Options Chain for QUALYS INC COM (QLYS) - $178.08 as of 9/18/2026 1:18:26 PM EST
Calls
| Strike | Bid | Ask | Premium | Last Price | Change | %Chg | Premium to Strike Price Ratio | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 135.00 | 39.20 | 42.80 | 41.00 | % | 0.30 | 0 | 0 | 0.85 | 0.96 | 0.00 | -0.05 | 9/18/2026 3:59:57 PM EST | |||
| 140.00 | 34.50 | 38.10 | 36.30 | 42.15 | 0.00 | 0.00% | 0.26 | 0 | 1 | 0.81 | 0.94 | 0.00 | -0.07 | 9/16/2026 | 9/18/2026 3:59:57 PM EST |
| 145.00 | 29.90 | 33.40 | 31.65 | % | 0.22 | 0 | 0 | 0.73 | 0.90 | 0.01 | -0.09 | 9/18/2026 3:59:57 PM EST | |||
| 150.00 | 25.30 | 29.00 | 27.15 | 37.05 | 0.00 | 0.00% | 0.18 | 0 | 9 | 0.69 | 0.86 | 0.01 | -0.11 | 9/15/2026 | 9/18/2026 3:59:57 PM EST |
| 155.00 | 21.80 | 24.90 | 23.35 | 22.70 | % | 0.15 | 1 | 0 | 0.55 | 0.81 | 0.01 | -0.14 | 9/18/2026 | 9/18/2026 3:59:57 PM EST | |
| 160.00 | 17.90 | 20.60 | 19.25 | 24.80 | 0.00 | 0.00% | 0.12 | 0 | 5 | 0.52 | 0.75 | 0.01 | -0.16 | 9/15/2026 | 9/18/2026 3:59:57 PM EST |
| 165.00 | 13.90 | 17.80 | 15.85 | 22.32 | 0.00 | 0.00% | 0.10 | 0 | 10 | 0.52 | 0.69 | 0.01 | -0.18 | 9/17/2026 | 9/18/2026 3:59:57 PM EST |
| 170.00 | 12.30 | 14.10 | 13.20 | 15.78 | 0.00 | 0.00% | 0.08 | 0 | 57 | 0.54 | 0.61 | 0.01 | -0.19 | 9/17/2026 | 9/18/2026 3:59:57 PM EST |
| 175.00 | 9.20 | 12.10 | 10.65 | 9.55 | -3.45 | -26.54% | 0.06 | 1 | 22 | 0.54 | 0.54 | 0.02 | -0.19 | 9/18/2026 | 9/18/2026 3:59:57 PM EST |
| 180.00 | 7.10 | 9.80 | 8.45 | 7.10 | -2.90 | -29.00% | 0.05 | 44 | 18 | 0.54 | 0.46 | 0.02 | -0.19 | 9/18/2026 | 9/18/2026 3:59:57 PM EST |
| 185.00 | 4.40 | 7.30 | 5.85 | 6.00 | -3.07 | -33.85% | 0.03 | 3 | 32 | 0.50 | 0.39 | 0.02 | -0.18 | 9/18/2026 | 9/18/2026 3:59:57 PM EST |
| 190.00 | 2.90 | 5.80 | 4.35 | 4.22 | -2.13 | -33.55% | 0.02 | 41 | 10 | 0.49 | 0.32 | 0.01 | -0.17 | 9/18/2026 | 9/18/2026 3:59:57 PM EST |
| 195.00 | 2.15 | 3.60 | 2.88 | 4.10 | -1.60 | -28.07% | 0.01 | 1 | 32 | 0.47 | 0.25 | 0.01 | -0.15 | 9/18/2026 | 9/18/2026 3:59:57 PM EST |
| 200.00 | 0.75 | 3.90 | 2.33 | 4.58 | 0.00 | 0.00% | 0.01 | 0 | 34 | 0.48 | 0.20 | 0.01 | -0.13 | 9/16/2026 | 9/18/2026 3:59:57 PM EST |
| 210.00 | 0.05 | 2.40 | 1.23 | 2.10 | 0.00 | 0.00% | 0.01 | 0 | 8 | 0.44 | 0.11 | 0.01 | -0.09 | 9/16/2026 | 9/18/2026 3:59:57 PM EST |
| 220.00 | 0.05 | 1.35 | 0.70 | 1.15 | 0.00 | 0.00% | 0.00 | 2 | 593 | 0.47 | 0.06 | 0.00 | -0.05 | 9/18/2026 | 9/18/2026 3:59:57 PM EST |
| 230.00 | 0.00 | 1.80 | 0.90 | % | 0.00 | 0 | 0 | 0.74 | 0.03 | 0.00 | -0.03 | 9/18/2026 3:59:57 PM EST | |||
| 240.00 | 0.00 | 1.75 | 0.88 | % | 0.00 | 0 | 0 | 0.81 | 0.01 | 0.00 | -0.02 | 9/18/2026 3:59:57 PM EST | |||
| 250.00 | 0.00 | 2.05 | 1.03 | % | 0.00 | 0 | 0 | 0.93 | 0.01 | 0.00 | -0.01 | 9/18/2026 3:59:57 PM EST | |||
| 260.00 | 0.00 | 1.95 | 0.98 | % | 0.00 | 0 | 0 | 0.98 | 0.00 | 0.00 | 0.00 | 9/18/2026 3:59:57 PM EST | |||
| 270.00 | 0.00 | 1.85 | 0.93 | % | 0.00 | 0 | 0 | 1.04 | 0.00 | 0.00 | 0.00 | 9/18/2026 3:59:57 PM EST | |||
| 280.00 | 0.00 | 1.80 | 0.90 | % | 0.00 | 0 | 0 | 1.10 | 0.00 | 0.00 | 0.00 | 9/18/2026 3:59:57 PM EST |
