Coal India Limited

NSE: COALINDIAOil, Gas & Consumable FuelsLot size: 1350

Coal India Limited Option Chain Analysis

2026-09-292026-10-272026-11-23
Total CE OI
4.28 Cr
Total PE OI
2.57 Cr
PCR
0.60Bearish
CE OIChgVolIVLTPStrikeLTPIVVolChgPE OI
1.6 L-5K%330%03K
7K0%340%039K
51K0%350%035K
1K0%355%01K
9K0%360%0100K
11K+1K%365%-3K72K
53K-1K%370%-42K11.2 L
20K0%375%-4K4.2 L
1.1 L-8K%380%-11K11.3 L
80K0%385%+1.6 L7.5 L
5.7 L-4K%390%+1.1 L19.1 L
4.8 L0%395%+69K14.6 L
46.5 L-4.0 L%400ATM%+3K47.8 L
24.6 L-70K%405%-1.0 L15.7 L
48.3 L-1.6 L%410%+35K30.6 L
41.0 L+2.3 L%415%-2.5 L16.6 L
62.0 L-6.4 L%420%+100K25.3 L
40.0 L-3.6 L%425%-1.4 L8.3 L
45.4 L-3.9 L%430%+2.0 L20.4 L
22.7 L+55K%435%+1K3.7 L
30.1 L-27K%440%-1K4.8 L
5.6 L-54K%445%065K
18.5 L-4.4 L%450%+9K4.6 L
4.0 L+16K%455%026K
12.3 L-65K%460%+7K1.3 L
30K0%465%022K
5.1 L+11K%470%02.7 L
00%475%00
2.2 L-62K%480%062K
1.6 L0%490%03.2 L
1.9 L-16K%500%

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 open‑interest (OI) profile shows a pronounced concentration around the 415–455 ₹ call band and the 385–430 ₹ put band. The heaviest call OI sits at 415 ₹ (190 contracts), while the deepest put OI anchors at 430 ₹ (190 contracts), framing a natural resistance‑support corridor. Together these zones suggest an implied price range roughly between 385 ₹ and 455 ₹ for the September expiry.

OI Buildup Activity

During the latest session, fresh call OI accumulates strongly at 415 ₹ (+2 contracts, 38,950 units), 435 ₹ (+55,350 units) and 455 ₹ (+14,850 units), indicating that market makers are layering additional exposure near the upper side of the range. On the put side, the biggest additions appear at 430 ₹ (+2,02,500 units), 385 ₹ (+1,59,300 units) and 390 ₹ (+1,06,650 units), reflecting a systematic build‑up of defensive positions around the lower bound. The asymmetry in OI inflows points to a balanced but cautious stance among option writers, who are positioning themselves to profit from range‑bound price action while retaining the flexibility to adjust as the underlying moves.

Volatility Read

Implied volatility (IV) stands at 13.5 % for the at‑the‑money (ATM) strike, signalling moderate market uncertainty ahead of the September 29 expiration. The volatility skew is bearish, with puts priced higher relative to calls, consistent with a slight downside bias in the options market.

Key OI Levels

The highest open‑interest concentrations are observed at the 415 ₹ call strike (190 contracts) and the 430 ₹ put strike (190 contracts).

Frequently Asked Questions

What is the highest call OI strike for Coal India Limited today?
The strike with highest call (CE) open interest for Coal India Limited is ₹420 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 Coal India Limited today?
The strike with highest put (PE) open interest for Coal India Limited is ₹400 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 Coal India Limited options mean?
Open Interest (OI) buildup in Coal 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 Coal India Limited options expire?
Coal India 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 Coal India Limited option chain?
The Coal 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.