National Aluminium Company Limited Option Chain Analysis
2026-04-282026-05-26
Total CE OI
3.49 Cr
Total PE OI
3.03 Cr
PCR
0.87
Neutral
| CE OI | Chg | Vol | IV | LTP | Strike | LTP | IV | Vol | Chg | PE OI |
|---|---|---|---|---|---|---|---|---|---|---|
| — | — | — | —% | ₹— | 220 | ₹— | 14.7% | — | — | — |
| — | — | — | —% | ₹— | 230 | ₹— | 13.7% | — | — | — |
| — | — | — | —% | ₹— | 240 | ₹— | 12.7% | — | — | — |
| — | — | — | —% | ₹— | 250 | ₹— | 11.8% | — | — | — |
| — | — | — | —% | ₹— | 260 | ₹— | 11.0% | — | — | — |
| — | — | — | —% | ₹— | 270 | ₹— | 10.1% | — | — | — |
| — | — | — | —% | ₹— | 280 | ₹— | 9.3% | — | — | — |
| — | — | — | —% | ₹— | 285 | ₹— | 8.9% | — | — | — |
| — | — | — | —% | ₹— | 290 | ₹— | 8.6% | — | — | — |
| — | — | — | —% | ₹100.00 | 295 | ₹0.05 | —% | — | 0 | 1.3 L |
| — | — | — | —% | ₹— | 297.5 | ₹0.10 | —% | — | 0 | 53K |
| 2.0 L | 0 | — | —% | ₹110.00 | 300 | ₹0.10 | —% | 2.3 L | 0 | 7.7 L |
| — | — | — | —% | ₹— | 302.5 | ₹0.15 | —% | — | 0 | 23K |
| — | — | — | —% | ₹91.80 | 305 | ₹0.15 | —% | — | 0 | 15K |
| — | — | — | —% | ₹— | 307.5 | ₹0.10 | —% | — | +4K | 4K |
| 49K | 0 | — | —% | ₹99.00 | 310 | ₹0.15 | —% | — | 0 | 68K |
| — | — | — | —% | ₹— | 312.5 | ₹2.40 | —% | — | 0 | 4K |
| 15K | 0 | — | —% | ₹113.00 | 315 | ₹0.05 | 79.9% | 4K | 0 | 53K |
| — | — | — | —% | ₹— | 317.5 | ₹0.05 | —% | 8K | 0 | 19K |
| 30K | 0 | — | —% | ₹107.00 | 320 | ₹0.10 | 82.2% | 26K | -11K | 3.0 L |
| — | — | — | —% | ₹— | 322.5 | ₹0.15 | 84.3% | — | 0 | 11K |
| 8K | 0 | — | —% | ₹63.70 | 325 | ₹0.15 | —% | — | 0 | 45K |
| — | — | — | —% | ₹— | 327.5 | ₹2.45 | —% | — | 0 | 15K |
| 1.8 L | 0 | — | —% | ₹73.30 | 330 | ₹0.10 | 74.0% | 23K | -15K | 4.2 L |
| — | — | — | —% | ₹— | 332.5 | ₹1.10 | —% | — | 0 | 41K |
| — | — | — | —% | ₹67.95 | 335 | ₹0.45 | 87.0% | — | 0 | 1.2 L |
| — | — | — | —% | ₹— | 337.5 | ₹2.25 | —% | — | 0 | 26K |
| 60K | 0 | — | —% | ₹87.00 | 340 | ₹0.20 | 71.5% | 41K | -26K | 3.9 L |
| — | — | — | —% | ₹— | 342.5 | ₹0.30 | 75.2% | — | 0 | 34K |
| 49K | 0 | — | —% | ₹55.50 | 345 | ₹0.30 | 73.0% | — | 0 | 1.7 L |
| — | — | — | —% | ₹— | 347.5 | ₹0.65 | 80.7% | — | 0 | 49K |
| 3.8 L | 0 | — | —% | ₹89.50 | 350 | ₹0.30 | 68.9% | 2.1 L | -11K | 15.6 L |
| — | — | — | —% | ₹— | 352.5 | ₹6.50 | —% | — | 0 | 49K |
| 2.6 L | 0 | 4K | 47.5% | ₹70.05 | 355 | ₹0.20 | 62.7% | 8K | 0 | 5.0 L |
| 98K | 0 | — | —% | ₹58.70 | 357.5 | ₹1.45 | 84.3% | — | 0 | 3.2 L |
| 2.1 L | 0 | 8K | 71.0% | ₹67.00 | 360 | ₹0.35 | 61.5% | 60K | -38K | 13.6 L |
| 11K | 0 | — | —% | ₹48.00 | 362.5 | ₹0.95 | 72.0% | — | 0 | 1.2 L |
| 1.8 L | -4K | 8K | 59.5% | ₹61.30 | 365 | ₹0.60 | 63.5% | — | 0 | 5.6 L |
| 2.6 L | 0 | — | —% | ₹39.55 | 367.5 | ₹0.60 | 61.2% | — | 0 | 3.1 L |
| 3.6 L | 0 | — | 48.5% | ₹57.60 | 370 | ₹0.50 | 57.0% | 94K | +8K | 11.3 L |
| 1.3 L | 0 | — | —% | ₹40.25 | 372.5 | ₹0.70 | 58.5% | — | 0 | 98K |
