Turning Complex Derivative Data into Clear Market Insights
NSE & BSE Indices Futures and Options Open Interest Volume Analysis for 24/09/2026
Table of Contents
Running our daily Open Interest Volume Analysis, the sheer velocity and volume of capital deploying into forward-month short positions reveals that institutional desks have systematically pivoted from tactical hedging to aggressive directional conviction for the October series.
The defining development of the day is the complete surrender of the broader market: MIDCPNIFTY’s multi-week resilience evaporated in a single session—spot plunged -3.65% while October futures Open Interest erupted by an eye-watering +458.45% on a 1,070% volume surge, with contracts violently slipping into a discount.
Simultaneously, as front-month September longs were heavily liquidated into expiry roll, NIFTY and BANKNIFTY October futures absorbed massive Fresh Short additions (+47.69% and +70.97% OI respectively), triggering a synchronized collapse in Put-Call Ratios across the board as option writers abandoned their put strikes. Let’s dissect the institutional footprint, basis shifts, and tactical strike inventory so your desk can navigate tomorrow’s high-volatility tape!
NSE & BSE F&O Market Signals
NIFTY Future analysis
NIFTY Spot closed at: 23063.1 (-1.636%)
Combined = September + October + November
Combined Fut Open Interest Change: 5.29%
Combined Fut Volume Change: 216.10%
Combined Fut Open Interest Analysis: Fresh Short
Rollover: 40% Previous 30%
NIFTY SEPTEMBER Future closed at: 23108.6 (-1.455%)
Sep Fut Premium 45.5 (Increased by 42.5 points)
Sep Fut Open Interest Change: -9.90%
Sep Fut Volume Change: 146.32%
Sep Fut Open Interest Analysis: Long Covering
NIFTY OCTOBER Future closed at: 23186.1 (-1.539%)
Oct Fut Premium 123 (Increased by 21.2 points)
Oct Fut Open Interest Change: 47.69%
Oct Fut Volume Change: 392.77%
Oct Fut Open Interest Analysis: Fresh Short
NIFTY Monthly Expiry (29/09/2026) Option Analysis
Put-Call Ratio (Open Interest): 0.722 (Decreased from 1.016)
Put-Call Ratio (Volume): 1.088
Max Pain Level: 23300
Maximum CALL Open Interest: 24000
Maximum PUT Open Interest: 22000
Highest CALL Addition: 23200
Highest PUT Addition: 22000
BANKNIFTY Future Analysis
BANKNIFTY Spot closed at: 55438.5 (-1.964%)
Combined = September + October + November
Combined Fut Open Interest Change: 13.77%
Combined Fut Volume Change: 201.39%
Combined Fut Open Interest Analysis: Fresh Short
Rollover: 35% Previous 24%
BANKNIFTY SEPTEMBER Future closed at: 55616 (-1.887%)
Sep Fut Premium 177.5 (Increased by 40.6 points)
Sep Fut Open Interest Change: -2.6%
Sep Fut Volume Change: 105.5%
Sep Fut Open Interest Analysis: Long Covering
BANKNIFTY OCTOBER Future closed at: 55897.2 (-1.901%)
Oct Fut Premium 458.7 (Increased by 27.2 points)
Oct Fut Open Interest Change: 70.97%
Oct Fut Volume Change: 511.28%
Oct Fut Open Interest Analysis: Fresh Short
BANKNIFTY Monthly Expiry (29/09/2026) Option Analysis
Put-Call Ratio (Open Interest): 0.741 (Decreased from 0.934)
Put-Call Ratio (Volume): 0.988
Max Pain Level: 56500
Maximum CALL Open Interest: 57500
Maximum PUT Open Interest: 57500
Highest CALL Addition: 56000
Highest PUT Addition: 53000
MIDCPNIFTY Future Analysis
MIDCPNIFTY Spot closed at: 14040.3 (-3.650%)
Combined = September + October + November
Combined Fut Open Interest Change: 19.47%
Combined Fut Volume Change: 633.71%
Combined Fut Open Interest Analysis: Fresh Short
Rollover: 34% Previous 8%
