Options Chain for MKS INC. COM (MKSI) - $293.30 as of 7/31/2026 3:19:12 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 | 161.40 | 165.30 | 163.35 | % | 1.21 | 0 | 0 | 1.51 | 0.99 | 0.00 | -0.03 | 7/31/2026 4:00:12 PM EST | |||
| 140.00 | 156.60 | 160.90 | 158.75 | % | 1.13 | 0 | 0 | 1.47 | 0.99 | 0.00 | -0.04 | 7/31/2026 4:00:12 PM EST | |||
| 145.00 | 151.80 | 155.90 | 153.85 | % | 1.06 | 0 | 0 | 0.43 | 0.99 | 0.00 | -0.05 | 7/31/2026 4:00:12 PM EST | |||
| 150.00 | 147.10 | 151.20 | 149.15 | % | 0.99 | 0 | 0 | 0.58 | 0.98 | 0.00 | -0.06 | 7/31/2026 4:00:12 PM EST | |||
| 155.00 | 142.40 | 146.20 | 144.30 | % | 0.93 | 0 | 0 | 0.67 | 0.98 | 0.00 | -0.07 | 7/31/2026 4:00:12 PM EST | |||
| 160.00 | 137.70 | 141.60 | 139.65 | % | 0.87 | 0 | 0 | 0.74 | 0.97 | 0.00 | -0.08 | 7/31/2026 4:00:12 PM EST | |||
| 165.00 | 133.00 | 137.00 | 135.00 | % | 0.82 | 0 | 0 | 1.21 | 0.97 | 0.00 | -0.11 | 7/31/2026 4:00:12 PM EST | |||
| 170.00 | 128.40 | 132.20 | 130.30 | % | 0.77 | 0 | 0 | 0.65 | 0.96 | 0.00 | -0.13 | 7/31/2026 4:00:12 PM EST | |||
| 175.00 | 123.90 | 127.80 | 125.85 | % | 0.72 | 0 | 0 | 0.74 | 0.96 | 0.00 | -0.14 | 7/31/2026 4:00:12 PM EST | |||
| 180.00 | 119.40 | 123.00 | 121.20 | % | 0.67 | 0 | 0 | 0.74 | 0.95 | 0.00 | -0.15 | 7/31/2026 4:00:12 PM EST | |||
| 185.00 | 115.00 | 118.60 | 116.80 | 162.30 | 0.00 | 0.00% | 0.63 | 0 | 1 | 0.78 | 0.94 | 0.00 | -0.16 | 7/24/2026 | 7/31/2026 4:00:12 PM EST |
| 190.00 | 110.60 | 114.50 | 112.55 | % | 0.59 | 0 | 0 | 0.82 | 0.93 | 0.00 | -0.18 | 7/31/2026 4:00:12 PM EST | |||
| 195.00 | 106.30 | 110.30 | 108.30 | % | 0.56 | 0 | 0 | 0.82 | 0.92 | 0.00 | -0.19 | 7/31/2026 4:00:12 PM EST | |||
| 200.00 | 102.30 | 105.10 | 103.70 | 97.00 | 0.00 | 0.00% | 0.52 | 0 | 1 | 0.82 | 0.91 | 0.00 | -0.21 | 7/30/2026 | 7/31/2026 4:00:12 PM EST |
| 210.00 | 94.10 | 97.00 | 95.55 | 88.80 | 0.00 | 0.00% | 0.45 | 0 | 1 | 0.84 | 0.89 | 0.00 | -0.24 | 7/30/2026 | 7/31/2026 4:00:12 PM EST |
| 220.00 | 86.40 | 89.00 | 87.70 | % | 0.40 | 0 | 0 | 0.86 | 0.86 | 0.00 | -0.27 | 7/31/2026 4:00:12 PM EST | |||
| 230.00 | 78.80 | 81.30 | 80.05 | % | 0.35 | 0 | 0 | 0.87 | 0.83 | 0.00 | -0.30 | 7/31/2026 4:00:12 PM EST | |||
| 240.00 | 71.50 | 74.00 | 72.75 | % | 0.30 | 0 | 0 | 0.86 | 0.80 | 0.00 | -0.33 | 7/31/2026 4:00:12 PM EST | |||
