Turning Complex Derivative Data into Clear Market Insights
NSE & BSE Indices Futures and Options Open Interest Volume Analysis for 17/09/2026

Table of Contents
Running our daily institutional Open Interest Volume Analysis, the tape confirms that smart money is actively decoupling frontline indices from broader market equities, using tactical short-covering on NIFTY to absorb cash supply while systematically hedging forward exposures.
Decoupling the tenors highlights where genuine conviction is concentrating: while NIFTY saw tactical front-month Short Covering (-0.45% OI) and steady accumulation in October (+4.31% OI), BANKNIFTY witnessed a massive forward-curve short buildup, where October futures Open Interest exploded by an extraordinary +480.03% on an 184% volume surge alongside severe basis compression.
Meanwhile, MIDCPNIFTY extended its relative strength with synchronized Fresh Longs across both September (+0.84% OI) and October (+14.65% OI) tenors, and weekly Put-Call Ratios across NIFTY and SENSEX held firmly near parity. Let’s break down the strike inventory, basis shifts, and critical inflection nodes so your desk executes with absolute clarity in tomorrow’s session!
NSE & BSE F&O Market Signals
NIFTY Future analysis
NIFTY Spot closed at: 23270.6 (0.228%)
Combined = September + October + November
Combined Fut Open Interest Change: 0.48%
Combined Fut Volume Change: -3.32%
Combined Fut Open Interest Analysis: Fresh Long
Rollover: 21% Previous 20%
NIFTY SEPTEMBER Future closed at: 23333.4 (0.263%)
Sep Fut Premium 62.8 (Increased by 8.1 points)
Sep Fut Open Interest Change: -0.45%
Sep Fut Volume Change: -5.74%
Sep Fut Open Interest Analysis: Short Covering
NIFTY OCTOBER Future closed at: 23442 (0.306%)
Oct Fut Premium 171.4 (Increased by 18.4 points)
Oct Fut Open Interest Change: 4.31%
Oct Fut Volume Change: 14.47%
Oct Fut Open Interest Analysis: Fresh Long
NIFTY Weekly Expiry (22/09/2026) Option Analysis
Put-Call Ratio (Open Interest): 0.995 (Increased from 0.938)
Put-Call Ratio (Volume): 0.957
Max Pain Level: 23300
Maximum CALL Open Interest: 24500
Maximum PUT Open Interest: 22000
Highest CALL Addition: 24500
Highest PUT Addition: 22000
NIFTY Monthly Expiry (29/09/2026) Option Analysis
Put-Call Ratio (Open Interest): 0.954 (Decreased from 0.969)
Put-Call Ratio (Volume): 0.744
Max Pain Level: 23800
Maximum CALL Open Interest: 24000
Maximum PUT Open Interest: 23000
Highest CALL Addition: 23300
Highest PUT Addition: 23300
BANKNIFTY Future Analysis
BANKNIFTY Spot closed at: 56055.75 (-0.420%)
Combined = September + October + November
Combined Fut Open Interest Change: -0.80%
Combined Fut Volume Change: -21.88%
Combined Fut Open Interest Analysis: Long Covering
Rollover: 15% Previous 15%
BANKNIFTY SEPTEMBER Future closed at: 56310 (-0.173%)
Sep Fut Premium 254.25 (Increased by 138.9 points)
Sep Fut Open Interest Change: -1.3%
Sep Fut Volume Change: -22.7%
Sep Fut Open Interest Analysis: Long Covering
BANKNIFTY OCTOBER Future closed at: 56594.6 (-0.669%)
Oct Fut Premium 538.85 (Decreased by -144.7 points)