MIDCPNIFTY SEPTEMBER Future closed at: 14045.3 (-3.598%)
Sep Fut Premium 5 (Increased by 7.75 points)
Sep Fut Open Interest Change: -14.64%
Sep Fut Volume Change: 395.93%
Sep Fut Open Interest Analysis: Long Covering
MIDCPNIFTY OCTOBER Future closed at: 14029.7 (-3.934%)
Oct Fut Discount -10.6 (Decreased by -42.55 points)
Oct Fut Open Interest Change: 458.45%
Oct Fut Volume Change: 1070.23%
Oct Fut Open Interest Analysis: Fresh Short
MIDCPNIFTY Monthly Expiry (29/09/2026) Option Analysis
Put-Call Ratio (Open Interest): 0.708 (Decreased from 0.971)
Put-Call Ratio (Volume): 0.831
Max Pain Level: 14300
Maximum CALL Open Interest: 15000
Maximum PUT Open Interest: 14000
Highest CALL Addition: 14300
Highest PUT Addition: 13800
SENSEX Monthly Expiry (29/10/2026) Future
SENSEX Spot closed at: 73,580.54 (-1.667%)
SENSEX Monthly Future closed at: 74,439.75 (-1.331%)
Premium: 859.21 (Increased by 243.41 points)
Open Interest Change: 157.40%
Volume Change: 467.24%
Open Interest Analysis: Fresh Short
SENSEX Weekly Expiry (1/10/2026) Option Analysis
Put-Call Ratio (OI): 0.889 (Decreased from 1.106)
Put-Call Ratio (Volume): 0.894
Max Pain Level: 74000
Maximum CALL OI: 74000
Maximum PUT OI: 72000
Highest CALL Addition: 74000
Highest PUT Addition: 71000
FII & DII Cash Market Activity
FIIs Net SELL: ₹ 5,027.36 Cr.
DIIs Net BUY: ₹ 4,301.18 Cr.
FII Derivatives Activity
| FII Trading Stats | 24.09.26 | 23.09.26 | 22.09.26 |
| FII Cash (Provisional Data) | -5,027.36 | 1,617.45 | -3,809.99 |
| Index Future Open Interest Long Ratio | 11.01% | 10.69% | 10.50% |
| Index Future Volume Long Ratio | 44.52% | 57.45% | 39.44% |
| Call Option Open Interest Long Ratio | 43.57% | 44.10% | 40.71% |
| Call Option Volume Long Ratio | 49.35% | 50.94% | 49.58% |
| Put Option Open Interest Long Ratio | 67.75% | 66.12% | 71.53% |
| Put Option Volume Long Ratio | 51.10% | 48.60% | 49.79% |
| Stock Future Open Interest Long Ratio | 53.73% | 53.93% | 53.93% |
| Stock Future Volume Long Ratio | 49.65% | 50.14% | 50.17% |
| Index Futures | Fresh Short | Short Covering | Long Covering |
| Index Options | Fresh Long | Fresh Short | Long Covering |
| Nifty Futures | Fresh Short | Short Covering | Long Covering |
| Nifty Options | Fresh Long | Fresh Short | Long Covering |
| BankNifty Futures | Fresh Short | Short Covering | Fresh Short |
| BankNifty Options | Fresh Long | Fresh Short | Fresh Long |
| FinNifty Futures | Long Covering | Fresh Short | Short Covering |
| FinNifty Options | Fresh Short | Fresh Long | Fresh Long |
| MidcpNifty Futures | Short Covering | Fresh Long | Short Covering |
| MidcpNifty Options | Fresh Short | Fresh Long | Long Covering |
| NiftyNxt50 Futures | Long Covering | Fresh Short | Long Covering |
| NiftyNxt50 Options | Fresh Short | Fresh Long | Short Covering |
| Stock Futures | Long Covering | Fresh Long | Fresh Long |
| Stock Options | Short Covering | Fresh Short | Fresh Long |
NSE & BSE Option market Trends : Options Insights
SENSEX weekly Expiry (1/10/2026)
The SENSEX index closed at 73580.54. The SENSEX weekly expiry for SEPTEMBER 1, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 0.889 against previous 1.106. The 74000CE option holds the maximum open interest, followed by the 77000CE and 76000CE options. Market participants have shown increased interest with significant open interest additions in the 74000CE option, with open interest additions also seen in the 76000CE and 77000CE options. On the other hand, open interest reductions were prominent in the 75000PE, 77500CE
