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Central Depository Services (India) Limited

NSE: CDSL · Lot size: 475

Central Depository Services (India) Limited Option Chain Analysis

2026-04-282026-05-26
Total CE OI
51.2 L
Total PE OI
40.5 L
PCR
0.79
Bearish
CE OIChgVolIVLTPStrikeLTPIVVolChgPE OI
%72014.2%
%76013.0%
%80011.9%
%82011.4%
%84010.8%
%86010.3%
18K-475950%477.008800.50%030K
%9009.3%
3K0%474.259200.30%475019K
%9408.3%
4750%213.959600.55%017K
%359.609800.55%037K
23K-4756K%360.001,0000.45%30K-4K1.2 L
%322.651,0200.45%024K
46K0%345.801,0400.45%950048K
22K0%269.401,0600.7082.2%029K
97K0%301.951,0800.7076.3%19K-3K1.1 L
93K-10K21K%259.001,1000.7572.0%14K-2K2.1 L
89K0475%237.601,1200.9067.7%6K-4K1.0 L
1.2 L-3K7K%213.351,1401.0064.3%27K-8K1.1 L
93K0475%198.001,1601.2060.9%14K+4K1.3 L
99K0110.7%211.001,1801.3056.2%10K-1K98K
2.5 L-2K15K%161.351,2001.6553.2%20K02.6 L
65K-1K6K%134.901,2202.0049.2%35K+9K1.1 L
1.1 L+47510K%122.501,2402.6546.6%57K-17K1.5 L
78K-7K28K%101.001,2604.3045.3%66K+15K1.2 L
1.3 L022K%83.501,2805.8043.0%2.1 L-7K2.4 L
3.0 L-13K1.3 L27.3%67.251,3008.6541.4%3.2 L+13K3.9 L
1.5 L058K28.9%51.101,32013.7041.6%3.8 L+23K1.6 L
2.6 L+53K2.5 L32.5%39.901,34019.7540.7%4.6 L+12K2.2 L
4.0 L+1.1 L7.6 L32.9%28.851,36029.2041.8%6.2 L+78K2.8 L
6.5 L+3.1 L17.5 L34.0%19.951,38039.9542.0%3.4 L-4752.9 L
7.3 L+8K13.2 L34.2%13.301,400ATM52.6042.2%1.7 L-21K3.8 L
2.5 L+4756.2 L35.1%8.601,42067.9544.5%18K-47589K
3.4 L+14K5.6 L35.4%5.251,44084.5047.3%23K+4K33K
2.6 L-11K1.9 L36.4%3.401,460107.2052.7%22K+8K31K
1.6 L-18K1.3 L37.6%2.251,480120.2552.3%7K-3K83K
31K+27K35K38.7%1.401,500131.0047.3%07K
1.2 L-6K30K40.0%0.951,520164.8065.3%5K-95028K
2.5%1,540%
1.4 L-3K40K42.5%0.401,560200.0071.4%30K+8K1.1 L
3.1%1,580%
134.7%34.801,600288.20175.5%
3.6%1,620%
3.9%1,640%
4.2%1,660%
136.4%23.201,680355.40%
4.7%1,700%
5.0%1,720%
5.2%1,740%
5.5%1,760%
6.0%1,800%
6.5%1,840%
6.9%1,880%

Bold CE OI = highest call writing (resistance). Bold PE OI = highest put writing (support). ATM = at-the-money.

AI AnalysisGenerated daily after market close · AI-powered

Key Strike Levels

Immediate resistance forms at ₹1000, where call writers have amassed substantial open interest, indicating strong supply. On the downside, ₹1300 acts as major support, backed by deep put OI, showing aggressive defensive positioning. The implied range narrows between ₹1300 and ₹1000, though spot action near ₹1360 complicates directional bias.

OI Buildup Activity

Fresh longs dominate the 1380 CE, with a surge of +3.1 lakh contracts, suggesting bullish bets are building above spot. Call writers are actively defending 1360 and 1340, absorbing longs despite spot hovering near these strikes. On the put side, 1360 PE sees heavy OI addition (+77,425), reflecting short-term hedging, while deeper OTM support builds at 1320 and 1260.

Volatility Read

ATM volatility at 32.69% indicates elevated premium demand, typical during uncertain consolidation phases. The bearish skew—higher put IV vs. calls—reveals underlying caution, with puts commanding broader spreads.

Strategy Implication

Bullish OI buildup clashes with defensive put stacking, but writer activity at 1380 and 1360 suggests resistance may cap near-term upside, favoring a range-bound bias with skew protection.

Frequently Asked Questions

What is the highest call OI strike for Central Depository Services (India) Limited today?
The strike with highest call (CE) open interest for Central Depository Services (India) Limited is ₹1,400 for the 2026-04-28 expiry. This acts as a key resistance level since call writers will defend this strike aggressively near expiry.
What is the highest put OI strike for Central Depository Services (India) Limited today?
The strike with highest put (PE) open interest for Central Depository Services (India) Limited is ₹1,300 for the 2026-04-28 expiry. This acts as a key support level — put writers will tend to defend this level near expiry.
What does OI buildup in Central Depository Services (India) Limited options mean?
Open Interest (OI) buildup in Central Depository Services (India) Limited options shows how many net new contracts are being created at each strike. Rising OI at a strike means fresh positions (writers or buyers). Rising OI with rising price = long buildup (bullish); rising OI with falling price = short buildup (bearish).
When does Central Depository Services (India) Limited options expire?
Central Depository Services (India) Limited options have their nearest expiry on 2026-04-28. NSE F&O stocks have monthly expiry contracts — typically the last Tuesday of each month. MarketNetra shows data for the nearest two expiries.
How to read Central Depository Services (India) Limited option chain?
The Central Depository Services (India) Limited option chain shows calls (CE) on the left and puts (PE) on the right for each strike price. Key columns: OI (total open contracts), OI Change (new positions today), Volume (today's trades), IV (implied volatility — higher = more uncertainty), and LTP (last traded price). The ATM (at-the-money) strike is highlighted in blue.