Oct Fut Open Interest Change: 480.03%
Oct Fut Volume Change: 184.83%
Oct Fut Open Interest Analysis: Fresh Short
BANKNIFTY Monthly Expiry (29/09/2026) Option Analysis
Put-Call Ratio (Open Interest): 0.826 (Decreased from 0.860)
Put-Call Ratio (Volume): 0.896
Max Pain Level: 57100
Maximum CALL Open Interest: 57500
Maximum PUT Open Interest: 57500
Highest CALL Addition: 58000
Highest PUT Addition: 54000
MIDCPNIFTY Future Analysis
MIDCPNIFTY Spot closed at: 14421.85 (0.934%)
Combined = September + October + November
Combined Fut Open Interest Change: 1.35%
Combined Fut Volume Change: -41.61%
Combined Fut Open Interest Analysis: Fresh Long
Rollover: 5% Previous 4%
MIDCPNIFTY SEPTEMBER Future closed at: 14438.8 (0.830%)
Sep Fut Premium 16.95 (Decreased by -14.6 points)
Sep Fut Open Interest Change: 0.84%
Sep Fut Volume Change: -47.79%
Sep Fut Open Interest Analysis: Fresh Long
MIDCPNIFTY OCTOBER Future closed at: 14470.7 (0.793%)
Oct Fut Premium4 8.85 (Decreased by -19.5 points)
Oct Fut Open Interest Change: 14.65%
Oct Fut Volume Change: 31.79%
Oct Fut Open Interest Analysis: Fresh Long
MIDCPNIFTY Monthly Expiry (29/09/2026) Option Analysis
Put-Call Ratio (Open Interest): 0.959 (Increased from 0.876)
Put-Call Ratio (Volume): 1.164
Max Pain Level: 14500
Maximum CALL Open Interest: 15000
Maximum PUT Open Interest: 14000
Highest CALL Addition: 14900
Highest PUT Addition: 13800
SENSEX Monthly Expiry (24/09/2026) Future
SENSEX Spot closed at: 74,314.59 (-0.029%)
SENSEX Monthly Future closed at: 74,549.85 (0.169%)
Premium: 235.26 (Increased by 147.86 points)
Open Interest Change: -2.99%
Volume Change: 21.06%
Open Interest Analysis: Short Covering
SENSEX Weekly Expiry (24/09/2026) Option Analysis
Put-Call Ratio (OI): 1.171 (Increased from 1.055)
Put-Call Ratio (Volume): 1.024
Max Pain Level: 74600
Maximum CALL OI: 74500
Maximum PUT OI: 68000
Highest CALL Addition: 74500
Highest PUT Addition: 68000
FII & DII Cash Market Activity
FIIs Net SELL: ₹ 3,208.76 Cr.
DIIs Net BUY: ₹ 3,617.75 Cr.
FII Derivatives Activity
| FII Trading Stats | 17.09.26 | 16.09.26 | 15.09.26 |
| FII Cash (Provisional Data) | -3,208.76 | -2,032.61 | -2,977.86 |
| Index Future Open Interest Long Ratio | 12.35% | 12.39% | 12.06% |
| Index Future Volume Long Ratio | 44.21% | 56.78% | 44.28% |
| Call Option Open Interest Long Ratio | 41.02% | 40.30% | 38.57% |
| Call Option Volume Long Ratio | 50.05% | 50.27% | 49.36% |
| Put Option Open Interest Long Ratio | 67.40% | 67.14% | 73.59% |
| Put Option Volume Long Ratio | 50.31% | 48.91% | 50.22% |
| Stock Future Open Interest Long Ratio | 54.22% | 54.21% | 53.93% |
| Stock Future Volume Long Ratio | 50.39% | 54.14% | 48.48% |
| Index Futures | Fresh Short | Fresh Long | Fresh Short |
| Index Options | Fresh Long | Fresh Short | Long Covering |
| Nifty Futures | Fresh Short | Fresh Long | Fresh Short |
| Nifty Options | Fresh Long | Fresh Short | Long Covering |
| BankNifty Futures | Fresh Short | Short Covering | Long Covering |
| BankNifty Options | Fresh Short | Fresh Short | Fresh Short |
