Put-Call Ratio (Volume): 0.769

Max Pain Level: 23500

Maximum CALL Open Interest: 23000

Maximum PUT Open Interest: 23000

Highest CALL Addition: 23000

Highest PUT Addition: 20500

BANKNIFTY Future Analysis

BANKNIFTY Spot closed at: 51448.65 (2.334%)

Combined = April + May + June

Combined Fut Open Interest Change: -12.55%

Combined Fut Volume Change: -14.44%

Combined Fut Open Interest Analysis: Short Covering

Rollover: 12% Previous 16%

BANKNIFTY APRIL Future closed at: 51784.6 (2.278%)

April Fut Premium 335.95 (Decreased by -19.9 points)

April Fut Open Interest Change: -8.2%

April Fut Volume Change: -23.0%

April Fut Open Interest Analysis: Short Covering

BANKNIFTY MAY Future closed at: 52048.6 (2.312%)

May Fut Premium 599.95 (Increased by 3.1 points)

May Fut Open Interest Change: -38.13%

May Fut Volume Change: 55.41%

May Fut Open Interest Analysis: Short Covering

BANKNIFTY Monthly Expiry  (28/04/2026) Option Analysis

Put-Call Ratio (Open Interest): 0.843 (Decreased from 0.856)

Put-Call Ratio (Volume): 0.654

Max Pain Level: 73500

Maximum CALL Open Interest: 60000

Maximum PUT Open Interest: 60000

Highest CALL Addition: 60000

Highest PUT Addition: 51000

MIDCPNIFTY Future Analysis

MIDCPNIFTY Spot closed at: 12460.05 (2.478%)

Combined = April + May + June

Combined Fut Open Interest Change: -2.98%

Combined Fut Volume Change: -42.47%

Combined Fut Open Interest Analysis: Short Covering

Rollover: 3% Previous 3%

MIDCPNIFTY APRIL Future closed at: 12480.45 (2.670%)

April Fut Premium 20.4 (Increased by 23.25 points)

April Fut Open Interest Change: -3.09%

April Fut Volume Change: -43.55%

April Fut Open Interest Analysis: Short Covering

MIDCPNIFTY MAY Future closed at: 12538.25 (2.626%)

May Fut Premium 78.2 (Increased by 19.55 points)

May Fut Open Interest Change: -1.03%

May Fut Volume Change: -17.27%

May Fut Open Interest Analysis: Short Covering

MIDCPNIFTY Monthly Expiry (28/04/2026) Option Analysis

Put-Call Ratio (Open Interest): 0.893 (Increased from 0.830)

Put-Call Ratio (Volume): 0.747

Max Pain Level: 12500

Maximum CALL Open Interest: 12500

Maximum PUT Open Interest: 11000

Highest CALL Addition: 12500

Highest PUT Addition: 11000

SENSEX Monthly Expiry (30/04/2026) Future

SENSEX Spot closed at: 73,134.32 (1.649%)

SENSEX Monthly Future closed at: 73,713.05 (1.471%)

Premium: 578.73 (Decreased by -118.02 points)

Open Interest Change: -34.73%

Volume Change: -50.01%

Open Interest Analysis: Short Covering

SENSEX Weekly Expiry (2/04/2026) Option Analysis

Put-Call Ratio (OI): 0.864 (Decreased from 1.022)

Put-Call Ratio (Volume): 1.092

Max Pain Level: 73100

Maximum CALL OI: 76000

Maximum PUT OI: 70000

Highest CALL Addition: 76000

Highest PUT Addition: 70000

FII & DII Cash Market Activity

FIIs Net SELL: ₹ 8,331.15 Cr.

DIIs Net BUY: ₹ 7,171.80 Cr.

