NSE & BSE Indices Futures and Options Open Interest Volume Analysis for 19/08/2025

The Open Interest Volume Analysis for 19th August 2025 reveals a market that is beginning to pause after a solid rebound, as traders shift into consolidation mode ahead of expiry. Nifty August futures inched up 0.27% to 25,033.50, but an open interest drop of 1.3% and a big 37-point fall in premium show that the up-move is still being powered by short covering, not new long build-up. Volume dropped nearly 47%, underlining a clear reduction in active trading and suggesting traders are comfortable trimming risk.

Option data highlights this sentiment: the Put-Call Ratio (OI) for the week jumped to 1.11, showing a renewed interest in put writing near 25,000—which is also where max pain sits—and heavy call open interest puts a ceiling at this psychological level as well. The monthly series echoes this range-bound mood, with max pain steady at 25,000 and the Put-Call Ratio (OI) edging higher, so traders are circling this level as a likely expiry magnet.

BankNifty and FINNIFTY data reflect similar caution. In BankNifty, a modest up-move was joined by an open interest drop and shrinking premium, signaling more short covering and little conviction for sustained upside. In FINNIFTY, prices were slightly lower and OI also fell, keeping the index locked in a wait-and-watch zone. MIDCPNIFTY was a quiet outperformer, up 0.67% with rising OI and a strong Put-Call Ratio—suggesting selective bullish interest in the midcap basket. SENSEX, meanwhile, showed a healthy gain but a notable drop in both OI and premium, reinforcing that this is still a cautious, unwinding market.

NSE & BSE F&O Market Signals

NIFTY AUGUST Future

NIFTY Spot closed at: 24,980.65 (0.42%)

NIFTY AUGUST Future closed at: 25,033.50 (0.27%)

Premium: 52.85 (Decreased by -37 points)

Open Interest Change: -1.3%

Volume Change: -46.8%

NIFTY Weekly Expiry (21/08/2025) Option Analysis

Put-Call Ratio (Open Interest): 1.113 (Increased from 0.874)

Put-Call Ratio (Volume): 0.811

Max Pain Level: 25000

Maximum CALL Open Interest: 25000

Maximum PUT Open Interest: 24900

Highest CALL Addition: 25500

Highest PUT Addition: 25000

NIFTY Monthly Expiry (28/08/2025) Option Analysis

Put-Call Ratio (Open Interest): 1.097 (Increased from 1.084)

Put-Call Ratio (Volume): 0.951

Max Pain Level: 25000

Maximum CALL Open Interest: 25000

Maximum PUT Open Interest: 25000

Highest CALL Addition: 26500

Highest PUT Addition: 22600

BANKNIFTY AUGUST Future

BANKNIFTY Spot closed at: 55,865.15 (0.23%)

BANKNIFTY AUGUST Future closed at: 55,965.80 (0.18%)

Premium: 100.65 (Decreased by -27.25 points)

Open Interest Change: -3.8%

Volume Change: -52.6%

BANKNIFTY Monthly Expiry  (28/08/2025) Option Analysis

Put-Call Ratio (Open Interest): 0.776 (Increased from 0.719)

Put-Call Ratio (Volume): 0.811

Max Pain Level: 56000

Maximum CALL Open Interest: 57000

Maximum PUT Open Interest: 57000

Highest CALL Addition: 65000

Highest PUT Addition: 55700

FINNIFTY AUGUST Future

FINNIFTY Spot closed at: 26,592.30 (-0.06%)

FINNIFTY AUGUST Future closed at: 26,658.40 (-0.09%)

Premium:  66.1 (Decreased by -8.5 points)

Open Interest Change: -1.1%

Volume Change: -60.3%

FINNIFTY Monthly Expiry  (28/08/2025) Option Analysis

Put-Call Ratio (Open Interest): 0.841 (Decreased from 0.916)