| FinNifty Futures | Fresh Short | Fresh Long | Fresh Short |
| FinNifty Options | Fresh Long | Fresh Long | Long Covering |
| MidcpNifty Futures | Fresh Short | Fresh Short | Fresh Long |
| MidcpNifty Options | Fresh Long | Fresh Short | Fresh Short |
| NiftyNxt50 Futures | Fresh Short | Fresh Long | Short Covering |
| NiftyNxt50 Options | Fresh Long | Fresh Long | Long Covering |
| Stock Futures | Fresh Long | Fresh Long | Long Covering |
| Stock Options | Fresh Short | Fresh Short | Fresh Short |
NSE & BSE Option market Trends : Options Insights
SENSEX weekly Expiry (24/09/2026)
The SENSEX index closed at 74314.59. The SENSEX weekly expiry for SEPTEMBER 24, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 1.171 against previous 1.055. The 74500CE option holds the maximum open interest, followed by the 68000PE and 74500PE options. Market participants have shown increased interest with significant open interest additions in the 68000PE option, with open interest additions also seen in the 74500CE and 74500PE options. On the other hand, open interest reductions were prominent in the 80300CE, 81900CE
| SENSEX | Weekly | Expiry: | 24-09-2026 |
| Index Spot | PCR OI | Prev PCR OI | PCR VOL |
| 74314.59 | 1.171 | 1.055 | 1.024 |
| Total Open Interest Change in all CALLs & PUTs: | |||
| Current | Prior | Net Ch | |
| CALL: | 40,39,360 | 17,89,940 | 22,49,420 |
| PUT: | 47,28,460 | 18,88,500 | 28,39,960 |
| Top CALL Open Interest: | |||
| Strike | OI | OI Change | Volume |
| 74500 | 3,70,440 | 2,56,620 | 23,10,780 |
| 76000 | 3,39,980 | 1,62,760 | 15,93,220 |
| Top CALL Open Interest addition: | |||
| Strike | OI | OI Change | Volume |
| 74500 | 3,70,440 | 2,56,620 | 23,10,780 |
| 77000 | 3,07,680 | 1,70,520 | 12,45,380 |
| Top CALL Open Interest reduction: | |||
| Strike | OI | OI Change | Volume |
| 80300 | – | -120 | 120 |
| 81900 | – | -100 | 100 |
| Top CALL Volume: | |||
| Strike | OI | OI Change | Volume |
| 74500 | 3,70,440 | 2,56,620 | 23,10,780 |
| 75000 | 2,68,000 | 1,15,320 | 16,67,000 |
| Top PUT Open Interest: | |||
| Strike | OI | OI Change | Volume |
| 68000 | 3,68,660 | 3,51,140 | 6,78,600 |
| 74500 | 3,41,300 | 2,17,920 | 21,00,020 |
| Top PUT Open Interest addition: | |||
| Strike | OI | OI Change | Volume |
| 68000 | 3,68,660 | 3,51,140 | 6,78,600 |
| 74500 | 3,41,300 | 2,17,920 | 21,00,020 |
| Top PUT Open Interest reduction: | |||
| Strike | OI | OI Change | Volume |
| 77400 | 1,540 | -20 | 480 |
| 76700 | 1,660 | – | 260 |
| Top PUT Volume: | |||
| Strike | OI | OI Change | Volume |
| 74500 | 3,41,300 | 2,17,920 | 21,00,020 |
| 74000 | 2,15,960 | 69,620 | 15,62,960 |
NIFTY Weekly Expiry (22/09/2026)
The NIFTY index closed at 23270.6. The NIFTY weekly expiry for SEPTEMBER 22, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 0.995 against previous 0.938. The 22000PE option holds the maximum open interest, followed by the 24500CE and 24000CE options. Market participants have shown increased interest with significant open interest additions in the 24500CE option, with open interest additions also seen in the 22000PE and 23300PE options. On the other hand, open interest reductions were prominent in the 25000CE, 21700PE
