National Aluminium Company Limited Option Chain Analysis
2026-07-282026-08-25
Total CE OI
2.60 Cr
Total PE OI
1.63 Cr
PCR
0.63
Bearish
| CE OI | Chg | Vol | IV | LTP | Strike | LTP | IV | Vol | Chg | PE OI |
|---|---|---|---|---|---|---|---|---|---|---|
| — | — | — | —% | ₹— | 160 | ₹— | 18.1% | — | — | — |
| — | — | — | —% | ₹— | 180 | ₹— | 15.3% | — | — | — |
| — | — | — | —% | ₹— | 200 | ₹— | 12.8% | — | — | — |
| — | — | — | —% | ₹— | 210 | ₹— | 11.7% | — | — | — |
| — | — | — | —% | ₹— | 220 | ₹— | 10.6% | — | — | — |
| — | — | — | —% | ₹— | 230 | ₹— | 9.5% | — | — | — |
| — | — | — | —% | ₹— | 240 | ₹— | 8.5% | — | — | — |
| — | — | — | —% | ₹— | 250 | ₹— | 7.5% | — | — | — |
| — | — | — | —% | ₹— | 260 | ₹— | 6.6% | — | — | — |
| 8K | 0 | — | —% | ₹70.15 | 270 | ₹0.10 | 77.2% | 2K | 0 | 28K |
| — | — | — | —% | ₹166.70 | 280 | ₹0.05 | 60.3% | 4K | -2K | 1.7 L |
| 39K | -23K | 54K | —% | ₹53.65 | 290 | ₹0.15 | 59.0% | 36K | -4K | 1.4 L |
| — | — | — | —% | ₹— | 295 | ₹0.15 | 55.0% | 2K | 0 | 26K |
| 3.0 L | 0 | 2K | —% | ₹41.00 | 300 | ₹0.20 | 52.3% | 39K | -17K | 7.6 L |
| — | — | — | —% | ₹— | 305 | ₹0.25 | 47.3% | 38K | -13K | 90K |
| 38K | -2K | 6K | 52.9% | ₹32.60 | 310 | ₹0.20 | 42.3% | 64K | -26K | 3.8 L |
| 45K | 0 | — | 62.7% | ₹30.60 | 315 | ₹0.30 | 37.9% | 88K | -21K | 2.0 L |
| 2.4 L | 0 | 4K | 35.3% | ₹22.60 | 320 | ₹0.40 | 35.6% | 7.3 L | -98K | 11.5 L |
| 2.5 L | 0 | — | 48.6% | ₹20.75 | 325 | ₹0.65 | 33.7% | 5.7 L | +2.9 L | 11.4 L |
| 4.5 L | -34K | 1.1 L | 35.5% | ₹15.50 | 330 | ₹1.15 | 31.9% | 4.0 L | -47K | 11.3 L |
| 4.8 L | +79K | 6.1 L | 32.4% | ₹11.25 | 335 | ₹2.00 | 30.1% | 6.4 L | +6K | 8.4 L |
| 20.2 L | -2.2 L | 17.7 L | 31.6% | ₹7.80 | 340 | ₹3.45 | 29.1% | 10.6 L | -1.6 L | 30.3 L |
| 12.3 L | +2.4 L | 19.7 L | 30.8% | ₹5.00 | 345 | ₹5.55 | 27.9% | 10.5 L | -26K | 8.2 L |
| 40.6 L | -38K | 32.1 L | 30.5% | ₹3.00 | 350ATM | ₹8.70 | 28.3% | 6.7 L | -64K | 12.0 L |
| 11.1 L | +75K | 9.3 L | 31.0% | ₹1.75 | 355 | ₹12.30 | 27.1% | 49K | -8K | 5.6 L |
| 31.5 L | -1.9 L | 15.2 L | 31.8% | ₹1.00 | 360 | ₹16.55 | 26.3% | 2.2 L | -1.1 L | 11.1 L |
| 18.6 L | -32K | 3.3 L | 34.5% | ₹0.60 | 365 | ₹22.00 | 41.4% | 51K | -34K | 4.6 L |
| 20.6 L | -3.5 L | 8.6 L | 35.4% | ₹0.40 | 370 | ₹27.75 | 39.8% | 34K | -6K | 4.6 L |
| 4.9 L | -17K | 83K | 39.1% | ₹0.30 | 375 | ₹33.95 | 52.1% | 4K | -2K | 83K |
| 19.9 L | -1.9 L | 6.4 L | 41.2% | ₹0.25 | 380 | ₹38.25 | 49.1% | 24K | -21K | 6.1 L |
| 2.4 L | -30K | 1.1 L | 45.1% | ₹0.20 | 385 | ₹38.25 | 38.0% | 2K | 0 | 39K |
| 6.9 L | -98K | 3.1 L | 46.8% | ₹0.15 | 390 | ₹47.00 | 45.7% | 2K | 0 | 1.2 L |
