Options Chain for MKS INC. COM (MKSI) - $249.08 as of 2/20/2026 1:41:36 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 | 122.60 | 126.70 | 124.65 | % | 0.92 | 0 | 0 | 1.56 | 1.00 | 0.00 | 0.00 | 2/20/2026 4:00:22 PM EST | |||
| 140.00 | 117.70 | 121.20 | 119.45 | % | 0.85 | 0 | 0 | 1.47 | 1.00 | 0.00 | 0.00 | 2/20/2026 4:00:22 PM EST | |||
| 145.00 | 112.80 | 115.80 | 114.30 | % | 0.79 | 0 | 0 | 1.33 | 1.00 | 0.00 | 0.00 | 2/20/2026 4:00:22 PM EST | |||
| 150.00 | 107.80 | 110.50 | 109.15 | 109.55 | +37.91 | +52.92% | 0.73 | 1 | 1 | 1.21 | 1.00 | 0.00 | 0.00 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 155.00 | 102.90 | 106.00 | 104.45 | % | 0.67 | 0 | 0 | 1.23 | 1.00 | 0.00 | -0.01 | 2/20/2026 4:00:22 PM EST | |||
| 160.00 | 97.80 | 101.40 | 99.60 | % | 0.62 | 0 | 0 | 1.22 | 1.00 | 0.00 | -0.01 | 2/20/2026 4:00:22 PM EST | |||
| 165.00 | 92.90 | 96.70 | 94.80 | % | 0.57 | 0 | 0 | 1.19 | 0.99 | 0.00 | -0.02 | 2/20/2026 4:00:22 PM EST | |||
| 170.00 | 88.20 | 92.20 | 90.20 | % | 0.53 | 0 | 0 | 1.13 | 0.99 | 0.00 | -0.02 | 2/20/2026 4:00:22 PM EST | |||
| 175.00 | 83.30 | 86.40 | 84.85 | 87.15 | 0.00 | 0.00% | 0.48 | 0 | 1 | 1.03 | 0.98 | 0.00 | -0.03 | 2/13/2026 | 2/20/2026 4:00:22 PM EST |
| 180.00 | 78.50 | 81.50 | 80.00 | 82.74 | +14.14 | +20.62% | 0.44 | 1 | 1 | 0.98 | 0.98 | 0.00 | -0.05 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 185.00 | 73.70 | 76.90 | 75.30 | 45.70 | 0.00 | 0.00% | 0.41 | 0 | 1 | 0.96 | 0.97 | 0.00 | -0.06 | 1/22/2026 | 2/20/2026 4:00:22 PM EST |
| 190.00 | 69.00 | 71.20 | 70.10 | 74.16 | 0.00 | 0.00% | 0.37 | 0 | 3 | 0.83 | 0.96 | 0.00 | -0.08 | 2/13/2026 | 2/20/2026 4:00:22 PM EST |
| 195.00 | 64.40 | 66.50 | 65.45 | 69.15 | 0.00 | 0.00% | 0.34 | 0 | 3 | 0.60 | 0.94 | 0.00 | -0.10 | 2/13/2026 | 2/20/2026 4:00:22 PM EST |
| 200.00 | 59.70 | 62.00 | 60.85 | 63.69 | -3.96 | -5.86% | 0.30 | 5 | 169 | 0.58 | 0.93 | 0.00 | -0.12 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 210.00 | 50.60 | 54.00 | 52.30 | 53.00 | +9.06 | +20.62% | 0.25 | 2 | 23 | 0.64 | 0.89 | 0.00 | -0.17 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 220.00 | 42.30 | 45.80 | 44.05 | 38.00 | +1.22 | +3.32% | 0.20 | 2 | 192 | 0.65 | 0.84 | 0.01 | -0.22 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 230.00 | 34.60 | 37.60 | 36.10 | 37.50 | +7.70 | +25.84% | 0.16 | 1 | 346 | 0.64 | 0.77 | 0.01 | -0.26 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 240.00 | 27.30 | 30.60 | 28.95 | 29.90 | +6.59 | +28.28% | 0.12 | 2 | 26 | 0.63 | 0.70 | 0.01 | -0.30 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 250.00 | 22.20 | 24.60 | 23.40 | 22.60 | +5.10 | +29.15% | 0.09 | 13 | 427 | 0.64 | 0.62 | 0.01 | -0.32 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 260.00 | 16.80 | 19.60 | 18.20 | 18.40 | +4.76 | +34.90% | 0.07 | 103 | 56 | 0.64 | 0.53 | 0.01 | -0.33 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 