| NIFTY | Weekly | Expiry: | 22-09-2026 |
| Index Spot | PCR OI | Prev PCR OI | PCR VOL |
| 23,270.60 | 0.995 | 0.938 | 0.957 |
| Total Open Interest Change in all CALLs & PUTs: | |||
| Current | Prior | Net Ch | |
| CALL: | 14,74,35,210 | 12,15,68,265 | 2,58,66,945 |
| PUT: | 14,67,32,300 | 11,40,36,585 | 3,26,95,715 |
| Top CALL Open Interest: | |||
| Strike | OI | OI Change | Volume |
| 24,500 | 1,04,49,985 | 45,52,535 | 5,41,187 |
| 24,000 | 1,03,09,845 | 16,52,430 | 9,17,800 |
| Top CALL Open Interest addition: | |||
| Strike | OI | OI Change | Volume |
| 24,500 | 1,04,49,985 | 45,52,535 | 5,41,187 |
| 23,900 | 68,04,720 | 23,18,745 | 7,48,805 |
| Top CALL Open Interest reduction: | |||
| Strike | OI | OI Change | Volume |
| 25,000 | 42,08,230 | -20,76,945 | 2,55,576 |
| 23,200 | 33,26,960 | -9,84,815 | 16,05,681 |
| Top CALL Volume: | |||
| Strike | OI | OI Change | Volume |
| 23,300 | 66,04,520 | 22,14,225 | 34,09,675 |
| 23,400 | 65,23,140 | 8,84,195 | 21,99,107 |
| Top PUT Open Interest: | |||
| Strike | OI | OI Change | Volume |
| 22,000 | 1,09,17,465 | 44,73,820 | 7,25,341 |
| 23,000 | 96,52,695 | 15,20,220 | 17,48,328 |
| Top PUT Open Interest addition: | |||
| Strike | OI | OI Change | Volume |
| 22,000 | 1,09,17,465 | 44,73,820 | 7,25,341 |
| 23,300 | 67,93,020 | 35,94,370 | 30,57,712 |
| Top PUT Open Interest reduction: | |||
| Strike | OI | OI Change | Volume |
| 21,700 | 47,92,710 | -10,65,220 | 2,37,437 |
| 21,650 | 12,67,175 | -2,99,585 | 83,618 |
| Top PUT Volume: | |||
| Strike | OI | OI Change | Volume |
| 23,300 | 67,93,020 | 35,94,370 | 30,57,712 |
| 23,200 | 86,99,015 | 12,31,880 | 29,23,802 |
NIFTY Monthly Expiry (29/09/2026)
The NIFTY index closed at 23270.6. The NIFTY monthly expiry for SEPTEMBER 29, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 0.954 against previous 0.969. The 24000CE option holds the maximum open interest, followed by the 23000PE and 24500CE options. Market participants have shown increased interest with significant open interest additions in the 23300PE option, with open interest additions also seen in the 23300CE and 23900CE options. On the other hand, open interest reductions were prominent in the 24000PE, 23000PE
| NIFTY | Monthly | Expiry: | 29-09-2026 |
| Index Spot | PCR OI | Prev PCR OI | PCR VOL |
| 23,270.60 | 0.954 | 0.969 | 0.744 |
| Total Open Interest Change in all CALLs & PUTs: | |||
| Current | Prior | Net Ch | |
| CALL: | 8,82,47,140 | 8,20,20,140 | 62,27,000 |
| PUT: | 8,41,57,430 | 7,94,69,045 | 46,88,385 |
| Top CALL Open Interest: | |||
| Strike | OI | OI Change | Volume |
| 24,000 | 99,14,190 | -26,585 | 1,94,862 |
| 24,500 | 56,43,495 | 2,00,200 | 68,468 |
| Top CALL Open Interest addition: | |||
| Strike | OI | OI Change | Volume |
| 23,300 | 35,21,895 | 11,48,810 | 1,88,049 |
| 23,900 | 34,29,530 | 10,83,290 | 1,10,727 |
| Top CALL Open Interest reduction: | |||
| Strike | OI | OI Change | Volume |