| SENSEX | Weekly | Expiry: | 01-10-2026 |
| Index Spot | PCR OI | Prev PCR OI | PCR VOL |
| 73580.54 | 0.889 | 1.106 | 0.894 |
| Total Open Interest Change in all CALLs & PUTs: | |||
| Current | Prior | Net Ch | |
| CALL: | 53,49,360 | 18,11,100 | 35,38,260 |
| PUT: | 47,56,540 | 20,03,360 | 27,53,180 |
| Top CALL Open Interest: | |||
| Strike | OI | OI Change | Volume |
| 74000 | 5,36,460 | 5,14,960 | 25,68,080 |
| 77000 | 4,39,020 | 3,14,200 | 17,34,060 |
| Top CALL Open Interest addition: | |||
| Strike | OI | OI Change | Volume |
| 74000 | 5,36,460 | 5,14,960 | 25,68,080 |
| 76000 | 4,36,680 | 3,16,540 | 22,80,480 |
| Top CALL Open Interest reduction: | |||
| Strike | OI | OI Change | Volume |
| 77500 | 2,18,040 | -17,300 | 9,02,320 |
| 79600 | 60 | -120 | 180 |
| Top CALL Volume: | |||
| Strike | OI | OI Change | Volume |
| 74000 | 5,36,460 | 5,14,960 | 25,68,080 |
| 76000 | 4,36,680 | 3,16,540 | 22,80,480 |
| Top PUT Open Interest: | |||
| Strike | OI | OI Change | Volume |
| 72000 | 4,24,900 | 1,87,700 | 18,24,900 |
| 69000 | 4,14,460 | 1,29,020 | 8,88,080 |
| Top PUT Open Interest addition: | |||
| Strike | OI | OI Change | Volume |
| 71000 | 3,37,760 | 2,56,660 | 10,97,080 |
| 74000 | 2,85,460 | 2,13,780 | 22,60,040 |
| Top PUT Open Interest reduction: | |||
| Strike | OI | OI Change | Volume |
| 75000 | 1,69,840 | -39,500 | 3,31,340 |
| 74700 | 13,120 | -16,100 | 99,460 |
| Top PUT Volume: | |||
| Strike | OI | OI Change | Volume |
| 74000 | 2,85,460 | 2,13,780 | 22,60,040 |
| 72500 | 2,82,000 | 1,65,600 | 18,77,820 |
NIFTY Monthly Expiry (29/09/2026)
The NIFTY index closed at 23063.1. The NIFTY monthly expiry for DECEMBER 1, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 0.722 against previous 1.016. The 24000CE option holds the maximum open interest, followed by the 23500CE and 24500CE options. Market participants have shown increased interest with significant open interest additions in the 23200CE option, with open interest additions also seen in the 23250CE and 23300CE options. On the other hand, open interest reductions were prominent in the 23400PE, 23300PE
| NIFTY | Monthly | Expiry: | 29-09-2026 |
| Index Spot | PCR OI | Prev PCR OI | PCR VOL |
| 23,063.10 | 0.722 | 1.016 | 1.088 |
| Total Open Interest Change in all CALLs & PUTs: | |||
| Current | Prior | Net Ch | |
| CALL: | 24,03,33,035 | 17,30,31,490 | 6,73,01,545 |
| PUT: | 17,36,38,645 | 17,58,30,895 | -21,92,250 |
| Top CALL Open Interest: | |||
| Strike | OI | OI Change | Volume |
| 24,000 | 1,94,09,845 | 41,10,340 | 11,44,027 |
| 23,500 | 1,35,72,065 | 32,89,975 | 13,21,364 |
| Top CALL Open Interest addition: | |||
| Strike | OI | OI Change | Volume |
| 23,200 | 1,19,49,275 | 1,04,77,350 | 24,35,670 |
| 23,250 | 98,79,220 | 88,88,295 | 18,15,098 |
| Top CALL Open Interest reduction: | |||
| Strike | OI | OI Change | Volume |
| 23,800 | 71,00,470 | -10,73,345 | 8,34,112 |
| 24,800 | 35,57,840 | -7,88,645 | 1,59,406 |
| Top CALL Volume: | |||
| Strike | OI | OI Change | Volume |
| 23,200 | 1,19,49,275 | 1,04,77,350 | 24,35,670 |
| 23,300 | 1,16,56,060 | 74,95,670 | 20,99,257 |
| Top PUT Open Interest: | |||
| Strike | OI | OI Change | Volume |
| 22,000 | 1,21,32,640 | 47,99,405 | 8,59,869 |
| 23,000 | 1,17,57,550 | -9,18,215 | 24,32,163 |
| Top PUT Open Interest addition: | |||
| Strike | OI | OI Change | Volume |
| 22,000 | 1,21,32,640 | 47,99,405 | 8,59,869 |