| 250.00 | 64.60 | 67.20 | 65.90 | 56.90 | 0.00 | 0.00% | 0.26 | 0 | 47 | 0.86 | 0.77 | 0.00 | -0.35 | 7/28/2026 | 7/31/2026 4:00:12 PM EST |
| 260.00 | 58.30 | 60.80 | 59.55 | 56.00 | 0.00 | 0.00% | 0.23 | 0 | 206 | 0.86 | 0.73 | 0.00 | -0.37 | 7/30/2026 | 7/31/2026 4:00:12 PM EST |
| 270.00 | 52.30 | 54.90 | 53.60 | % | 0.20 | 0 | 0 | 0.87 | 0.69 | 0.00 | -0.39 | 7/31/2026 4:00:12 PM EST | |||
| 280.00 | 47.00 | 49.60 | 48.30 | % | 0.17 | 0 | 0 | 0.87 | 0.65 | 0.00 | -0.40 | 7/31/2026 4:00:12 PM EST | |||
| 290.00 | 41.50 | 44.40 | 42.95 | 41.90 | 0.00 | 0.00% | 0.15 | 0 | 205 | 0.86 | 0.61 | 0.00 | -0.41 | 7/30/2026 | 7/31/2026 4:00:12 PM EST |
| 300.00 | 36.70 | 39.70 | 38.20 | 39.20 | +15.10 | +62.66% | 0.13 | 10 | 15 | 0.86 | 0.57 | 0.00 | -0.42 | 7/31/2026 | 7/31/2026 4:00:12 PM EST |
| 310.00 | 32.60 | 35.70 | 34.15 | 28.40 | 0.00 | 0.00% | 0.11 | 0 | 156 | 0.86 | 0.53 | 0.00 | -0.42 | 7/28/2026 | 7/31/2026 4:00:12 PM EST |
| 320.00 | 28.50 | 31.80 | 30.15 | 38.64 | 0.00 | 0.00% | 0.09 | 0 | 76 | 0.86 | 0.49 | 0.00 | -0.42 | 7/27/2026 | 7/31/2026 4:00:12 PM EST |
| 330.00 | 25.20 | 28.10 | 26.65 | 24.09 | 0.00 | 0.00% | 0.08 | 0 | 47 | 0.86 | 0.45 | 0.00 | -0.41 | 7/30/2026 | 7/31/2026 4:00:12 PM EST |
| 340.00 | 22.50 | 25.20 | 23.85 | 22.60 | 0.00 | 0.00% | 0.07 | 0 | 6 | 0.87 | 0.42 | 0.00 | -0.40 | 7/30/2026 | 7/31/2026 4:00:12 PM EST |
| 350.00 | 19.50 | 22.40 | 20.95 | 17.94 | 0.00 | 0.00% | 0.06 | 0 | 12 | 0.86 | 0.38 | 0.00 | -0.39 | 7/30/2026 | 7/31/2026 4:00:12 PM EST |
| 360.00 | 17.70 | 19.60 | 18.65 | 19.95 | +2.70 | +15.66% | 0.05 | 1 | 60 | 0.87 | 0.35 | 0.00 | -0.38 | 7/31/2026 | 7/31/2026 4:00:12 PM EST |
| 370.00 | 15.40 | 17.50 | 16.45 | 17.90 | +3.29 | +22.52% | 0.04 | 61 | 21 | 0.87 | 0.32 | 0.00 | -0.36 | 7/31/2026 | 7/31/2026 4:00:12 PM EST |
| 380.00 | 13.40 | 15.70 | 14.55 | 14.08 | 0.00 | 0.00% | 0.04 | 0 | 2 | 0.87 | 0.29 | 0.00 | -0.34 | 7/30/2026 | 7/31/2026 4:00:12 PM EST |
| 390.00 | 10.90 | 14.20 | 12.55 | 7.89 | 0.00 | 0.00% | 0.03 | 0 | 5 | 0.86 | 0.26 | 0.00 | -0.33 | 7/29/2026 | 7/31/2026 4:00:12 PM EST |
| 400.00 | 9.30 | 12.40 | 10.85 | 7.26 | 0.00 | 0.00% | 0.03 | 0 | 15 | 0.86 | 0.23 | 0.00 | -0.31 | 7/29/2026 | 7/31/2026 4:00:12 PM EST |
| 410.00 | 8.00 | 11.30 | 9.65 | 7.80 | 0.00 | 0.00% | 0.02 | 0 | 112 | 0.86 | 0.21 | 0.00 | -0.29 | 7/28/2026 | 7/31/2026 4:00:12 PM EST |