Put-Call Ratio (Volume): 0.904

Max Pain Level: 26600

Maximum CALL Open Interest: 27000

Maximum PUT Open Interest: 26000

Highest CALL Addition: 27000

Highest PUT Addition: 26600

MIDCPNIFTY AUGUST Future

MIDCPNIFTY Spot closed at: 12,908.30 (0.76%)

MIDCPNIFTY AUGUST Future closed at: 12,958.30 (0.67%)

Premium: 50 (Decreased by -10.85 points)

Open Interest Change: 2.6%

Volume Change: -48.3%

MIDCPNIFTY Monthly Expiry  (28/08/2025) Option Analysis

Put-Call Ratio (Open Interest): 1.123 (Increased from 1.056)

Put-Call Ratio (Volume): 0.923

Max Pain Level: 12800

Maximum CALL Open Interest: 13500

Maximum PUT Open Interest: 12000

Highest CALL Addition: 12950

Highest PUT Addition: 12800

SENSEX Monthly Expiry (24/08/2025) Future

SENSEX Spot closed at: 81,644.39 (0.46%)

SENSEX Monthly Future closed at: 81,780.90 (0.27%)

Premium: 136.51 (Decreased by -147.84 points)

Open Interest Change: -6.1%

Volume Change: -11.4%

SENSEX Weekly Expiry (26/08/2025) Option Analysis

Put-Call Ratio (OI): 1.213 (Increased from 0.989)

Put-Call Ratio (Volume): 1.080

Max Pain Level: 81500

Maximum CALL OI: 81500

Maximum PUT OI: 80000

Highest CALL Addition: 84000

Highest PUT Addition: 80000

FII & DII Cash Market Activity

FIIs Net SELL: ₹ 634.26 Cr
DIIs Net BUY: ₹ 2,261.06 Cr

FII Derivatives Activity

FII Trading Stats	19.08.25	18.08.25	14.08.25
FII Cash (Provisional Data)	-634.26	550.85	-1,926.76
Index Future Open Interest Long Ratio	9.71%	9.73%	8.30%
Index Future Volume Long Ratio	49.35%	64.61%	49.61%
Call Option Open Interest Long Ratio	49.14%	47.97%	47.04%
Call Option Volume Long Ratio	50.20%	50.03%	49.85%
Put Option Open Interest Long Ratio	66.65%	66.80%	71.87%
Put Option Volume Long Ratio	50.11%	49.99%	50.09%
Stock Future Open Interest Long Ratio	62.41%	62.13%	61.72%
Stock Future Volume Long Ratio	53.18%	53.67%	47.74%
Index Futures	Fresh Short	Short Covering	Long Covering
Index Options	Fresh Long	Fresh Long	Long Covering
Nifty Futures	Fresh Short	Short Covering	Short Covering
Nifty Options	Fresh Long	Fresh Short	Long Covering
BankNifty Futures	Short Covering	Fresh Long	Short Covering
BankNifty Options	Fresh Short	Fresh Long	Fresh Short
FinNifty Futures	Fresh Short	Fresh Long	Long Covering
FinNifty Options	Fresh Long	Fresh Long	Fresh Long
MidcpNifty Futures	Fresh Short	Short Covering	Long Covering
MidcpNifty Options	Fresh Short	Fresh Long	Fresh Long
NiftyNxt50 Futures	Short Covering	Fresh Long	Long Covering
NiftyNxt50 Options	Fresh Long	Fresh Short	Long Covering
Stock Futures	Fresh Long	Fresh Long	Fresh Short
Stock Options	Fresh Short	Fresh Short	Fresh Long

Fresh Long: increase in open interest and increase in price
Fresh Short: increase in open interest and decrease in price
Short Covering: decrease in open interest and increase in price
Long Covering: decrease in open interest and decrease in price

NSE & BSE Option market Trends : Options Insights

NIFTY Weekly Expiry (21/08/2025)

The NIFTY index closed at 24980.65. The NIFTY weekly expiry for AUGUST 21, 2025 has revealed key trends in open interest. The current Put/Call Ratio is at 1.113 against previous 0.874. The 25000CE option holds the maximum open interest, followed by the 25500CE and 24900PE options. Market participants have shown increased interest with significant open interest additions in the 25000PE option, with open interest additions also seen in the 24900PE and 24950PE options. On the other hand, open interest reductions were prominent in the 23900PE, 24900CE, and 25600CE options. Trading volume was highest in the 25000CE option, followed by the 24900PE and 24900CE options, indicating active trading in these strikes.