| 2.2 L | 0 | — | 59.6% | ₹53.35 | 375 | ₹0.60 | 54.2% | 19K | -11K | 2.0 L |
| 1.1 L | 0 | — | —% | ₹31.90 | 377.5 | ₹0.80 | 54.9% | 4K | 0 | 1.2 L |
| 5.0 L | +4K | 11K | 34.6% | ₹44.00 | 380 | ₹0.70 | 51.4% | 1.5 L | +4K | 14.4 L |
| 56K | 0 | — | —% | ₹44.90 | 382.5 | ₹1.00 | 53.3% | — | 0 | 1.1 L |
| 2.9 L | 0 | — | 128.5% | ₹55.65 | 385 | ₹1.00 | 49.2% | 60K | 0 | 6.8 L |
| 1.9 L | 0 | — | 124.9% | ₹53.25 | 387.5 | ₹1.30 | 51.7% | — | 0 | 2.8 L |
| 4.5 L | -11K | 34K | 43.1% | ₹37.65 | 390 | ₹1.25 | 47.6% | 1.4 L | -60K | 12.7 L |
| 2.3 L | 0 | — | 44.0% | ₹36.00 | 392.5 | ₹1.55 | 46.0% | 4K | 0 | 5.3 L |
| 1.9 L | 0 | — | 104.9% | ₹44.10 | 395 | ₹1.75 | 45.1% | 75K | -8K | 4.6 L |
| 1.2 L | 0 | — | 50.7% | ₹32.45 | 397.5 | ₹2.25 | 49.0% | — | 0 | 2.0 L |
| 15.4 L | -34K | 1.3 L | 42.7% | ₹26.60 | 400 | ₹2.10 | 44.6% | 12.8 L | -1.7 L | 37.9 L |
| 2.2 L | 0 | — | 47.3% | ₹27.85 | 402.5 | ₹2.45 | 43.5% | 60K | +34K | 2.6 L |
| 2.0 L | -11K | 19K | 37.0% | ₹23.45 | 405 | ₹3.05 | 42.9% | 2.8 L | -8K | 5.7 L |
| 2.9 L | 0 | — | 71.9% | ₹28.95 | 407.5 | ₹— | —% | — | — | — |
| 14.7 L | -2.8 L | 9.6 L | 39.1% | ₹19.70 | 410 | ₹4.00 | 41.6% | 7.3 L | -30K | 38.0 L |
| 1.1 L | 0 | — | 89.8% | ₹29.85 | 412.5 | ₹— | —% | — | — | — |
| 4.2 L | -30K | 94K | 39.1% | ₹16.20 | 415 | ₹5.10 | 41.2% | 4.7 L | +1.1 L | 8.4 L |
| 1.6 L | -8K | 26K | 38.9% | ₹13.90 | 417.5 | ₹— | —% | — | — | — |
| 14.7 L | -34K | 10.1 L | 38.2% | ₹12.70 | 420 | ₹7.10 | 40.1% | 16.2 L | +1.5 L | 27.2 L |
| 2.1 L | +15K | 2.4 L | 38.6% | ₹11.40 | 422.5 | ₹8.40 | 40.4% | 3.1 L | +41K | 2.5 L |
| 11.6 L | +4.5 L | 18.4 L | 38.9% | ₹9.55 | 425 | ₹9.40 | 40.6% | 19.3 L | -19K | 7.6 L |
| 3.6 L | +1.1 L | 6.4 L | 39.4% | ₹8.75 | 427.5 | ₹— | —% | — | — | — |
| 26.0 L | +5.1 L | 57.4 L | 38.9% | ₹7.30 | 430 | ₹12.35 | 40.0% | 11.7 L | -75K | 18.4 L |
| 2.3 L | +11K | 1.5 L | 39.4% | ₹6.50 | 432.5 | ₹— | —% | — | — | — |
| 11.7 L | +8K | 17.1 L | 39.4% | ₹5.60 | 435 | ₹15.00 | 42.4% | 4.0 L | 0 | 2.5 L |
| 2.2 L | -11K | 3.1 L | 39.8% | ₹5.00 | 437.5 | ₹— | —% | — | — | — |
| 49.1 L | +1.1 L | 43.4 L | 39.4% | ₹4.10 | 440ATM | ₹19.00 | 40.9% | 2.7 L | -38K | 9.2 L |
| 5.8 L | +64K | 9.2 L | 40.6% | ₹3.10 | 445 | ₹22.45 | 47.1% | — | 0 | 41K |
| 41.3 L | +12.2 L | 46.4 L | 41.6% | ₹2.35 | 450 | ₹27.45 | 42.5% | 30K | -4K | 1.5 L |
| 2.9 L | +15K | 5.0 L | 42.5% | ₹1.80 | 455 | ₹78.90 | 256.6% | — | — | — |
| 21.1 L | -98K | 26.4 L | 43.0% | ₹1.25 | 460 | ₹33.95 | 42.8% | — | 0 | 71K |
| 3.1 L | +1.1 L | 3.4 L | 43.4% | ₹0.90 | 465 | ₹86.70 | 262.0% | — | — | — |
| 35.5 L | +49K | 33.3 L | 44.4% | ₹0.65 | 470 | ₹90.70 | 264.8% | — | — | — |
| 2.3 L | 0 | — | 48.1% | ₹0.85 | 475 | ₹94.70 | 267.4% | — | — | — |
| 18.7 L | -30K | 10.0 L | 46.0% | ₹0.35 | 480 | ₹48.00 | —% | — | 0 | 8K |
