Northrop Grumman NOC
$525.01 −$0.24 (-0.05%)
Market closed · Nov 6, 9:40 pm ET · Last extended-hours $525.01 0.00%
Open$515.38
Prev close$525.25
Day range$510.30 – $531.20
Volume1.19M
Market cap$74.59B
P/E (TTM)16.6
Dividend yield1.82%
Average implied volatility across the listed chain right now: 35%. Implied volatility measures how big a price swing the options market is pricing in — there is no fixed “normal” level, it varies a lot by stock.
Open interest by strike
Nearest listed expiry only. Calls above the line, puts below — clusters mark strikes where the market has built up the most open positions.
Implied volatility by strike
The “volatility smile”: strikes far from the current price often price in richer implied volatility than at-the-money strikes.
Calls
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 20 Nov 2026 | $525.00 | $14.05 | $10.70/$17.30 | 5 | 94 | 35% |
| 20 Nov 2026 | $530.00 | $11.35 | $7.40/$15.00 | 0 | 142 | 34% |
| 20 Nov 2026 | $520.00 | $20.40 | $14.30/$18.70 | 3 | 180 | 35% |
| 20 Nov 2026 | $535.00 | $9.52 | $5.20/$11.90 | 0 | 43 | 32% |
| 20 Nov 2026 | $515.00 | $19.00 | $16.10/$22.60 | 0 | 63 | 34% |
| 20 Nov 2026 | $540.00 | $7.69 | $6.50/$11.80 | 0 | 144 | 38% |
| 20 Nov 2026 | $510.00 | $22.72 | $19.30/$26.40 | 0 | 265 | 35% |
| 20 Nov 2026 | $545.00 | $5.10 | $4.30/$8.90 | 1 | 47 | 36% |
| 20 Nov 2026 | $505.00 | $26.44 | $22.00/$30.00 | 0 | 21 | 34% |
| 20 Nov 2026 | $550.00 | $3.87 | $3.10/$5.80 | 1 | 211 | 33% |
| 20 Nov 2026 | $500.00 | $30.17 | $26.00/$33.80 | 0 | 70 | 35% |
| 20 Nov 2026 | $555.00 | $4.05 | $2.50/$5.10 | 60 | 58 | 34% |
| 20 Nov 2026 | $495.00 | $34.48 | $30.00/$37.70 | 0 | 10 | 35% |
| 20 Nov 2026 | $560.00 | $2.90 | $1.80/$5.90 | 22 | 387 | 38% |
| 20 Nov 2026 | $490.00 | $38.80 | $34.10/$42.00 | 0 | 29 | 35% |
Puts
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 20 Nov 2026 | $525.00 | $15.20 | $8.30/$16.20 | 1 | 38 | 32% |
| 20 Nov 2026 | $530.00 | $13.55 | $11.30/$20.00 | 2 | 40 | 34% |
| 20 Nov 2026 | $520.00 | $10.85 | $7.20/$14.60 | 0 | 170 | 35% |
| 20 Nov 2026 | $535.00 | $19.36 | $14.30/$22.00 | 0 | 28 | 33% |
| 20 Nov 2026 | $515.00 | $15.00 | $4.00/$13.00 | 2 | 48 | 34% |
| 20 Nov 2026 | $540.00 | $21.20 | $17.70/$25.10 | 2 | 187 | 33% |
| 20 Nov 2026 | $510.00 | $9.60 | $2.05/$10.30 | 10 | 178 | 32% |
| 20 Nov 2026 | $545.00 | $26.02 | $21.20/$28.50 | 0 | 40 | 33% |
| 20 Nov 2026 | $505.00 | $4.10 | $1.90/$8.50 | 72 | 341 | 34% |
| 20 Nov 2026 | $550.00 | $29.77 | $25.10/$33.00 | 0 | 36 | 34% |
| 20 Nov 2026 | $500.00 | $3.90 | $0.70/$7.50 | 37 | 388 | 34% |
| 20 Nov 2026 | $555.00 | $33.76 | $29.10/$37.00 | 0 | 41 | 34% |
| 20 Nov 2026 | $495.00 | $3.70 | $0.85/$7.70 | 2 | 46 | 39% |
| 20 Nov 2026 | $560.00 | $37.97 | $33.40/$40.10 | 0 | 166 | 32% |
| 20 Nov 2026 | $490.00 | $3.50 | $0.15/$6.20 | 1 | 92 | 39% |
Open interest = contracts currently outstanding (not yet closed out). Higher open interest generally means a strike/expiry is more actively traded and easier to get in and out of.
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