| 23,100 | 75,86,020 | 36,52,090 | 21,64,328 |
| Top PUT Open Interest reduction: | |||
| Strike | OI | OI Change | Volume |
| 23,400 | 40,28,505 | -75,66,260 | 6,86,934 |
| 23,300 | 55,49,050 | -36,61,450 | 15,73,261 |
| Top PUT Volume: | |||
| Strike | OI | OI Change | Volume |
| 23,200 | 48,52,445 | -13,56,485 | 31,72,255 |
| 23,000 | 1,17,57,550 | -9,18,215 | 24,32,163 |
BANKNIFTY Monthly Expiry (29/09/2026)
The BANKNIFTY index closed at 55438.5. The BANKNIFTY monthly expiry for SEPTEMBER 29, 2026 has revealed key trends in open interest. The current Put/Call Ratio is at 0.741 against previous 0.934. The 57500CE option holds the maximum open interest, followed by the 58000CE and 57000CE options. Market participants have shown increased interest with significant open interest additions in the 56000CE option, with open interest additions also seen in the 55500CE and 55700CE options. On the other hand, open interest reductions were prominent in the 56000PE, 56500PE
| BANKNIFTY | Monthly | Expiry: | 29-09-2026 |
| Index Spot | PCR OI | Prev PCR OI | PCR VOL |
| 55,438.50 | 0.741 | 0.934 | 0.988 |
| Total Open Interest Change in all CALLs & PUTs: | |||
| Current | Prior | Net Ch | |
| CALL: | 2,05,74,870 | 1,75,76,970 | 29,97,900 |
| PUT: | 1,52,55,030 | 1,64,08,590 | -11,53,560 |
| Top CALL Open Interest: | |||
| Strike | OI | OI Change | Volume |
| 57,500 | 19,10,790 | -59,730 | 1,52,005 |
| 58,000 | 15,72,600 | -15,330 | 1,63,808 |
| Top CALL Open Interest addition: | |||
| Strike | OI | OI Change | Volume |
| 56,000 | 9,84,240 | 6,37,260 | 2,62,613 |
| 55,500 | 4,37,760 | 3,47,400 | 1,60,521 |
| Top CALL Open Interest reduction: | |||
| Strike | OI | OI Change | Volume |
| 57,800 | 2,33,670 | -1,01,820 | 27,002 |
| 57,700 | 3,18,330 | -79,380 | 31,522 |
| Top CALL Volume: | |||
| Strike | OI | OI Change | Volume |
| 56,000 | 9,84,240 | 6,37,260 | 2,62,613 |
| 56,500 | 11,72,640 | 2,88,810 | 1,99,300 |
| Top PUT Open Interest: | |||
| Strike | OI | OI Change | Volume |
| 57,500 | 12,12,870 | -1,01,880 | 8,436 |
| 54,000 | 8,75,220 | -53,910 | 1,48,740 |
| Top PUT Open Interest addition: | |||
| Strike | OI | OI Change | Volume |
| 53,000 | 5,49,660 | 1,71,990 | 84,939 |
| 53,500 | 4,28,940 | 1,64,490 | 85,884 |
| Top PUT Open Interest reduction: | |||
| Strike | OI | OI Change | Volume |
| 56,000 | 6,75,420 | -3,59,580 | 1,58,092 |
| 56,500 | 6,14,970 | -3,54,300 | 65,592 |
| Top PUT Volume: | |||
| Strike | OI | OI Change | Volume |
| 55,500 | 6,31,380 | -21,720 | 2,82,644 |
| 55,000 | 8,14,800 | -1,19,820 | 2,61,096 |
MIDCPNIFTY Monthly Expiry (29/09/2026)
The MIDCPNIFTY index closed at 14040.3. The MIDCPNIFTY monthly expiry for SEPTEMBER 29, 2026, 2025 has revealed key trends in open interest. The current Put/Call Ratio is at 0.708 against previous 0.971. The 14000PE option holds the maximum open interest, followed by the 15000CE and 13800PE options. Market participants have shown increased interest with significant open interest additions in the 14300CE option, with open interest additions also seen in the 14400CE and 14200CE options. On the other hand, open interest reductions were prominent in the 71000PE, 71500PE
| MIDCPNIFTY | Monthly | Expiry: | 29-09-2026 |
| Index Spot | PCR OI | Prev PCR OI | PCR VOL |
| 14,040.30 | 0.708 | 0.971 | 0.831 |
| Total Open Interest Change in all CALLs & PUTs: | |||
| Current | Prior | Net Ch | |
| CALL: | 1,24,49,640 | 87,24,960 | 37,24,680 |