| — | — | — | 2.8% | ₹— | 485 | ₹— | —% | — | — | — |
| 2.2 L | +23K | 98K | 46.9% | ₹0.20 | 490 | ₹115.20 | 309.1% | — | — | — |
| — | — | — | 3.2% | ₹— | 495 | ₹— | —% | — | — | — |
| — | — | — | 107.2% | ₹5.70 | 500 | ₹104.75 | 235.7% | — | — | — |
| — | — | — | 3.7% | ₹— | 505 | ₹— | —% | — | — | — |
| — | — | — | 3.9% | ₹— | 510 | ₹— | —% | — | — | — |
| — | — | — | 4.1% | ₹— | 515 | ₹— | —% | — | — | — |
| — | — | — | 4.3% | ₹— | 520 | ₹— | —% | — | — | — |
| — | — | — | 4.5% | ₹— | 525 | ₹— | —% | — | — | — |
| — | — | — | 4.7% | ₹— | 530 | ₹— | —% | — | — | — |
| — | — | — | 5.0% | ₹— | 535 | ₹— | —% | — | — | — |
| — | — | — | 5.2% | ₹— | 540 | ₹— | —% | — | — | — |
| — | — | — | 5.3% | ₹— | 545 | ₹— | —% | — | — | — |
| — | — | — | 5.5% | ₹— | 550 | ₹— | —% | — | — | — |
| — | — | — | 5.8% | ₹— | 555 | ₹— | —% | — | — | — |
| — | — | — | 6.0% | ₹— | 560 | ₹— | —% | — | — | — |
| — | — | — | 6.3% | ₹— | 570 | ₹— | —% | — | — | — |
| — | — | — | 6.7% | ₹— | 580 | ₹— | —% | — | — | — |
| — | — | — | 7.1% | ₹— | 590 | ₹— | —% | — | — | — |
| — | — | — | 7.5% | ₹— | 600 | ₹— | —% | — | — | — |
| — | — | — | 7.8% | ₹— | 610 | ₹— | —% | — | — | — |
| — | — | — | 8.2% | ₹— | 620 | ₹— | —% | — | — | — |
Bold CE OI = highest call writing (resistance). Bold PE OI = highest put writing (support). ATM = at-the-money.
AI AnalysisGenerated daily after market close · AI-powered
Key Strike Levels
Strong support forms at ₹420, backed by significant put open interest and fresh longs adding at ₹415 and ₹422.5. Resistance holds firm at ₹450, where the highest call OI is clustered, with no reduction in positions suggesting sticky overhead supply. The implied range narrows to ₹420–₹450, constricted by dense OI at both ends and a neutral skew.
OI Buildup Activity
Call writers aggressively build fresh short positions at ₹450, adding over 12 lakh contracts, signaling conviction in capping near-term upside. Additional long calls at ₹430 and ₹425 show counter-trend fresh longs anticipating breakouts, increasing liquidity around current spot. On the put side, rising OI at ₹420 and ₹415 reflects defensive positioning, with writers letting puts accumulate at lower strikes, anticipating no immediate breakdown.
Volatility Read
ATM IV at 38.68% sits near recent averages, reflecting balanced risk pricing with no fear or greed premium. Neutral skew confirms traders aren’t favoring downside protection over upside speculation.
Strategy Implication
Range-bound bias dominates, with ₹450 call supply and ₹420 put support locking in a consolidation play.
Related Analysis
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 ₹440 for the 2026-04-28 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 ₹410 for the 2026-04-28 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 2026-04-28. 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.