Oil & Natural Gas Corporation Limited

NSE: ONGCOil, Gas & Consumable FuelsLot size: 2250

Oil & Natural Gas Corporation Limited Option Chain Analysis

2026-09-292026-10-272026-11-23
Total CE OI
4.56 Cr
Total PE OI
1.99 Cr
PCR
0.44Bearish
CE OIChgVolIVLTPStrikeLTPIVVolChgPE OI
%190%-77K36K
00%195%00
18K0%200%01.5 L
00%205%00
00%207.5%00
25K0%210%-7K1.5 L
7K0%212.5%01.6 L
00%215%-9K2.5 L
7K0%217.5%-36K5.0 L
1.5 L+14K%220%+68K10.3 L
43K0%222.5%+38K3.4 L
3.1 L0%225%-1.2 L39.6 L
3.2 L0%227.5%+9K8.9 L
11.5 L-45K%230%-5.8 L27.4 L
9.9 L+20K%232.5%-25K11.4 L
48.3 L+9.7 L%235%+1.0 L23.4 L
87.6 L-4.2 L%237.5%+14K10.3 L
1.04 Cr-8.0 L%240ATM%-3.2 L29.4 L
6.5 L-5K%242.5%01.0 L
45.8 L+1.3 L%245%02.3 L
3.4 L-1.0 L%247.5%027K
69.9 L+1.4 L%250%-7K4.7 L
3.1 L-2K%252.5%023K
10.6 L-32K%255%072K
2.2 L-2K%257.5%011K
25.0 L+7K%260%-11K2.7 L
34K0%262.5%00
2.3 L-27K%265%01.3 L
9K0%267.5%
8.2 L+56K%270%+29K7.3 L
45K0%275%07K
5.6 L+25K%280%01.3 L
1.8 L+2K%290%027K

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

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Key Strike Levels

The call open interest peaks at the 125‑strike with 0 contracts, acting as a clear resistance point for price advances. The put open interest mirrors this concentration at the same 125‑strike, providing a corresponding support level beneath current market levels. Combined open interest at these strikes suggests an implied price corridor roughly between ₹120 and ₹130 for the September expiry.

OI Buildup Activity

Fresh call open interest adds nine contracts at the 235‑strike (valued at ₹56,250), one contract at 245 (₹89,000) and one contract at 250 (₹41,750), indicating that writers are incrementally building exposure on the upside despite the proximity to the spot price. On the put side, additions total 90,000 contracts at the 235‑strike, 67,500 contracts at the 220‑strike and 40,500 contracts at the 222.5‑strike, reflecting a notable accumulation of protective positions around the current market level. Overall OI growth reflects active positioning by market participants ahead of the expiry, as they adjust delta exposures and hedge existing portfolios.

Volatility Read

The at‑the‑money implied volatility stands at 13.76%, which is modest for the sector and suggests relatively low premium pricing. The volatility skew is bearish, indicating higher implied volatility on the downside strikes and a market bias toward downward price movement.

Key OI Levels

The highest call open interest concentrates at the 125‑strike, while the highest put open interest also clusters at the 125‑strike, underscoring these levels as pivotal resistance and support zones for traders in the market.

Frequently Asked Questions

What is the highest call OI strike for Oil & Natural Gas Corporation Limited today?
The strike with highest call (CE) open interest for Oil & Natural Gas Corporation Limited is ₹240 for the 2026-09-29 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 Oil & Natural Gas Corporation Limited today?
The strike with highest put (PE) open interest for Oil & Natural Gas Corporation Limited is ₹225 for the 2026-09-29 expiry. This acts as a key support level — put writers will tend to defend this level near expiry.
What does OI buildup in Oil & Natural Gas Corporation Limited options mean?
Open Interest (OI) buildup in Oil & Natural Gas Corporation 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 Oil & Natural Gas Corporation Limited options expire?
Oil & Natural Gas Corporation Limited options have their nearest expiry on 2026-09-29. 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 Oil & Natural Gas Corporation Limited option chain?
The Oil & Natural Gas Corporation 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.