NIFTY	Weekly	Expiry:	21-08-2025
Index Spot	PCR OI	Prev PCR OI	PCR VOL
24,980.65	1.113	0.874	0.811
Total Open Interest Change in all CALLs & PUTs:
	Current	Prior	Net Ch
CALL:	12,96,08,475	11,98,68,975	97,39,500
PUT:	14,42,66,250	10,48,18,950	3,94,47,300
Top CALL Open Interest:
Strike	OI	OI Change	Volume
25,000	1,18,19,175	11,43,075	43,91,169
25,500	1,15,41,900	33,40,500	11,80,056
Top CALL Open Interest addition:
Strike	OI	OI Change	Volume
25,500	1,15,41,900	33,40,500	11,80,056
25,300	73,04,100	29,38,575	14,44,419
Top CALL Open Interest reduction:
Strike	OI	OI Change	Volume
24,900	32,88,075	-14,48,025	30,65,168
25,600	43,20,900	-14,33,550	6,56,699
Top CALL Volume:
Strike	OI	OI Change	Volume
25,000	1,18,19,175	11,43,075	43,91,169
24,900	32,88,075	-14,48,025	30,65,168
Top PUT Open Interest:
Strike	OI	OI Change	Volume
24,900	1,13,81,775	58,37,025	35,87,201
25,000	1,04,81,175	60,04,500	28,59,229
Top PUT Open Interest addition:
Strike	OI	OI Change	Volume
25,000	1,04,81,175	60,04,500	28,59,229
24,900	1,13,81,775	58,37,025	35,87,201
Top PUT Open Interest reduction:
Strike	OI	OI Change	Volume
23,900	22,95,825	-16,37,025	2,82,462
24,400	49,78,500	-5,97,675	4,98,899
Top PUT Volume:
Strike	OI	OI Change	Volume
24,900	1,13,81,775	58,37,025	35,87,201
25,000	1,04,81,175	60,04,500	28,59,229

SENSEX Weekly Expiry (26/08/2025)

The SENSEX index closed at 81644.39. The SENSEX weekly expiry for AUGUST 26, 2025 has revealed key trends in open interest. The current Put/Call Ratio is at 1.213 against previous 0.989. The 80000PE option holds the maximum open interest, followed by the 81500PE and 79000PE options. Market participants have shown increased interest with significant open interest additions in the 80000PE option, with open interest additions also seen in the 81500PE and 78000PE options. On the other hand, open interest reductions were prominent in the 80900CE, 80900CE, and 80800CE options. Trading volume was highest in the 81500PE option, followed by the 81500CE and 82000CE options, indicating active trading in these strikes.