| 1.8 L | -23K | 32K | 50.6% | ₹0.15 | 395 | ₹50.05 | —% | — | 0 | 1.2 L |
| 29.1 L | -2.8 L | 7.0 L | 54.0% | ₹0.15 | 400 | ₹56.00 | 57.4% | 88K | -75K | 5.4 L |
| 1.1 L | 0 | 4K | 56.4% | ₹0.10 | 405 | ₹56.35 | —% | — | 0 | 2.3 L |
| 4.3 L | -81K | 1.6 L | 59.6% | ₹0.10 | 410 | ₹64.30 | 98.9% | — | 0 | 3.7 L |
| 71K | 0 | — | 60.6% | ₹0.10 | 415 | ₹69.90 | —% | — | 0 | 11K |
| 3.8 L | -38K | 41K | 64.7% | ₹0.10 | 420 | ₹75.00 | —% | — | 0 | 3.0 L |
| 30K | 0 | — | 73.5% | ₹0.20 | 425 | ₹— | —% | — | — | — |
| 2.6 L | -13K | 32K | 73.2% | ₹0.10 | 430 | ₹87.45 | —% | 2K | 0 | 54K |
| 38K | 0 | 24K | 74.2% | ₹0.10 | 435 | ₹85.60 | —% | — | 0 | 11K |
| 1.5 L | -23K | 53K | 79.3% | ₹0.10 | 440 | ₹97.30 | —% | — | 0 | 36K |
| — | — | — | —% | ₹— | 445 | ₹102.00 | —% | 58K | -51K | 11K |
| 4.2 L | -9K | 13K | —% | ₹0.10 | 450 | ₹108.50 | —% | 2K | 0 | 32K |
| 2K | 0 | — | 79.1% | ₹0.05 | 455 | ₹— | —% | — | — | — |
| 66K | 0 | 4K | 80.0% | ₹0.05 | 460 | ₹108.50 | —% | — | 0 | 32K |
| 45K | 0 | — | —% | ₹0.05 | 470 | ₹— | —% | — | — | — |
| 2K | +2K | — | —% | ₹0.15 | 480 | ₹64.00 | —% | — | — | — |
| 2K | 0 | — | —% | ₹0.10 | 490 | ₹141.00 | —% | — | 0 | 4K |
| 2.0 L | 0 | 2K | —% | ₹0.05 | 500 | ₹134.65 | —% | — | 0 | 15K |
| — | — | — | 9.8% | ₹— | 520 | ₹— | —% | — | — | — |
| — | — | — | 10.7% | ₹— | 540 | ₹— | —% | — | — | — |
Bold CE OI = highest call writing (resistance). Bold PE OI = highest put writing (support). ATM = at-the-money.
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Frequently Asked Questions
What is the highest call OI strike for National Aluminium Company Limited today?▾
The strike with highest call (CE) open interest for National Aluminium Company Limited is ₹350 for the 2026-07-28 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 National Aluminium Company Limited today?▾
The strike with highest put (PE) open interest for National Aluminium Company Limited is ₹340 for the 2026-07-28 expiry. This acts as a key support level — put writers will tend to defend this level near expiry.
What does OI buildup in National Aluminium Company Limited options mean?▾
Open Interest (OI) buildup in National Aluminium Company 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 National Aluminium Company Limited options expire?▾
National Aluminium Company Limited options have their nearest expiry on 2026-07-28. 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 National Aluminium Company Limited option chain?▾
The National Aluminium Company 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.