| 25,000 | 48,34,375 | -1,18,235 | 24,096 |
| 24,350 | 5,37,940 | -76,440 | 5,375 |
| Top CALL Volume: | |||
| Strike | OI | OI Change | Volume |
| 24,000 | 99,14,190 | -26,585 | 1,94,862 |
| 23,500 | 46,10,840 | 3,06,020 | 1,93,574 |
| Top PUT Open Interest: | |||
| Strike | OI | OI Change | Volume |
| 23,000 | 69,88,970 | -1,35,005 | 1,62,642 |
| 24,000 | 55,46,850 | -2,18,790 | 16,084 |
| Top PUT Open Interest addition: | |||
| Strike | OI | OI Change | Volume |
| 23,300 | 42,47,295 | 11,72,145 | 1,67,111 |
| 23,200 | 32,68,265 | 4,72,875 | 1,21,667 |
| Top PUT Open Interest reduction: | |||
| Strike | OI | OI Change | Volume |
| 24,000 | 55,46,850 | -2,18,790 | 16,084 |
| 23,000 | 69,88,970 | -1,35,005 | 1,62,642 |
| Top PUT Volume: | |||
| Strike | OI | OI Change | Volume |
| 23,300 | 42,47,295 | 11,72,145 | 1,67,111 |
| 23,000 | 69,88,970 | -1,35,005 | 1,62,642 |
BANKNIFTY Monthly Expiry (29/09/2026)
The BANKNIFTY index closed at 56055.75. The BANKNIFTY monthly expiry for SEPTEMBER 29, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 0.826 against previous 0.860. 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 58000CE option, with open interest additions also seen in the 56500CE and 60500CE options. On the other hand, open interest reductions were prominent in the 53500PE, 57500CE
| BANKNIFTY | Monthly | Expiry: | 29-09-2026 |
| Index Spot | PCR OI | Prev PCR OI | PCR VOL |
| 56,055.75 | 0.826 | 0.860 | 0.896 |
| Total Open Interest Change in all CALLs & PUTs: | |||
| Current | Prior | Net Ch | |
| CALL: | 1,77,68,220 | 1,70,39,970 | 7,28,250 |
| PUT: | 1,46,82,300 | 1,46,62,710 | 19,590 |
| Top CALL Open Interest: | |||
| Strike | OI | OI Change | Volume |
| 57,500 | 21,34,170 | -94,020 | 83,165 |
| 58,000 | 17,29,980 | 1,19,460 | 80,728 |
| Top CALL Open Interest addition: | |||
| Strike | OI | OI Change | Volume |
| 58,000 | 17,29,980 | 1,19,460 | 80,728 |
| 56,500 | 6,46,800 | 1,04,370 | 1,47,793 |
| Top CALL Open Interest reduction: | |||
| Strike | OI | OI Change | Volume |
| 57,500 | 21,34,170 | -94,020 | 83,165 |
| 59,000 | 10,34,880 | -60,870 | 38,473 |
| Top CALL Volume: | |||
| Strike | OI | OI Change | Volume |
| 56,500 | 6,46,800 | 1,04,370 | 1,47,793 |
| 57,000 | 11,25,390 | 69,690 | 1,06,575 |
| Top PUT Open Interest: | |||
| Strike | OI | OI Change | Volume |
| 57,500 | 15,81,600 | 270 | 4,468 |
| 54,000 | 9,48,210 | 91,020 | 47,397 |
| Top PUT Open Interest addition: | |||
| Strike | OI | OI Change | Volume |
| 54,000 | 9,48,210 | 91,020 | 47,397 |
| 54,400 | 81,720 | 44,400 | 9,648 |
| Top PUT Open Interest reduction: | |||
| Strike | OI | OI Change | Volume |
| 53,500 | 2,87,400 | -1,07,910 | 32,081 |
| 50,000 | 3,84,720 | -40,080 | 20,347 |
| Top PUT Volume: | |||
| Strike | OI | OI Change | Volume |
| 56,000 | 8,40,600 | -24,570 | 1,32,228 |
| 56,500 | 5,71,140 | -36,000 | 1,05,053 |
MIDCPNIFTY Monthly Expiry (29/09/2026)