SENSEX	Weekly	Expiry:	26-08-2025
Index Spot	PCR OI	Prev PCR OI	PCR VOL
81644.39	1.213	0.989	1.080
Total Open Interest Change in all CALLs & PUTs:
	Current	Prior	Net Ch
CALL:	31,38,000	10,84,980	20,53,020
PUT:	38,05,760	10,73,280	27,32,480
Top CALL Open Interest:
Strike	OI	OI Change	Volume
81500	3,14,840	1,58,940	17,65,840
84000	3,05,740	2,28,340	9,01,040
Top CALL Open Interest addition:
Strike	OI	OI Change	Volume
84000	3,05,740	2,28,340	9,01,040
82000	2,80,820	1,82,660	13,72,120
Top CALL Open Interest reduction:
Strike	OI	OI Change	Volume
80900	5,760	-1,900	19,080
80900	5,760	-1,900	19,080
Top CALL Volume:
Strike	OI	OI Change	Volume
81500	3,14,840	1,58,940	17,65,840
82000	2,80,820	1,82,660	13,72,120
Top PUT Open Interest:
Strike	OI	OI Change	Volume
80000	4,04,160	3,18,540	13,21,360
81500	3,96,160	2,57,680	21,72,840
Top PUT Open Interest addition:
Strike	OI	OI Change	Volume
80000	4,04,160	3,18,540	13,21,360
81500	3,96,160	2,57,680	21,72,840
Top PUT Open Interest reduction:
Strike	OI	OI Change	Volume
75600	1,900	-80	620
–	–	–	–
Top PUT Volume:
Strike	OI	OI Change	Volume
81500	3,96,160	2,57,680	21,72,840
80000	4,04,160	3,18,540	13,21,360

NIFTY Monthly Expiry (28/08/2025)

The NIFTY index closed at 24980.65. The NIFTY monthly expiry for AUGUST 28, 2025 has revealed key trends in open interest. The current Put/Call Ratio is at 1.097 against previous 1.084. The 25000CE option holds the maximum open interest, followed by the 25000PE and 25500CE options. Market participants have shown increased interest with significant open interest additions in the 22600PE option, with open interest additions also seen in the 25000PE and 26500CE options. On the other hand, open interest reductions were prominent in the 23200PE, 25300CE, and 24700CE options. Trading volume was highest in the 25000CE option, followed by the 25000PE and 25200CE options, indicating active trading in these strikes.

NIFTY	Monthly	Expiry:	28-08-2025
Index Spot	PCR OI	Prev PCR OI	PCR VOL
24,980.65	1.097	1.084	0.951
Total Open Interest Change in all CALLs & PUTs:
	Current	Prior	Net Ch
CALL:	5,23,06,725	4,60,08,075	62,98,650
PUT:	5,73,98,775	4,98,93,300	75,05,475
Top CALL Open Interest:
Strike	OI	OI Change	Volume
25,000	68,31,825	2,93,850	2,67,353
25,500	53,51,025	6,25,875	1,41,651
Top CALL Open Interest addition:
Strike	OI	OI Change	Volume
26,500	22,42,425	7,92,600	31,682
25,100	22,60,350	6,44,925	1,15,129
Top CALL Open Interest reduction:
Strike	OI	OI Change	Volume
25,300	19,97,625	-1,27,125	1,06,119
24,700	9,78,975	-1,18,725	18,921
Top CALL Volume:
Strike	OI	OI Change	Volume
25,000	68,31,825	2,93,850	2,67,353
25,200	38,32,950	4,06,650	1,49,967
Top PUT Open Interest:
Strike	OI	OI Change	Volume
25,000	56,65,050	11,47,500	2,06,079
24,500	49,11,975	5,63,325	1,08,363
Top PUT Open Interest addition:
Strike	OI	OI Change	Volume
22,600	19,04,400	12,74,550	36,787
25,000	56,65,050	11,47,500	2,06,079
Top PUT Open Interest reduction:
Strike	OI	OI Change	Volume
23,200	3,46,500	-2,06,625	10,529
23,400	2,22,825	-98,475	13,183
Top PUT Volume:
Strike	OI	OI Change	Volume
25,000	56,65,050	11,47,500	2,06,079
24,900	19,69,725	6,47,700	1,31,445

BANKNIFTY Monthly Expiry (28/08/2025)

The BANKNIFTY index closed at 55865.15. The BANKNIFTY monthly expiry for AUGUST 28, 2025 has revealed key trends in open interest. The current Put/Call Ratio is at 0.776 against previous 0.719. The 57000CE option holds the maximum open interest, followed by the 56000CE and 57000PE options. Market participants have shown increased interest with significant open interest additions in the 55700PE option, with open interest additions also seen in the 55600PE and 55900PE options. On the other hand, open interest reductions were prominent in the 59000CE, 55500CE, and 51000PE options. Trading volume was highest in the 56000CE option, followed by the 55800CE and 56000PE options, indicating active trading in these strikes.

