Tata Steel Limited

NSE: TATASTEELMetals & MiningLot size: 2750

Tata Steel Limited Option Chain Analysis

2026-09-292026-10-272026-11-23
Total CE OI
9.81 Cr
Total PE OI
7.42 Cr
PCR
0.76Bearish
CE OIChgVolIVLTPStrikeLTPIVVolChgPE OI
1.8 L0%155%+47K69K
2.2 L0%160%+1.0 L9.2 L
3K0%162.5%+11K5.9 L
8K0%165%+19K26.5 L
2.4 L0%167.5%+36K5.9 L
5.6 L-25K%170%+3.5 L58.3 L
4.9 L+1.1 L%172.5%+91K14.9 L
14.9 L+58K%175%-3.0 L41.0 L
11.3 L+99K%177.5%+4.4 L61.4 L
30.8 L-4.6 L%180%+3.6 L83.6 L
18.3 L-5.4 L%182.5%+5.2 L26.5 L
1.07 Cr-11.2 L%185%+16.0 L1.08 Cr
42.4 L-7.3 L%187.5%+13.8 L45.3 L
2.39 Cr-13.8 L%190ATM%+22.2 L1.02 Cr
29.4 L-1.5 L%192.5%+3.1 L18.6 L
57.4 L-2.4 L%195%-85K25.2 L
62.3 L+16.7 L%197.5%+1.8 L3.2 L
1.63 Cr-10.8 L%200%-1.5 L46.3 L
9.1 L+83K%202.5%+39K1.1 L
72.1 L-20.7 L%205%-69K3.2 L
21.5 L+61K%207.5%058K
51.8 L+2.0 L%210%+1.5 L38.9 L
13.6 L+47K%215%02.8 L
13.1 L-2.3 L%220%-8K7.9 L
7.8 L+3.9 L%225%+28K6.3 L

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) map shows a tight concentration around the 190‑210 ₹ band, framing the near‑term support‑resistance corridor. The highest call OI sits at the 210 ₹ strike, while the biggest put OI clusters at 190 ₹, suggesting the market’s fair‑value range for the expiry. With spot trading at 188.79 ₹, the implied range is anchored by 190 ₹ as a strong support and 210 ₹ as a firm resistance.

OI Buildup Activity

During the last session, fresh OI adds appear at the 197.5 ₹ call (+16 contracts, 69,250 ₹), the 225 ₹ call (+3 contracts, 87,750 ₹) and the 210 ₹ call (+2 contracts, 200,750 ₹), indicating that option writers are layering new short positions near the upper bound. On the put side, the 190 ₹ strike absorbs the largest addition (+22 contracts, 22,000 ₹), followed by 185 ₹ (+16 contracts, 17,000 ₹) and 187.5 ₹ (+13 contracts, 99,750 ₹), reflecting intensified protection near the lower bound. These inflows suggest a balanced buildup of both bullish and bearish hedges as traders position ahead of the 2026‑09‑29 expiry.

Volatility Read

The at‑the‑money implied volatility stands at roughly 24 %, indicating moderate price expectations for the remaining weeks. The volatility skew is tilted bearish, with out‑of‑the‑money puts priced slightly higher than calls, hinting at a market bias toward downside protection.

Key OI Levels

The most substantial open‑interest concentration lies at the 210 ₹ call (CE) and the 190 ₹ put (PE).

Frequently Asked Questions

What is the highest call OI strike for Tata Steel Limited today?
The strike with highest call (CE) open interest for Tata Steel Limited is ₹190 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 Tata Steel Limited today?
The strike with highest put (PE) open interest for Tata Steel Limited is ₹185 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 Tata Steel Limited options mean?
Open Interest (OI) buildup in Tata Steel 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 Tata Steel Limited options expire?
Tata Steel 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 Tata Steel Limited option chain?
The Tata Steel 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.