Puts
| Strike | Bid | Ask | Premium | Last Price | Change | %Chg | Premium to Strike Price Ratio | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 135.00 | 0.30 | 2.35 | 1.33 | 1.13 | 0.00 | 0.00% | 0.01 | 0 | 20 | 0.68 | -0.04 | 0.00 | -0.05 | 9/14/2026 | 9/18/2026 3:59:57 PM EST |
| 140.00 | 0.05 | 2.40 | 1.23 | 1.16 | 0.00 | 0.00% | 0.01 | 0 | 22 | 0.55 | -0.06 | 0.00 | -0.07 | 9/15/2026 | 9/18/2026 3:59:57 PM EST |
| 145.00 | 0.25 | 2.30 | 1.28 | 1.62 | 0.00 | 0.00% | 0.01 | 0 | 39 | 0.52 | -0.10 | 0.01 | -0.09 | 9/15/2026 | 9/18/2026 3:59:57 PM EST |
| 150.00 | 1.00 | 3.20 | 2.10 | 1.45 | 0.00 | 0.00% | 0.01 | 0 | 69 | 0.55 | -0.14 | 0.01 | -0.11 | 9/17/2026 | 9/18/2026 3:59:57 PM EST |
| 155.00 | 1.30 | 4.10 | 2.70 | 2.48 | +0.41 | +19.81% | 0.02 | 2 | 520 | 0.52 | -0.19 | 0.01 | -0.14 | 9/18/2026 | 9/18/2026 3:59:57 PM EST |
| 160.00 | 2.45 | 5.40 | 3.93 | 3.90 | +1.30 | +50.00% | 0.02 | 4 | 14 | 0.52 | -0.25 | 0.01 | -0.16 | 9/18/2026 | 9/18/2026 3:59:57 PM EST |
| 165.00 | 4.00 | 7.00 | 5.50 | 5.10 | +0.90 | +21.43% | 0.03 | 1 | 53 | 0.52 | -0.31 | 0.01 | -0.18 | 9/18/2026 | 9/18/2026 3:59:57 PM EST |
| 170.00 | 6.00 | 8.20 | 7.10 | 7.45 | +1.95 | +35.46% | 0.04 | 6 | 24 | 0.50 | -0.39 | 0.01 | -0.19 | 9/18/2026 | 9/18/2026 3:59:57 PM EST |
| 175.00 | 8.40 | 11.40 | 9.90 | 9.90 | +2.70 | +37.50% | 0.06 | 5 | 9 | 0.52 | -0.46 | 0.02 | -0.19 | 9/18/2026 | 9/18/2026 3:59:57 PM EST |
| 180.00 | 11.80 | 13.50 | 12.65 | 12.70 | +3.40 | +36.56% | 0.07 | 1 | 1 | 0.52 | -0.54 | 0.02 | -0.19 | 9/18/2026 | 9/18/2026 3:59:57 PM EST |
| 185.00 | 14.70 | 16.50 | 15.60 | 15.50 | +2.80 | +22.05% | 0.08 | 2 | 1 | 0.51 | -0.61 | 0.02 | -0.18 | 9/18/2026 | 9/18/2026 3:59:57 PM EST |
| 190.00 | 17.20 | 20.80 | 19.00 | 16.40 | 0.00 | 0.00% | 0.10 | 0 | 3 | 0.50 | -0.68 | 0.01 | -0.17 | 9/17/2026 | 9/18/2026 3:59:57 PM EST |
| 195.00 | 20.70 | 23.90 | 22.30 | 17.00 | 0.00 | 0.00% | 0.11 | 0 | 1 | 0.46 | -0.75 | 0.01 | -0.15 | 9/16/2026 | 9/18/2026 3:59:57 PM EST |
| 200.00 | 24.80 | 27.90 | 26.35 | % | 0.13 | 0 | 0 | 0.59 | -0.80 | 0.01 | -0.13 | 9/18/2026 3:59:57 PM EST | |||
| 210.00 | 33.80 | 37.40 | 35.60 | % | 0.17 | 0 | 0 | 0.68 | -0.89 | 0.01 | -0.09 | 9/18/2026 3:59:57 PM EST | |||
| 220.00 | 43.40 | 46.40 | 44.90 | % | 0.20 | 0 | 0 | 0.70 | -0.94 | 0.00 | -0.05 | 9/18/2026 3:59:57 PM EST | |||
| 230.00 | 53.20 | 56.80 | 55.00 | 45.80 | 0.00 | 0.00% | 0.24 | 0 | 0 | 0.82 | -0.97 | 0.00 | -0.03 | 9/15/2026 | 9/18/2026 3:59:57 PM EST |
| 240.00 | 63.20 | 66.90 | 65.05 | % | 0.27 | 0 | 0 | 0.87 | -0.99 | 0.00 | -0.02 | 9/18/2026 3:59:57 PM EST | |||
| 250.00 | 73.20 | 76.90 | 75.05 | % | 0.30 | 0 | 0 | 0.99 | -0.99 | 0.00 | -0.01 | 9/18/2026 3:59:57 PM EST | |||
| 260.00 | 83.20 | 86.90 | 85.05 | % | 0.33 | 0 | 0 | 1.06 | -1.00 | 0.00 | 0.00 | 9/18/2026 3:59:57 PM EST | |||
| 270.00 | 93.20 | 96.90 | 95.05 | % | 0.35 | 0 | 0 | 1.13 | -1.00 | 0.00 | 0.00 | 9/18/2026 3:59:57 PM EST | |||
| 280.00 | 103.20 | 106.90 | 105.05 | % | 0.38 | 0 | 0 | 1.20 | -1.00 | 0.00 | 0.00 | 9/18/2026 3:59:57 PM EST |