FII Derivatives Activity

FII Trading Stats1.04.2630.03.2627.03.26
FII Cash (Provisional Data)-8,331.15-11,163.06-4,367.30
    
Index Future Open Interest Long Ratio16.20%15.13%15.4%
Index Future Volume Long Ratio49.43%41.54%42.9%
Call Option Open Interest Long Ratio37.36%34.96%43.9%
Call Option Volume Long Ratio49.74%49.75%50.1%
Put Option Open Interest Long Ratio66.98%70.47%61.8%
Put Option Volume Long Ratio49.91%50.15%50.0%
Stock Future Open Interest Long Ratio57.17%56.84%56.3%
Stock Future Volume Long Ratio53.53%52.81%49.4%
    
Index FuturesFresh ShortLong CoveringFresh Short
Index OptionsFresh ShortLong CoveringFresh Long
    
Nifty FuturesFresh ShortLong CoveringFresh Short
Nifty OptionsFresh ShortLong CoveringFresh Long
    
BankNifty FuturesFresh LongLong CoveringFresh Short
BankNifty OptionsFresh LongLong CoveringFresh Long
    
FinNifty FuturesFresh LongLong CoveringFresh Short
FinNifty OptionsFresh ShortShort CoveringLong Covering
    
MidcpNifty FuturesShort CoveringShort CoveringFresh Long
MidcpNifty OptionsFresh ShortLong CoveringFresh Long
    
NiftyNxt50 FuturesShort CoveringLong CoveringLong Covering
NiftyNxt50 OptionsFresh LongShort CoveringFresh Long
    
Stock FuturesFresh LongShort CoveringLong Covering
Stock OptionsFresh ShortLong CoveringLong Covering

Fresh Long: Net Buy with Increase in Open Interest
Fresh Short: Net Sell with Increase in Open Interest
Short Covering: Net Buy with Decrease in Open Interest
Long Covering: Net Sell with Decrease in Open Interest

SENSEX weekly Expiry (2/04/2026)

The SENSEX index closed at 73134.32. The SENSEX weekly expiry for APRIL 2, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 0.864 against previous 1.022. The 76000CE option holds the maximum open interest, followed by the 70000PE and 77000CE options. Market participants have shown increased interest with significant open interest additions in the 76000CE option, with open interest additions also seen in the 70000PE and 75500CE options. On the other hand, open interest reductions were prominent in the 65100PE, 67000PE, and 72500CE options. Trading volume was highest in the 72000PE option, followed by the 75000CE and 73000PE options, indicating active trading in these strikes.

SENSEXWeeklyExpiry:02-04-2026
Index SpotPCR OIPrev PCR OIPCR VOL
73134.320.8641.0221.092
Total Open Interest Change in all CALLs & PUTs:
 CurrentPriorNet Ch
CALL:  2,72,26,700    1,47,01,640        1,25,25,060
PUT:  2,35,24,560    1,50,20,820           85,03,740
Top CALL Open Interest:
StrikeOIOI ChangeVolume
76000      19,09,500        12,22,880        4,71,32,500
77000      17,29,380          9,73,780        1,91,02,480
Top CALL Open Interest addition:
StrikeOIOI ChangeVolume
76000      19,09,500        12,22,880        4,71,32,500
75500      16,05,020        10,18,780        4,73,42,040
Top CALL Open Interest reduction:
StrikeOIOI ChangeVolume
72500        2,04,500        -3,39,700           17,65,560
81000            64,500        -1,19,800           10,53,540
Top CALL Volume:
StrikeOIOI ChangeVolume
75000      15,59,040          5,61,360        7,67,18,900
74000      10,50,360          6,36,060        6,97,10,020
Top PUT Open Interest:
StrikeOIOI ChangeVolume
70000      17,93,800        10,55,460        2,75,13,700
71000      14,05,160          9,78,420        5,74,26,420
Top PUT Open Interest addition:
StrikeOIOI ChangeVolume
70000      17,93,800        10,55,460        2,75,13,700
71000      14,05,160          9,78,420        5,74,26,420
Top PUT Open Interest reduction:
StrikeOIOI ChangeVolume
65100      13,56,780      -17,12,800           75,50,960
67000        3,57,320        -3,78,320           50,67,900
Top PUT Volume:
StrikeOIOI ChangeVolume
72000      10,07,300          6,51,600        8,53,26,800
73000        6,17,960          4,35,480        7,32,57,160