| PUT: | 88,12,560 | 84,70,920 | 3,41,640 |
| Top CALL Open Interest: | |||
| Strike | OI | OI Change | Volume |
| 15,000 | 10,36,560 | 1,70,400 | 14,782 |
| 14,400 | 9,25,920 | 5,88,720 | 40,111 |
| Top CALL Open Interest addition: | |||
| Strike | OI | OI Change | Volume |
| 14,300 | 9,00,600 | 6,42,480 | 43,438 |
| 14,400 | 9,25,920 | 5,88,720 | 40,111 |
| Top CALL Open Interest reduction: | |||
| Strike | OI | OI Change | Volume |
| 14,800 | 4,66,800 | -2,28,120 | 22,525 |
| 15,100 | 3,50,040 | -1,26,600 | 4,704 |
| Top CALL Volume: | |||
| Strike | OI | OI Change | Volume |
| 14,500 | 8,75,760 | 1,61,880 | 44,753 |
| 14,300 | 9,00,600 | 6,42,480 | 43,438 |
| Top PUT Open Interest: | |||
| Strike | OI | OI Change | Volume |
| 14,000 | 10,69,440 | 1,55,640 | 58,107 |
| 13,800 | 9,49,080 | 3,61,560 | 27,977 |
| Top PUT Open Interest addition: | |||
| Strike | OI | OI Change | Volume |
| 13,800 | 9,49,080 | 3,61,560 | 27,977 |
| 13,900 | 4,94,640 | 1,97,520 | 25,424 |
| Top PUT Open Interest reduction: | |||
| Strike | OI | OI Change | Volume |
| 14,500 | 4,25,280 | -4,77,120 | 13,051 |
| 14,200 | 3,29,760 | -2,12,400 | 49,188 |
| Top PUT Volume: | |||
| Strike | OI | OI Change | Volume |
| 14,000 | 10,69,440 | 1,55,640 | 58,107 |
| 14,200 | 3,29,760 | -2,12,400 | 49,188 |
Conclusion: What the NSE & BSE Indices Futures and Options Open Interest Volume Analysis Tells Us
To wrap up today’s Open Interest Volume Analysis, Dalal Street has officially locked into an aggressive negative gamma regime. Because weekly and monthly Put-Call Ratios have cratered to extreme oversold readings (0.70–0.74), chasing breakdowns at the intraday lows carries poor risk-reward; instead, the institutional playbook dictates aggressive “Sell on Rise” execution into freshly lowered call walls:
NIFTY (Forward Short Avalanche & Put Support Collapse): Front-month September futures saw aggressive Long Covering (-9.90% OI) with rollovers surging to 40%, but the October series absorbed a massive structural short build, expanding +47.69% OI on a 392% volume spike. In the monthly options chain (29/09 expiry), PCR collapsed from 1.016 to 0.722. Call writers aggressively rolled down their heavy guns to 23,200 (Highest Call Addition), while put writers were forced to retreat their primary defense deep down to 22,000, leaving Max Pain stranded at 23,300. Actionable Feedback: The 23,180–23,220 band (Highest Call Addition and October futures cluster) is now an impenetrable institutional supply wall. Adopt a strict “Sell on Rise” stance. Initiate fresh shorts on any pullback into 23,120–23,160 with a stop-loss placed above 23,220, targeting 23,000 and the 22,850 liquidity pocket.
BANKNIFTY (Massive October Short Blitz / The Anchor Leg): The banking heavyweight suffered severe institutional distribution (-1.96% spot). While September contracts saw long unwinding (-2.6% OI) with rollovers climbing to 35%, October futures saw an extraordinary +70.97% OI addition on an explosive 511.28% volume surge in high-conviction Fresh Shorts. Monthly PCR deteriorated to 0.741, with call writers locking down 56,000 as the overhead barrier, while put writers threw in the towel and pushed support expectations down to 53,000. Actionable Feedback: Counter-trend buying is strictly off the table. Fade any morning relief bounce toward the 55,650–55,800 zone with risk tightly defined above 56,050. Look for an institutional continuation slide toward 55,100 and the 54,800 mark.