| 420.00 | 6.80 | 10.60 | 8.70 | % | 0.02 | 0 | 0 | 0.87 | 0.19 | 0.00 | -0.27 | 7/31/2026 4:00:12 PM EST | |||
| 430.00 | 5.30 | 8.70 | 7.00 | % | 0.02 | 0 | 0 | 0.85 | 0.17 | 0.00 | -0.25 | 7/31/2026 4:00:12 PM EST | |||
| 440.00 | 4.50 | 8.60 | 6.55 | % | 0.01 | 0 | 0 | 0.86 | 0.15 | 0.00 | -0.23 | 7/31/2026 4:00:12 PM EST | |||
| 450.00 | 4.50 | 7.30 | 5.90 | 6.00 | 0.00 | 0.00% | 0.01 | 0 | 7 | 0.87 | 0.14 | 0.00 | -0.22 | 7/30/2026 | 7/31/2026 4:00:12 PM EST |
| 460.00 | 3.20 | 6.70 | 4.95 | 13.40 | 0.00 | 0.00% | 0.01 | 0 | 95 | 0.86 | 0.12 | 0.00 | -0.20 | 7/16/2026 | 7/31/2026 4:00:12 PM EST |
| 470.00 | 2.60 | 6.60 | 4.60 | % | 0.01 | 0 | 0 | 0.87 | 0.11 | 0.00 | -0.19 | 7/31/2026 4:00:12 PM EST | |||
| 480.00 | 2.10 | 6.00 | 4.05 | 12.78 | 0.00 | 0.00% | 0.01 | 0 | 19 | 0.87 | 0.10 | 0.00 | -0.17 | 7/21/2026 | 7/31/2026 4:00:12 PM EST |
| 490.00 | 1.55 | 5.60 | 3.58 | 12.50 | 0.00 | 0.00% | 0.01 | 0 | 35 | 0.87 | 0.09 | 0.00 | -0.16 | 7/21/2026 | 7/31/2026 4:00:12 PM EST |
| 500.00 | 1.50 | 5.20 | 3.35 | % | 0.01 | 0 | 0 | 0.88 | 0.08 | 0.00 | -0.14 | 7/31/2026 4:00:12 PM EST | |||
| 510.00 | 1.10 | 4.80 | 2.95 | % | 0.01 | 0 | 0 | 0.88 | 0.07 | 0.00 | -0.13 | 7/31/2026 4:00:12 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 | 0.00 | 2.65 | 1.33 | % | 0.01 | 0 | 0 | 1.41 | -0.01 | 0.00 | -0.03 | 7/31/2026 4:00:12 PM EST | |||
| 140.00 | 0.00 | 2.80 | 1.40 | % | 0.01 | 0 | 0 | 1.37 | -0.01 | 0.00 | -0.04 | 7/31/2026 4:00:12 PM EST | |||
| 145.00 | 0.00 | 2.95 | 1.48 | % | 0.01 | 0 | 0 | 1.33 | -0.01 | 0.00 | -0.05 | 7/31/2026 4:00:12 PM EST | |||
| 150.00 | 0.00 | 3.10 | 1.55 | % | 0.01 | 0 | 0 | 1.29 | -0.02 | 0.00 | -0.06 | 7/31/2026 4:00:12 PM EST | |||
| 155.00 | 0.00 | 3.30 | 1.65 | 1.80 | 0.00 | 0.00% | 0.01 | 0 | 1 | 1.25 | -0.02 | 0.00 | -0.07 | 7/30/2026 | 7/31/2026 4:00:12 PM EST |
| 160.00 | 0.00 | 3.60 | 1.80 | % | 0.01 | 0 | 0 | 1.22 | -0.03 | 0.00 | -0.08 | 7/31/2026 4:00:12 PM EST | |||
| 165.00 | 0.30 | 3.70 | 2.00 | 2.50 | 0.00 | 0.00% | 0.01 | 0 | 1 | 0.98 | -0.03 | 0.00 | -0.11 | 7/30/2026 | 7/31/2026 4:00:12 PM EST |
| 170.00 | 0.30 | 3.80 | 2.05 | % | 0.01 | 0 | 0 | 0.90 | -0.04 | 0.00 | -0.13 | 7/31/2026 4:00:12 PM EST | |||
| 175.00 | 1.20 | 4.10 | 2.65 | 2.50 | 0.00 | 0.00% | 0.02 | 0 | 2 | 1.00 | -0.04 | 0.00 | -0.14 | 7/28/2026 | 7/31/2026 4:00:12 PM EST |
| 180.00 | 1.30 | 4.60 | 2.95 | 5.10 | 0.00 | 0.00% | 0.02 | 0 | 10 | 0.98 | -0.05 | 0.00 | -0.15 | 7/28/2026 | 7/31/2026 4:00:12 PM EST |