NIFTY Weekly Expiry (7/04/2026)

The NIFTY index closed at 22679.4. The NIFTY weekly expiry for APRIL 7, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 0.836 against previous 0.767. The 20200PE option holds the maximum open interest, followed by the 24000CE and 21000PE options. Market participants have shown increased interest with significant open interest additions in the 20200PE option, with open interest additions also seen in the 24000CE and 24500CE options. On the other hand, open interest reductions were prominent in the 22500CE, 22400CE, and 22300CE options. Trading volume was highest in the 23000CE option, followed by the 22800PE and 22900CE options, indicating active trading in these strikes.

NIFTYWeekly Expiry:07-04-2026
 Index Spot PCR OI Prev PCR OI PCR VOL
         22,679.40                0.836                  0.767               0.929
 Total Open Interest Change in all CALLs & PUTs:
  Current Prior Net Ch
 CALL:    9,52,49,310      6,03,27,995   3,49,21,315
 PUT:    7,96,47,750      4,62,51,270   3,33,96,480
 Top CALL Open Interest: 
 Strike OI OI Change Volume
               24,000       62,72,110         23,91,415         8,94,573
               24,500       59,24,880         22,80,200         4,35,639
 Top CALL Open Interest addition: 
 Strike OI OI Change Volume
               24,000       62,72,110         23,91,415         8,94,573
               24,500       59,24,880         22,80,200         4,35,639
 Top CALL Open Interest reduction: 
 Strike OI OI Change Volume
               22,500       15,58,375          -8,28,490         1,72,962
               22,400          3,87,140          -4,45,770             37,761
 Top CALL Volume:
 Strike OI OI Change Volume
               23,000       44,13,760         15,95,620       16,53,848
               22,900       21,44,090         14,49,045       15,31,797
 Top PUT Open Interest: 
 Strike OI OI Change Volume
               20,200       97,82,370         62,87,450         4,99,772
               21,000       60,29,205         20,68,560         5,02,111
 Top PUT Open Interest addition: 
 Strike OI OI Change Volume
               20,200       97,82,370         62,87,450         4,99,772
               21,000       60,29,205         20,68,560         5,02,111
 Top PUT Open Interest reduction: 
 Strike OI OI Change Volume
               20,500       46,51,530          -2,53,370         3,38,042
               20,600          6,98,815          -2,47,325         1,25,043
 Top PUT Volume: 
 Strike OI OI Change Volume
               22,800       14,51,190            9,72,465       15,95,780
               22,000       35,46,985            9,51,405       11,21,663

NIFTY Monthly Expiry (28/04/2026)

The NIFTY index closed at 22679.4. The NIFTY monthly expiry for APRIL 28, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 0.971 against previous 0.976. The 23000PE option holds the maximum open interest, followed by the 23000CE and 24000CE options. Market participants have shown increased interest with significant open interest additions in the 20500PE option, with open interest additions also seen in the 23000CE and 22500PE options. On the other hand, open interest reductions were prominent in the 21000CE, 25000PE, and 22500CE options. Trading volume was highest in the 23000PE option, followed by the 23000CE and 24000CE options, indicating active trading in these strikes.