The MIDCPNIFTY index closed at 14421.85. The MIDCPNIFTY monthly expiry for SEPTEMBER 29, 2026, 2025 has revealed key trends in open interest. The current Put/Call Ratio is at 0.959 against previous 0.876. The 15000CE option holds the maximum open interest, followed by the 14000PE and 13800PE options. Market participants have shown increased interest with significant open interest additions in the 13800PE option, with open interest additions also seen in the 14400PE and 14300PE options. On the other hand, open interest reductions were prominent in the 70000PE, 74500CE
| MIDCPNIFTY | Monthly | Expiry: | 29-09-2026 |
| Index Spot | PCR OI | Prev PCR OI | PCR VOL |
| 14,421.85 | 0.959 | 0.876 | 1.164 |
| Total Open Interest Change in all CALLs & PUTs: | |||
| Current | Prior | Net Ch | |
| CALL: | 82,06,800 | 84,32,880 | -2,26,080 |
| PUT: | 78,67,680 | 73,83,240 | 4,84,440 |
| Top CALL Open Interest: | |||
| Strike | OI | OI Change | Volume |
| 15,000 | 10,45,800 | 46,800 | 7,092 |
| 14,500 | 5,98,920 | -1,11,000 | 12,721 |
| Top CALL Open Interest addition: | |||
| Strike | OI | OI Change | Volume |
| 14,900 | 5,06,520 | 54,240 | 3,697 |
| 15,000 | 10,45,800 | 46,800 | 7,092 |
| Top CALL Open Interest reduction: | |||
| Strike | OI | OI Change | Volume |
| 14,500 | 5,98,920 | -1,11,000 | 12,721 |
| 16,000 | 3,12,840 | -73,200 | 1,158 |
| Top CALL Volume: | |||
| Strike | OI | OI Change | Volume |
| 14,500 | 5,98,920 | -1,11,000 | 12,721 |
| 14,400 | 4,54,920 | 21,600 | 11,416 |
| Top PUT Open Interest: | |||
| Strike | OI | OI Change | Volume |
| 14,000 | 10,23,600 | -6,360 | 15,510 |
| 13,800 | 8,91,840 | 2,99,760 | 8,415 |
| Top PUT Open Interest addition: | |||
| Strike | OI | OI Change | Volume |
| 13,800 | 8,91,840 | 2,99,760 | 8,415 |
| 14,400 | 4,42,560 | 95,640 | 13,326 |
| Top PUT Open Interest reduction: | |||
| Strike | OI | OI Change | Volume |
| 13,500 | 5,21,880 | -2,08,440 | 6,849 |
| 13,600 | 38,040 | -24,960 | 1,491 |
| Top PUT Volume: | |||
| Strike | OI | OI Change | Volume |
| 14,000 | 10,23,600 | -6,360 | 15,510 |
| 14,400 | 4,42,560 | 95,640 | 13,326 |
Conclusion: What the NSE & BSE Indices Futures and Options Open Interest Volume Analysis Tells Us
To synthesize today’s Open Interest Volume Analysis, market participants are navigating an asymmetric tape: midcaps and benchmark indices are finding steady accumulation on pullbacks, but the forward short build in banking heavyweights demands strict discipline when trading long setups near overhead resistance:
NIFTY (Measured Accumulation & Weekly Floor): Front-month September futures registered modest Short Covering (-0.45% OI) with basis expanding to +62.8 points, while October absorbed +4.31% OI in structural Fresh Longs. In the weekly options chain (22/09 expiry), the PCR climbed to 0.995—closing right at parity—as call writers backed off to 24,500, while put additions clustered at 22,000, anchoring Max Pain at 23,300. Actionable Feedback: The 23,280–23,300 zone represents our primary intraday support pivot. Maintain a “Buy on Dips” approach; initiate long setups on orderly retests of 23,280–23,320 with a strict stop-loss below 23,220, targeting 23,420 and a retest of the 23,500 monthly call-concentration zone.