| 185.00 | 1.75 | 5.10 | 3.43 | 5.65 | 0.00 | 0.00% | 0.02 | 0 | 10 | 0.97 | -0.06 | 0.00 | -0.16 | 7/28/2026 | 7/31/2026 4:00:12 PM EST |
| 190.00 | 2.50 | 5.60 | 4.05 | 2.70 | 0.00 | 0.00% | 0.02 | 0 | 3 | 0.98 | -0.07 | 0.00 | -0.18 | 7/23/2026 | 7/31/2026 4:00:12 PM EST |
| 195.00 | 3.10 | 6.30 | 4.70 | % | 0.02 | 0 | 0 | 0.98 | -0.08 | 0.00 | -0.19 | 7/31/2026 4:00:12 PM EST | |||
| 200.00 | 3.20 | 7.70 | 5.45 | 7.00 | 0.00 | 0.00% | 0.03 | 0 | 59 | 0.97 | -0.09 | 0.00 | -0.21 | 7/30/2026 | 7/31/2026 4:00:12 PM EST |
| 210.00 | 4.90 | 9.30 | 7.10 | % | 0.03 | 0 | 0 | 0.97 | -0.11 | 0.00 | -0.24 | 7/31/2026 4:00:12 PM EST | |||
| 220.00 | 7.30 | 10.00 | 8.65 | % | 0.04 | 0 | 0 | 0.95 | -0.14 | 0.00 | -0.27 | 7/31/2026 4:00:12 PM EST | |||
| 230.00 | 9.60 | 12.00 | 10.80 | 11.20 | -1.50 | -11.82% | 0.05 | 10 | 164 | 0.94 | -0.17 | 0.00 | -0.30 | 7/31/2026 | 7/31/2026 4:00:12 PM EST |
| 240.00 | 12.50 | 15.90 | 14.20 | 15.25 | 0.00 | 0.00% | 0.06 | 0 | 66 | 0.95 | -0.20 | 0.00 | -0.33 | 7/30/2026 | 7/31/2026 4:00:12 PM EST |
| 250.00 | 15.00 | 17.80 | 16.40 | 20.00 | 0.00 | 0.00% | 0.07 | 0 | 97 | 0.92 | -0.23 | 0.00 | -0.35 | 7/30/2026 | 7/31/2026 4:00:12 PM EST |
| 260.00 | 18.50 | 21.80 | 20.15 | 19.90 | -3.40 | -14.60% | 0.08 | 38 | 49 | 0.92 | -0.27 | 0.00 | -0.37 | 7/31/2026 | 7/31/2026 4:00:12 PM EST |
| 270.00 | 22.40 | 25.50 | 23.95 | 17.80 | 0.00 | 0.00% | 0.09 | 0 | 83 | 0.91 | -0.31 | 0.00 | -0.39 | 7/23/2026 | 7/31/2026 4:00:12 PM EST |
| 280.00 | 27.80 | 30.20 | 29.00 | 27.92 | 0.00 | 0.00% | 0.10 | 0 | 11 | 0.92 | -0.35 | 0.00 | -0.40 | 7/27/2026 | 7/31/2026 4:00:12 PM EST |
| 290.00 | 32.70 | 35.00 | 33.85 | 32.30 | +8.90 | +38.04% | 0.12 | 141 | 13 | 0.92 | -0.39 | 0.00 | -0.41 | 7/31/2026 | 7/31/2026 4:00:12 PM EST |
| 300.00 | 38.00 | 40.50 | 39.25 | 36.99 | -6.64 | -15.22% | 0.13 | 100 | 237 | 0.92 | -0.43 | 0.00 | -0.42 | 7/31/2026 | 7/31/2026 4:00:12 PM EST |
| 310.00 | 43.90 | 46.20 | 45.05 | 54.10 | 0.00 | 0.00% | 0.15 | 0 | 67 | 0.92 | -0.47 | 0.00 | -0.42 | 7/28/2026 | 7/31/2026 4:00:12 PM EST |
| 320.00 | 49.00 | 52.80 | 50.90 | % | 0.16 | 0 | 0 | 0.91 | -0.51 | 0.00 | -0.42 | 7/31/2026 4:00:12 PM EST | |||
| 330.00 | 56.00 | 59.30 | 57.65 | % | 0.17 | 0 | 0 | 0.92 | -0.55 | 0.00 | -0.41 | 7/31/2026 4:00:12 PM EST | |||