BANKNIFTY	Monthly	Expiry:	28-08-2025
Index Spot	PCR OI	Prev PCR OI	PCR VOL
55,865.15	0.776	0.719	0.811
Total Open Interest Change in all CALLs & PUTs:
	Current	Prior	Net Ch
CALL:	1,92,74,395	1,94,12,295	-1,37,900
PUT:	1,49,53,085	1,39,57,265	9,95,820
Top CALL Open Interest:
Strike	OI	OI Change	Volume
57,000	23,23,930	-37,275	1,13,052
56,000	16,13,780	38,430	2,21,381
Top CALL Open Interest addition:
Strike	OI	OI Change	Volume
65,000	6,87,120	99,155	13,448
64,000	2,21,830	64,120	6,818
Top CALL Open Interest reduction:
Strike	OI	OI Change	Volume
59,000	8,28,905	-96,950	50,819
55,500	7,11,165	-91,315	81,130
Top CALL Volume:
Strike	OI	OI Change	Volume
56,000	16,13,780	38,430	2,21,381
55,800	4,18,110	15,435	1,68,092
Top PUT Open Interest:
Strike	OI	OI Change	Volume
57,000	12,92,655	-3,115	4,394
56,000	11,51,290	1,11,055	1,48,241
Top PUT Open Interest addition:
Strike	OI	OI Change	Volume
55,700	4,75,895	2,76,535	1,37,636
55,600	2,91,130	1,25,335	91,976
Top PUT Open Interest reduction:
Strike	OI	OI Change	Volume
51,000	3,11,395	-91,175	17,570
52,500	2,98,060	-60,515	18,752
Top PUT Volume:
Strike	OI	OI Change	Volume
56,000	11,51,290	1,11,055	1,48,241
55,800	4,12,300	81,165	1,40,427

FINNIFTY Monthly Expiry (28/08/2025)

The FINNIFTY index closed at 26592.3. The FINNIFTY monthly expiry for AUGUST 28, 2025 has revealed key trends in open interest. The current Put/Call Ratio is at 0.841 against previous 0.916. The 27000CE option holds the maximum open interest, followed by the 27900CE and 26600CE options. Market participants have shown increased interest with significant open interest additions in the 27000CE option, with open interest additions also seen in the 26600CE and 26600PE options. On the other hand, open interest reductions were prominent in the 27500CE, 26350PE, and 26300PE options. Trading volume was highest in the 27000CE option, followed by the 26600CE and 26600PE options, indicating active trading in these strikes.

FINNIFTY	Monthly	Expiry:	28-08-2025
Index Spot	PCR OI	Prev PCR OI	PCR VOL
26,592.30	0.841	0.916	0.904
Total Open Interest Change in all CALLs & PUTs:
	Current	Prior	Net Ch
CALL:	12,43,580	10,29,665	2,13,915
PUT:	10,46,305	9,43,670	1,02,635
Top CALL Open Interest:
Strike	OI	OI Change	Volume
27,000	1,49,825	61,360	11,384
27,900	1,17,195	-2,665	1,577
Top CALL Open Interest addition:
Strike	OI	OI Change	Volume
27,000	1,49,825	61,360	11,384
26,600	1,02,050	59,215	10,187
Top CALL Open Interest reduction:
Strike	OI	OI Change	Volume
27,500	91,130	-16,575	3,127
27,300	21,450	-8,580	1,307
Top CALL Volume:
Strike	OI	OI Change	Volume
27,000	1,49,825	61,360	11,384
26,600	1,02,050	59,215	10,187
Top PUT Open Interest:
Strike	OI	OI Change	Volume
26,000	98,735	26,325	7,169
26,600	98,475	56,225	8,731
Top PUT Open Interest addition:
Strike	OI	OI Change	Volume
26,600	98,475	56,225	8,731
26,000	98,735	26,325	7,169
Top PUT Open Interest reduction:
Strike	OI	OI Change	Volume
26,350	8,385	-9,360	537
26,300	35,165	-8,580	3,277
Top PUT Volume:
Strike	OI	OI Change	Volume
26,600	98,475	56,225	8,731
26,000	98,735	26,325	7,169