MIDCPNIFTY (Catastrophic Capitulation / Deep Discount Emerges): The broader market decoupling narrative was violently crushed as spot crashed -3.65%. While September contracts saw panic Long Covering (-14.64% OI) on a 395% volume surge, October futures witnessed an unprecedented institutional short build—skyrocketing +458.45% OI on a 1,070% volume eruption and flipping into a -10.6 point discount. Monthly PCR plummeted to 0.708, with call writers suffocating price action at 14,300. Actionable Feedback: Avoid bottom-fishing in midcaps under all circumstances; the flip into forward discount confirms aggressive, panic-driven institutional selling. Look to initiate tactical shorts on failed intraday bounces into 14,120–14,180 with a stop-loss at 14,260, targeting 13,950 and the structural 13,800 put-addition floor.
SENSEX (Aggressive Rollover to October Shorts): Following the September expiry, SENSEX shifted its focus to the October monthly series, which witnessed an enormous +157.40% OI addition on a 467.24% volume surge in textbook Fresh Shorts. In the new weekly chain (01/10 expiry), PCR slid to 0.889, with aggressive call writing clustering at 74,000 (Maximum Call OI, Highest Call Addition, and Max Pain confluence), while put support dropped down to 71,000. Actionable Feedback: The 74,000 strike is the master overhead ceiling. Any pre-weekend pullback toward 73,850–73,950 should be shorted with an invalidation stop-loss placed above 74,100, targeting an orderly drift toward 73,200 and the 72,500 zone.
Q: Why are NIFTY and BANKNIFTY October futures seeing massive Fresh Short additions while September contracts show Long Covering?
A: This divergence marks an aggressive institutional rollover from tactical long positions into directional short exposure. As September settlement nears, traders closed out front-month contracts—seen as Long Covering (-9.90% OI in NIFTY, -2.6% OI in BANKNIFTY)—pushing rollovers up to 40% and 35% respectively. Instead of carrying long exposure forward, institutional desks aggressively established heavy Fresh Shorts in October contracts (+47.69% OI in NIFTY on a 392% volume surge, and +70.97% OI in BANKNIFTY on a 511% volume surge). Tracing our Open Interest Volume Analysis, this confirms smart money is positioning for sustained overhead supply across the upcoming series.
Q: What is the significance of the 458% Open Interest explosion and discount in MIDCPNIFTY October futures?
A: This reflects complete institutional capitulation in the broader market. After weeks of outperforming large caps, MIDCPNIFTY spot plunged -3.65%, and October futures Open Interest skyrocketed by +458.45% on a 1,070% volume eruption. Crucially, the October futures basis flipped from a premium into a -10.6 point discount. When high-volume open interest surges alongside a widening discount, it signals panic-driven institutional hedging and aggressive fresh short creation, invalidating prior accumulation setups.
Q: How should traders interpret the collapse in NIFTY and BANKNIFTY Put-Call Ratios down to 0.70–0.74?
A: The sharp drop in monthly Put-Call Ratios—NIFTY falling from 1.016 to 0.722 and BANKNIFTY sliding from 0.934 to 0.741—indicates that option sellers completely abandoned their put strikes. Institutional put writers were forced to cover underwater positions and retreat their primary defense lines far out-of-the-money (down to 22,000 on NIFTY and 53,000 on BANKNIFTY). While these compressed PCR levels signal heavily oversold conditions where intraday short-covering bounces can occur, the aggressive call writing overhead means relief rallies should be sold rather than chased.
Q: Where are the primary institutional support and resistance battlegrounds for NIFTY ahead of monthly expiry?
A: NIFTY derivative positioning has established clear boundaries for the September 29 monthly settlement:Overhead Supply: The 23,180–23,220 band serves as immediate structural resistance, anchored by the Highest Call Addition at 23,200 and the October futures close (23,186), with Max Pain sitting overhead at 23,300. Support Base: True institutional put support has retreated down to the 22,000 strike, which simultaneously holds the Maximum Put Open Interest and the Highest Put Addition, leaving intermediate support at the 22,850 cash liquidity pocket.
Q: What is the technical setup for SENSEX after the rollover into the October series?
A: SENSEX shifted its primary institutional volume into the October monthly contract, which recorded an enormous +157.40% OI surge on a 467% volume jump in textbook Fresh Shorts. In the weekly options chain (01/10 expiry), the 74,000 strike has formed an ironclad ceiling—locking in the Maximum Call OI, Highest Call Addition, and Max Pain level—while put writers have retreated down to 71,000. Any pre-settlement bounce toward 73,850–74,000 faces immediate call-writing supply.
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