ONGC (Oil and Natural Gas Corporation) Option Chain — Live Strike Data, OI & Greeks

Understanding ONGC's Option Chain

ONGC — a commodity stock with a PSU policy overlay

Oil and Natural Gas Corporation (ONGC) is India's largest crude oil and natural gas exploration and production company, a Maharatna PSU under government control (Government of India holds ~58%). Three structural factors distinguish ONGC's option market from typical equity options:

• Direct exposure to Brent crude prices. ONGC realises its crude at international prices (Brent-linked, with adjustments for grade and freight). When Brent moves, ONGC moves — typically within 0.5-1% of the crude move on the same session. ONGC option IV correlates directly with crude oil volatility (OVX, the oil volatility index), independent of Indian equity market volatility.
• Domestic gas pricing under government regulation. A significant portion of ONGC's revenue comes from domestic natural gas sales. Domestic gas prices are set by the Petroleum Planning & Analysis Cell (PPAC) using a formula tied to international benchmarks but capped by government ceilings (revised periodically — most recently under the Kirit Parikh Committee recommendations). When the formula or ceiling changes, ONGC's earnings reset materially. Each formula review is a known catalyst.
• ONGC Videsh (OVL) international portfolio. ONGC's wholly-owned subsidiary OVL holds upstream assets across multiple countries (Russia, Mozambique, Brazil, Sudan, Vietnam, others). OVL is the most affected by international sanctions, currency moves, and geopolitical risks. The OVL Russian assets — Sakhalin-1 and others — have been particularly sensitive since 2022 Russian sanctions.

For option traders, the practical implication is that ONGC's option pricing requires watching three things: Brent crude price moves, domestic gas pricing policy news, and international geopolitical events affecting OVL assets. Equity-market-only traders consistently miss the primary drivers.

How to read ONGC's option chain

Three patterns specific to ONGC:

• Higher PCR than typical large-caps. ONGC's typical PCR runs 0.9-1.3, slightly higher than non-PSU large-caps. This reflects systematic put-buying by funds holding ONGC for dividend yield (defensive hedging) and put-writing by HNIs collecting premium on a high-dividend stock.
• IV expansion around Brent moves, not Indian events. Unlike most Indian stocks, ONGC's IV expands more around US/Middle East news (OPEC+ meetings, US oil inventory data, geopolitical events) than around Indian budget announcements or RBI policy. Watching the Indian macro calendar isn't sufficient.
• Put OI build-up before known dividend ex-dates. ONGC has historically been one of the highest-dividend-yielding large-caps in India, with frequent interim payouts. Each ex-dividend date drops the stock by the dividend amount, and option market makers price this into puts ahead of the date.

What moves ONGC — and its options

Five drivers, in approximate order of impact:

• Brent crude price. The single biggest driver. ONGC moves roughly 0.7-1.0x the daily Brent move on most sessions. Sustained Brent rallies above $85 typically lift ONGC; sustained drops below $70 pressure it.
• Domestic gas pricing decisions. Periodic reviews by the government (typically every 6 months) reset domestic gas realisations. Higher ceilings benefit ONGC; lower ceilings or unchanged-amid-rising-international-prices pressure margins. Each review window is a known catalyst.
• Quarterly results. ONGC reports late July, late October, late January and late May. The market focuses on production volumes (decline rate is a perennial concern — domestic legacy fields are mature), realised prices versus benchmark, OVL contribution, and the dividend announcement.
• OPEC+ decisions. Production cut/increase announcements from OPEC+ move Brent, which moves ONGC. The major OPEC+ meetings (typically June, November/December, with mid-year emergency meetings) produce visible IV expansions ahead of the events.
• Geopolitical events affecting OVL. Sanctions on Russia, Middle East tensions, and country-specific developments in OVL operating countries all move ONGC. The Sakhalin-1 Russian asset has been particularly relevant since 2022.

ONGC IV — context for current readings

ONGC's typical implied volatility range is 25-38% in calm market conditions — meaningfully higher than non-cyclical PSUs (e.g., NTPC, Power Grid) because of crude oil sensitivity. During oil-price volatility, IV can expand to 45-55%. The 2022-2024 OVX (oil volatility index) regimes have pushed ONGC IV higher than its historical norms. [VERIFY: cross-check IV against the live column.]

How professionals trade ONGC options

Three approaches:

1. Crude oil pair plays. When Brent moves sharply but ONGC hasn't yet caught up (typical lag of 30-60 minutes intraday), buying ONGC calls (on Brent rally) or puts (on Brent decline) captures the convergence. Most effective when Brent moves 2%+ in a single session.
2. Pre-OPEC+ long volatility. Buying near-money straddles 3-5 days before major OPEC+ meetings captures the IV expansion. Exit on or after the meeting — IV crushes regardless of direction. The trade requires anchoring to the OPEC+ calendar rather than Indian market dates.
3. Dividend-aware put writing. ONGC's frequent dividends create predictable price drops on ex-dates. Writing puts at strikes equal to "current spot minus expected dividend" collects elevated premium because of the mechanical price drop. This works in stable Brent regimes; risky during oil-price stress.

Common mistakes when trading ONGC options

Treating ONGC as a pure Indian-equity stock. Brent crude is the primary driver, not Indian market sentiment. Long ONGC positions during weak crude regimes consistently disappoint, regardless of Indian market direction.

Ignoring domestic gas pricing reviews. Gas pricing review windows are known catalysts but easy to overlook because they're announced via government circulars rather than market events. Major gas pricing changes can move ONGC 5-8% on announcement day.

Underestimating OVL geopolitical risk. ONGC Videsh's Russian and Middle East assets are exposed to sanctions, country-specific risks, and currency moves. Long-dated ONGC options need to factor in this overhang.

Related tools

• ONGC Max Pain
• ONGC OI Chart
• ONGC Stock Analysis
• Crude Oil Option Chain (MCX) — direct commodity exposure
• IOC Option Chain — downstream OMC for the other side of crude
• Sector Analysis — Oil & Gas sector performance