MIDCPNIFTY Monthly Expiry (28/08/2025)

The MIDCPNIFTY index closed at 12908.3. The MIDCPNIFTY monthly expiry for AUGUST 28, 2025 has revealed key trends in open interest. The current Put/Call Ratio is at 1.123 against previous 1.056. The 12000PE option holds the maximum open interest, followed by the 13500CE and 12800PE options. Market participants have shown increased interest with significant open interest additions in the 12950CE option, with open interest additions also seen in the 12800PE and 12900PE options. On the other hand, open interest reductions were prominent in the 67000CE, 66000PE, and 66500CE options. Trading volume was highest in the 13000CE option, followed by the 12800PE and 12900CE options, indicating active trading in these strikes.

MIDCPNIFTY	Monthly	Expiry:	28-08-2025
Index Spot	PCR OI	Prev PCR OI	PCR VOL
12,908.30	1.123	1.056	0.923
Total Open Interest Change in all CALLs & PUTs:
	Current	Prior	Net Ch
CALL:	73,76,180	68,18,980	5,57,200
PUT:	82,81,560	71,98,800	10,82,760
Top CALL Open Interest:
Strike	OI	OI Change	Volume
13,500	6,83,200	-1,120	12,337
13,000	6,72,000	-56,280	36,190
Top CALL Open Interest addition:
Strike	OI	OI Change	Volume
12,950	2,53,260	2,07,060	5,140
13,900	1,90,540	1,33,700	2,516
Top CALL Open Interest reduction:
Strike	OI	OI Change	Volume
13,000	6,72,000	-56,280	36,190
12,800	4,61,160	-53,760	23,371
Top CALL Volume:
Strike	OI	OI Change	Volume
13,000	6,72,000	-56,280	36,190
12,900	4,82,160	-30,240	27,867
Top PUT Open Interest:
Strike	OI	OI Change	Volume
12,000	8,41,540	-29,820	8,100
12,800	6,72,700	1,83,820	31,340
Top PUT Open Interest addition:
Strike	OI	OI Change	Volume
12,800	6,72,700	1,83,820	31,340
12,900	3,84,440	1,78,500	16,052
Top PUT Open Interest reduction:
Strike	OI	OI Change	Volume
11,700	2,35,760	-99,120	3,096
12,250	40,320	-46,620	1,134
Top PUT Volume:
Strike	OI	OI Change	Volume
12,800	6,72,700	1,83,820	31,340
12,700	4,40,020	1,04,580	18,592

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

This session’s Open Interest Volume Analysis points to a market entering a phase of healthy consolidation as expiry nears. For Nifty, the key takeaway is that 25,000 remains both a magnet and resistance—traders should expect choppy action here, with iron condors, straddles, or strangles around this strike likely to be most productive for range-bound setups. Don’t chase breakouts unless fresh open interest is seen adding on rising prices, and keep stops tight if support at 24,900 falters. In BankNifty and FINNIFTY, similar caution is warranted; until OI growth and volumes pick up on the upside, remain tactical and focus on hedged strategies. Midcap bulls can stay alert for momentum as OI trends lean more positive in MIDCPNIFTY. Overall, let this Open Interest Volume Analysis drive your trading plan through expiry week—keep risk light, favor market-neutral structures, and be ready to move quickly as positions get squared and new trends emerge.

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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