270.00 | 12.60 | 14.00 | 13.30 | 13.00 | +2.57 | +24.64% | 0.05 | 4 | 36 | 0.62 | 0.45 | 0.01 | -0.32 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 280.00 | 9.20 | 11.20 | 10.20 | 10.39 | +2.79 | +36.72% | 0.04 | 14 | 23 | 0.62 | 0.36 | 0.01 | -0.30 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 290.00 | 6.20 | 7.90 | 7.05 | 6.80 | +1.70 | +33.34% | 0.02 | 1 | 4 | 0.60 | 0.29 | 0.01 | -0.27 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 300.00 | 4.40 | 6.60 | 5.50 | 4.87 | -0.23 | -4.51% | 0.02 | 4 | 64 | 0.63 | 0.22 | 0.01 | -0.24 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 310.00 | 3.10 | 4.20 | 3.65 | 4.00 | +1.40 | +53.85% | 0.01 | 3 | 43 | 0.61 | 0.17 | 0.01 | -0.20 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 320.00 | 2.10 | 3.50 | 2.80 | 2.80 | +0.20 | +7.70% | 0.01 | 11 | 4 | 0.62 | 0.13 | 0.00 | -0.16 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 330.00 | 1.15 | 3.00 | 2.08 | 4.07 | 0.00 | 0.00% | 0.01 | 0 | 3 | 0.63 | 0.09 | 0.00 | -0.13 | 2/17/2026 | 2/20/2026 4:00:22 PM EST |
| 340.00 | 0.10 | 3.30 | 1.70 | 0.94 | 0.00 | 0.00% | 0.01 | 0 | 6 | 0.60 | 0.07 | 0.00 | -0.10 | 2/18/2026 | 2/20/2026 4:00:22 PM EST |
| 350.00 | 0.00 | 1.80 | 0.90 | 2.81 | 0.00 | 0.00% | 0.00 | 0 | 1 | 0.73 | 0.05 | 0.00 | -0.08 | 2/17/2026 | 2/20/2026 4:00:22 PM EST |
| 360.00 | 0.50 | 1.50 | 1.00 | % | 0.00 | 0 | 0 | 0.68 | 0.03 | 0.00 | -0.06 | 2/20/2026 4:00:22 PM EST | |||
| 370.00 | 0.50 | 1.00 | 0.75 | 0.55 | % | 0.00 | 4 | 0 | 0.69 | 0.02 | 0.00 | -0.04 | 2/20/2026 | 2/20/2026 4:00:22 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 | 2.15 | 1.08 | % | 0.01 | 0 | 0 | 1.54 | 0.00 | 0.00 | 0.00 | 2/20/2026 4:00:22 PM EST | |||
| 140.00 | 0.00 | 2.15 | 1.08 | % | 0.01 | 0 | 0 | 1.47 | 0.00 | 0.00 | 0.00 | 2/20/2026 4:00:22 PM EST | |||
| 145.00 | 0.00 | 2.20 | 1.10 | % | 0.01 | 0 | 0 | 1.41 | 0.00 | 0.00 | 0.00 | 2/20/2026 4:00:22 PM EST | |||
| 150.00 | 0.10 | 0.20 | 0.15 | 0.15 | -2.10 | -93.34% | 0.00 | 1 | 1 | 0.84 | 0.00 | 0.00 | 0.00 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 155.00 | 0.10 | 0.40 | 0.25 | 0.15 | -1.95 | -92.86% | 0.00 | 4 | 3 | 0.84 | 0.00 | 0.00 | -0.01 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 160.00 | 0.00 | 1.15 | 0.58 | 2.70 | 0.00 | 0.00% | 0.00 | 0 | 1 | 1.05 | 0.00 | 0.00 | -0.01 | 2/5/2026 | 2/20/2026 4:00:22 PM EST |
| 165.00 | 0.00 | 2.40 | 1.20 | 0.78 | 0.00 | 0.00% | 0.01 | 0 | 1 | 1.17 | -0.01 | 0.00 | -0.02 | 2/11/2026 | 2/20/2026 4:00:22 PM EST |
| 170.00 | 0.00 | 1.55 | 0.78 | % | 0.00 | 0 | 0 | 1.00 | -0.01 | 0.00 | -0.02 | 2/20/2026 4:00:22 PM EST | |||
| 175.00 | 0.00 | 1.35 | 0.68 | 4.22 | 0.00 | 0.00% | 0.00 | 0 | 10 | 0.91 | -0.02 | 0.00 | -0.03 | 1/23/2026 | 2/20/2026 4:00:22 PM EST |
| 180.00 | 0.00 | 1.80 | 0.90 | 5.67 | 0.00 | 0.00% | 0.01 | 0 | 1 | 0.91 | -0.02 | 0.00 | -0.05 | 1/23/2026 | 2/20/2026 4:00:22 PM EST |