BANKNIFTY (Massive October Short Blitz / The Primary Drag): The banking index flashed an acute institutional warning signal. While front-month contracts saw routine Long Covering (-1.3% OI), October futures registered a monstrous +480.03% OI addition on a 184.8% volume explosion, with the October premium collapsing by -144.7 points into heavy Fresh Shorting. Monthly PCR degraded to 0.826, with call additions stepping up to 58,000. Actionable Feedback: Do not initiate unhedged long exposure in banking names. The aggressive forward short build marks 56,350–56,500 as an institutional supply zone. Look to sell into pullbacks near 56,250–56,350 with risk strictly defined above 56,600, targeting downside liquidity into 55,800 and the 55,500 structural base.
MIDCPNIFTY (High-Conviction Broader Market Leadership): Midcaps posted the cleanest institutional bullish structure of the day, gaining nearly +1% in spot (+0.934%). Futures confirmed genuine multi-tenor accumulation, adding +0.84% OI in September and an aggressive +14.65% OI in October Fresh Longs on a 31% volume uptick. Monthly PCR improved to 0.959, with call additions lifting toward 14,900. Actionable Feedback: The broader market remains in a strong accumulation trend. Buy intraday dips into the 14,380–14,410 pocket with an invalidation stop-loss placed below 14,330, targeting 14,500 (Max Pain) and an extension toward 14,620.
SENSEX (Short Covering & Weekly Put Wall Consolidation): SENSEX monthly futures added +147.86 points in basis as bears trimmed exposure (-2.99% OI in Short Covering). In the weekly chain (24/09 expiry), the PCR strengthened further to 1.171 with volume PCR at 1.024. While call writers established a firm ceiling at 74,500 (Maximum Call OI and Highest Call Addition), put writers fortified deep structural floors at 68,000, aligning Max Pain at 74,600. Actionable Feedback: The index is settling into an accumulation range. Long positions should be initiated near 74,150–74,250 with a tight stop-loss below 74,000, targeting 74,500–74,600, where upside will face immediate call-writing supply.
Why did NIFTY futures show positive build-up while BANKNIFTY faced heavy selling?
We saw a classic sector divergence across Dalal Street. NIFTY benefited from tactical front-month short covering (-0.45% OI) and steady accumulation in the October series (+4.31% OI). In contrast, institutional desks aggressively used banking heavyweights as their primary hedging vehicle, offloading cash inventory and rolling structural short positions forward into October.
What does the massive 480% Open Interest surge in BANKNIFTY October futures mean?
This is the most critical warning sign from today’s Open Interest Volume Analysis. October BANKNIFTY futures didn’t just see routine hedging—OI exploded by +480.03% on an 184% volume jump while the premium collapsed by over 144 points. This indicates that institutional desks are establishing high-conviction, multi-week short positions on the banking index rather than just executing intraday plays.
Is the rally in MIDCPNIFTY sustainable, or is it a bull trap?
nlike previous relief bounces that were fueled purely by short covering, today’s move in midcaps was backed by genuine institutional buying. Both September (+0.84% OI) and October (+14.65% OI) contracts saw synchronized Fresh Long additions, while the monthly Put-Call Ratio climbed back toward parity at 0.959. As long as spot holds above 14,330, the broader market is in an active accumulation phase.
What is the primary intraday support level to watch on NIFTY?
The 23,280–23,300 zone is the master pivot. It represents a direct confluence of weekly Max Pain (23,300) and the September futures premium floor. With the weekly Put-Call Ratio recovering to 0.995 and call writers retreating up to 24,500, pullbacks into 23,280–23,320 provide favorable risk-reward long entries, provided spot doesn’t break below 23,220.
Where are option sellers concentrating their risk on SENSEX?
The battle lines on SENSEX are clearly marked around the 74,500 strike. That single strike holds both the Maximum Call Open Interest and the Highest Call Addition for the weekly cycle. While put writers have built a strong safety net lower down at 68,000, any rally toward 74,500–74,600 will run into heavy call-writing resistance unless fresh institutional cash triggers a sustained breakout.
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