NIFTY Monthly Expiry:28-04-2026
 Index Spot PCR OI Prev PCR OI PCR VOL
         22,679.40                0.971                  0.976               0.769
 Total Open Interest Change in all CALLs & PUTs:
  Current Prior Net Ch
 CALL:    4,08,97,610      3,90,80,600       18,17,010
 PUT:    3,97,24,880      3,81,51,035       15,73,845
 Top CALL Open Interest: 
 Strike OI OI Change Volume
               23,000       42,31,955            4,54,480             74,432
               24,000       35,54,265              -19,955             69,513
 Top CALL Open Interest addition: 
 Strike OI OI Change Volume
               23,000       42,31,955            4,54,480             74,432
               23,500       28,89,120            2,43,685             53,569
 Top CALL Open Interest reduction: 
 Strike OI OI Change Volume
               21,000       10,12,960          -4,21,525             10,337
               22,500       15,51,940          -2,76,185             26,589
 Top CALL Volume:
 Strike OI OI Change Volume
               23,000       42,31,955            4,54,480             74,432
               24,000       35,54,265              -19,955             69,513
 Top PUT Open Interest: 
 Strike OI OI Change Volume
               23,000       48,71,685            2,28,800             78,287
               21,000       32,75,350            1,13,620             61,674
 Top PUT Open Interest addition: 
 Strike OI OI Change Volume
               20,500       16,33,580            6,19,450             44,793
               22,500       27,53,335            3,24,350             53,579
 Top PUT Open Interest reduction: 
 Strike OI OI Change Volume
               25,000       19,81,460          -3,45,280               7,892
               24,000       19,34,660          -1,48,135             12,829
 Top PUT Volume: 
 Strike OI OI Change Volume
               23,000       48,71,685            2,28,800             78,287
               21,000       32,75,350            1,13,620             61,674

BANKNIFTY Monthly Expiry (28/04/2026)

The BANKNIFTY index closed at 51448.65. The BANKNIFTY monthly expiry for APRIL 28, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 0.843 against previous 0.856. The 60000CE option holds the maximum open interest, followed by the 55000CE and 60000PE options. Market participants have shown increased interest with significant open interest additions in the 60000CE option, with open interest additions also seen in the 51000PE and 45000PE options. On the other hand, open interest reductions were prominent in the 51000CE, 50500CE, and 50400CE options. Trading volume was highest in the 55000CE option, followed by the 52000CE and 50000PE options, indicating active trading in these strikes.

BANKNIFTY Monthly Expiry:28-04-2026
 Index Spot PCR OI Prev PCR OI PCR VOL
         51,448.65                0.843                  0.856               0.654
 Total Open Interest Change in all CALLs & PUTs:
  Current Prior Net Ch
 CALL:    1,01,47,080         83,97,420       17,49,660
 PUT:       85,57,500         71,85,090       13,72,410
 Top CALL Open Interest: 
 Strike OI OI Change Volume
               60,000       13,33,770            2,07,210             49,709
               55,000          6,38,340               85,170             64,044
 Top CALL Open Interest addition: 
 Strike OI OI Change Volume
               60,000       13,33,770            2,07,210             49,709
               56,000          4,30,830            1,26,930             37,145
 Top CALL Open Interest reduction: 
 Strike OI OI Change Volume
               51,000          2,41,860              -68,040             27,457
               50,500             66,450              -30,270               6,122
 Top CALL Volume:
 Strike OI OI Change Volume
               55,000          6,38,340               85,170             64,044
               52,000          4,02,870            1,17,390             56,618
 Top PUT Open Interest: 
 Strike OI OI Change Volume
               60,000          6,10,380              -23,430               1,859
               51,000          5,83,890            1,84,290             47,272
 Top PUT Open Interest addition: 
 Strike OI OI Change Volume
               51,000          5,83,890            1,84,290             47,272
               45,000          1,54,770            1,31,610             20,953
 Top PUT Open Interest reduction: 
 Strike OI OI Change Volume
               50,500          1,21,560              -28,320             17,599
               46,500          1,82,730              -26,130             15,602
 Top PUT Volume: 
 Strike OI OI Change Volume
               50,000          3,84,030               29,790             49,746
               51,500          2,04,510               82,470             48,612

MIDCPNIFTY Monthly Expiry (28/04/2026)