| 185.00 | 0.20 | 1.80 | 1.00 | 1.10 | 0.00 | 0.00% | 0.01 | 0 | 4 | 0.72 | -0.03 | 0.00 | -0.06 | 2/18/2026 | 2/20/2026 4:00:22 PM EST |
| 190.00 | 0.05 | 2.00 | 1.03 | 1.07 | -0.72 | -40.23% | 0.01 | 16 | 15 | 0.64 | -0.04 | 0.00 | -0.08 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 195.00 | 1.05 | 3.00 | 2.03 | 1.93 | -0.42 | -17.88% | 0.01 | 1 | 17 | 0.76 | -0.06 | 0.00 | -0.10 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 200.00 | 1.40 | 2.65 | 2.03 | 2.38 | -0.51 | -17.65% | 0.01 | 2 | 37 | 0.72 | -0.07 | 0.00 | -0.12 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 210.00 | 2.55 | 3.40 | 2.98 | 2.87 | -1.63 | -36.23% | 0.01 | 9 | 23 | 0.69 | -0.11 | 0.00 | -0.17 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 220.00 | 4.00 | 5.90 | 4.95 | 4.40 | -2.02 | -31.47% | 0.02 | 17 | 31 | 0.70 | -0.16 | 0.01 | -0.22 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 230.00 | 6.10 | 7.80 | 6.95 | 7.05 | -2.35 | -25.00% | 0.03 | 3 | 35 | 0.67 | -0.23 | 0.01 | -0.26 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 240.00 | 8.90 | 11.00 | 9.95 | 9.40 | -3.60 | -27.70% | 0.04 | 1 | 29 | 0.66 | -0.30 | 0.01 | -0.30 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 250.00 | 12.60 | 14.00 | 13.30 | 13.02 | -5.32 | -29.01% | 0.05 | 3 | 21 | 0.63 | -0.38 | 0.01 | -0.32 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 260.00 | 17.20 | 20.00 | 18.60 | 18.27 | -5.67 | -23.69% | 0.07 | 3 | 14 | 0.65 | -0.47 | 0.01 | -0.33 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 270.00 | 22.90 | 25.70 | 24.30 | 23.50 | -8.50 | -26.57% | 0.09 | 1 | 11 | 0.64 | -0.55 | 0.01 | -0.32 | 2/20/2026 | 2/20/2026 4:00:22 PM EST |
| 280.00 | 29.60 | 32.00 | 30.80 | % | 0.11 | 0 | 0 | 0.64 | -0.64 | 0.01 | -0.30 | 2/20/2026 4:00:22 PM EST | |||
| 290.00 | 37.00 | 39.50 | 38.25 | 44.90 | 0.00 | 0.00% | 0.13 | 0 | 2 | 0.65 | -0.71 | 0.01 | -0.27 | 2/12/2026 | 2/20/2026 4:00:22 PM EST |
| 300.00 | 44.30 | 47.40 | 45.85 | 49.87 | 0.00 | 0.00% | 0.15 | 0 | 2 | 0.64 | -0.78 | 0.01 | -0.24 | 2/11/2026 | 2/20/2026 4:00:22 PM EST |
| 310.00 | 53.00 | 55.90 | 54.45 | 58.20 | 0.00 | 0.00% | 0.18 | 0 | 2 | 0.65 | -0.83 | 0.01 | -0.20 | 2/11/2026 | 2/20/2026 4:00:22 PM EST |
| 320.00 | 61.90 | 65.00 | 63.45 | % | 0.20 | 0 | 0 | 0.66 | -0.87 | 0.00 | -0.16 | 2/20/2026 4:00:22 PM EST | |||
| 330.00 | 71.10 | 74.30 | 72.70 | % | 0.22 | 0 | 0 | 0.65 | -0.91 | 0.00 | -0.13 | 2/20/2026 4:00:22 PM EST | |||
| 340.00 | 80.20 | 83.60 | 81.90 | % | 0.24 | 0 | 0 | 0.79 | -0.93 | 0.00 | -0.10 | 2/20/2026 4:00:22 PM EST | |||
| 350.00 | 89.90 | 93.30 | 91.60 | % | 0.26 | 0 | 0 | 0.83 | -0.95 | 0.00 | -0.08 | 2/20/2026 4:00:22 PM EST | |||
| 360.00 | 100.00 | 103.10 | 101.55 | % | 0.28 | 0 | 0 | 0.87 | -0.97 | 0.00 | -0.06 | 2/20/2026 4:00:22 PM EST | |||
| 370.00 | 109.50 | 112.90 | 111.20 | % | 0.30 | 0 | 0 | 0.90 | -0.98 | 0.00 | -0.04 | 2/20/2026 4:00:22 PM EST |