| 340.00 | 62.90 | 66.40 | 64.65 | 61.00 | 0.00 | 0.00% | 0.19 | 0 | 2 | 0.92 | -0.58 | 0.00 | -0.40 | 7/27/2026 | 7/31/2026 4:00:12 PM EST |
| 350.00 | 70.20 | 72.90 | 71.55 | 93.50 | 0.00 | 0.00% | 0.20 | 0 | 9 | 0.92 | -0.62 | 0.00 | -0.39 | 7/29/2026 | 7/31/2026 4:00:12 PM EST |
| 360.00 | 77.20 | 80.00 | 78.60 | 77.20 | 0.00 | 0.00% | 0.22 | 0 | 2 | 0.91 | -0.65 | 0.00 | -0.38 | 7/27/2026 | 7/31/2026 4:00:12 PM EST |
| 370.00 | 85.60 | 88.70 | 87.15 | 64.60 | 0.00 | 0.00% | 0.24 | 0 | 8 | 0.93 | -0.68 | 0.00 | -0.36 | 7/23/2026 | 7/31/2026 4:00:12 PM EST |
| 380.00 | 93.70 | 96.70 | 95.20 | 113.50 | 0.00 | 0.00% | 0.25 | 0 | 89 | 0.93 | -0.71 | 0.00 | -0.34 | 7/29/2026 | 7/31/2026 4:00:12 PM EST |
| 390.00 | 102.00 | 105.80 | 103.90 | 128.90 | 0.00 | 0.00% | 0.27 | 0 | 50 | 0.95 | -0.74 | 0.00 | -0.33 | 7/29/2026 | 7/31/2026 4:00:12 PM EST |
| 400.00 | 110.50 | 114.10 | 112.30 | 85.00 | 0.00 | 0.00% | 0.28 | 0 | 1 | 0.95 | -0.77 | 0.00 | -0.31 | 7/24/2026 | 7/31/2026 4:00:12 PM EST |
| 410.00 | 119.10 | 122.90 | 121.00 | % | 0.30 | 0 | 0 | 0.95 | -0.79 | 0.00 | -0.29 | 7/31/2026 4:00:12 PM EST | |||
| 420.00 | 127.90 | 131.80 | 129.85 | % | 0.31 | 0 | 0 | 0.96 | -0.81 | 0.00 | -0.27 | 7/31/2026 4:00:12 PM EST | |||
| 430.00 | 136.80 | 140.80 | 138.80 | % | 0.32 | 0 | 0 | 0.96 | -0.83 | 0.00 | -0.25 | 7/31/2026 4:00:12 PM EST | |||
| 440.00 | 146.00 | 149.90 | 147.95 | % | 0.34 | 0 | 0 | 0.97 | -0.85 | 0.00 | -0.23 | 7/31/2026 4:00:12 PM EST | |||
| 450.00 | 155.20 | 159.10 | 157.15 | 126.50 | 0.00 | 0.00% | 0.35 | 0 | 45 | 0.97 | -0.86 | 0.00 | -0.22 | 7/16/2026 | 7/31/2026 4:00:12 PM EST |
| 460.00 | 164.70 | 168.00 | 166.35 | 173.50 | 0.00 | 0.00% | 0.36 | 0 | 58 | 0.97 | -0.88 | 0.00 | -0.20 | 7/30/2026 | 7/31/2026 4:00:12 PM EST |
| 470.00 | 174.10 | 177.80 | 175.95 | % | 0.37 | 0 | 0 | 0.98 | -0.89 | 0.00 | -0.19 | 7/31/2026 4:00:12 PM EST | |||
| 480.00 | 183.60 | 187.40 | 185.50 | % | 0.39 | 0 | 0 | 0.99 | -0.90 | 0.00 | -0.17 | 7/31/2026 4:00:12 PM EST | |||
| 490.00 | 193.00 | 196.90 | 194.95 | % | 0.40 | 0 | 0 | 1.01 | -0.91 | 0.00 | -0.16 | 7/31/2026 4:00:12 PM EST | |||
| 500.00 | 202.80 | 206.50 | 204.65 | % | 0.41 | 0 | 0 | 1.01 | -0.92 | 0.00 | -0.14 | 7/31/2026 4:00:12 PM EST | |||
| 510.00 | 212.30 | 216.30 | 214.30 | % | 0.42 | 0 | 0 | 1.03 | -0.93 | 0.00 | -0.13 | 7/31/2026 4:00:12 PM EST |