The MIDCPNIFTY index closed at 12460.05. The MIDCPNIFTY monthly expiry for APRIL 28, 2026, 2025 has revealed key trends in open interest. The current Put/Call Ratio is at 0.893 against previous 0.830. The 11000PE option holds the maximum open interest, followed by the 12000PE and 12500CE options. Market participants have shown increased interest with significant open interest additions in the 11000PE option, with open interest additions also seen in the 11500PE and 12500CE options. On the other hand, open interest reductions were prominent in the 73700PE, 73700PE, and 73700CE options. Trading volume was highest in the 13500CE option, followed by the 12500CE and 12500PE options, indicating active trading in these strikes.

MIDCPNIFTY Monthly Expiry:28-04-2026
 Index Spot PCR OI Prev PCR OI PCR VOL
         12,460.05                0.893                  0.830               0.747
 Total Open Interest Change in all CALLs & PUTs:
  Current Prior Net Ch
 CALL:       21,53,640         10,71,840       10,81,800
 PUT:       19,23,000            8,89,920       10,33,080
 Top CALL Open Interest: 
 Strike OI OI Change Volume
               12,500          2,54,400            1,48,080               9,940
               13,000          2,17,440               93,360               5,779
 Top CALL Open Interest addition: 
 Strike OI OI Change Volume
               12,500          2,54,400            1,48,080               9,940
               12,600          1,34,280            1,10,280               5,790
 Top CALL Open Interest reduction: 
 Strike OI OI Change Volume
               12,000             55,080              -12,840                   607
               12,300             34,680                -8,880               1,129
 Top CALL Volume:
 Strike OI OI Change Volume
               13,500          2,15,520               78,480             10,490
               12,500          2,54,400            1,48,080               9,940
 Top PUT Open Interest: 
 Strike OI OI Change Volume
               11,000          4,35,480            1,84,440               6,160
               12,000          2,84,760               90,960               5,912
 Top PUT Open Interest addition: 
 Strike OI OI Change Volume
               11,000          4,35,480            1,84,440               6,160
               11,500          1,52,400            1,52,400               2,693
 Top PUT Open Interest reduction: 
 Strike OI OI Change Volume
               13,500             25,440                    -840                   168
               15,000                1,440                    -120                       1
 Top PUT Volume: 
 Strike OI OI Change Volume
               12,500          2,45,640            1,26,480               9,097
               11,000          4,35,480            1,84,440               6,160

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

From a broader Open Interest Volume Analysis perspective, the market structure for 1 April 2026 reflects a classic derivative short-covering rally across indices, triggered by bears exiting positions rather than bulls aggressively entering the market. While price action appears strong on the surface, the simultaneous fall in open interest and sharp contraction in volumes across futures contracts indicates that the move may lack strong follow-through unless fresh longs start building in the coming sessions.
Options positioning also signals underlying caution among institutional traders. NIFTY’s 23000 strike emerging as a major options magnet, along with heavy CALL writing at higher strikes like 24000, suggests that upside could face resistance zones quickly if fresh buying momentum does not emerge. Similarly, BANKNIFTY’s relatively low PCR and large CALL concentrations indicate that traders are still hedging against potential pullbacks despite the strong bounce.
Another key risk highlighted by the Open Interest Volume Analysis is the lack of volume confirmation across most index futures, which typically raises the probability of volatile consolidation or profit-booking after short-covering rallies. If prices continue rising while open interest starts increasing again, that would signal fresh long formation and stronger bullish conviction. However, if open interest rises with price declines, it could mean new short positions building at higher levels.
Traders should therefore approach the market with measured optimism rather than aggressive bullish positioning. Watching how the market behaves around NIFTY 23000 and MIDCPNIFTY 12500, along with BANKNIFTY’s ability to sustain above the 52000 zone, will be critical in determining whether today’s rally evolves into a trend continuation or simply remains a short-covering bounce before the next directional move.

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