Options Chain for AON PLC SHS CL A (AON) - $324.30 as of 2/20/2026 5:54:54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 185.00 | 138.90 | 142.80 | 140.85 | % | 0.76 | 0 | 0 | 1.33 | 1.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 190.00 | 133.90 | 137.80 | 135.85 | % | 0.71 | 0 | 0 | 1.29 | 1.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 195.00 | 128.60 | 132.90 | 130.75 | % | 0.67 | 0 | 0 | 1.24 | 1.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 200.00 | 123.70 | 127.90 | 125.80 | % | 0.63 | 0 | 0 | 1.19 | 1.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 210.00 | 114.00 | 117.90 | 115.95 | % | 0.55 | 0 | 0 | 1.09 | 1.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 220.00 | 103.80 | 108.00 | 105.90 | % | 0.48 | 0 | 0 | 1.00 | 1.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 230.00 | 94.00 | 98.10 | 96.05 | % | 0.42 | 0 | 0 | 0.91 | 1.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 240.00 | 84.10 | 88.20 | 86.15 | % | 0.36 | 0 | 0 | 0.83 | 1.00 | 0.00 | -0.01 | 2/20/2026 3:59:57 PM EST | |||
| 250.00 | 74.40 | 78.30 | 76.35 | % | 0.31 | 0 | 0 | 0.74 | 1.00 | 0.00 | -0.03 | 2/20/2026 3:59:57 PM EST | |||
| 260.00 | 65.40 | 68.50 | 66.95 | % | 0.26 | 0 | 0 | 0.67 | 0.99 | 0.00 | -0.04 | 2/20/2026 3:59:57 PM EST | |||
| 270.00 | 55.70 | 58.80 | 57.25 | 43.00 | 0.00 | 0.00% | 0.21 | 0 | 1 | 0.57 | 0.97 | 0.00 | -0.09 | 2/12/2026 | 2/20/2026 3:59:57 PM EST |
| 280.00 | 45.90 | 49.10 | 47.50 | % | 0.17 | 0 | 0 | 0.51 | 0.94 | 0.00 | -0.11 | 2/20/2026 3:59:57 PM EST | |||
| 290.00 | 36.50 | 39.40 | 37.95 | % | 0.13 | 0 | 0 | 0.42 | 0.90 | 0.01 | -0.14 | 2/20/2026 3:59:57 PM EST | |||
| 300.00 | 27.80 | 30.10 | 28.95 | 24.10 | 0.00 | 0.00% | 0.10 | 0 | 1 | 0.32 | 0.84 | 0.01 | -0.17 | 2/12/2026 | 2/20/2026 3:59:57 PM EST |
| 310.00 | 19.30 | 22.10 | 20.70 | 17.20 | 0.00 | 0.00% | 0.07 | 0 | 10 | 0.30 | 0.75 | 0.01 | -0.19 | 2/13/2026 | 2/20/2026 3:59:57 PM EST |
| 320.00 | 12.10 | 13.90 | 13.00 | 12.85 | +0.85 | +7.09% | 0.04 | 3 | 88 | 0.26 | 0.63 | 0.02 | -0.19 | 2/20/2026 | 2/20/2026 3:59:57 PM EST |
| 330.00 | 6.90 | 8.40 | 7.65 | 6.10 | 0.00 | 0.00% | 0.02 | 0 | 36 | 0.25 | 0.45 | 0.02 | -0.18 | 2/19/2026 | 2/20/2026 3:59:57 PM EST |
| 340.00 | 3.10 | 4.30 | 3.70 | 3.62 | +0.22 | +6.48% | 0.01 | 2 | 17 | 0.24 | 0.28 | 0.02 | -0.14 | 2/20/2026 | 2/20/2026 3:59:57 PM EST |
| 350.00 | 1.40 | 2.90 | 2.15 | 1.69 | +0.02 | +1.20% | 0.01 | 1 | 32 | 0.26 | 0.15 | 0.01 | -0.10 | 2/20/2026 | 2/20/2026 3:59:57 PM EST |
| 360.00 | 0.25 | 1.35 | 0.80 | 0.89 | 0.00 | 0.00% | 0.00 | 0 | 63 | 0.24 | 0.09 | 0.01 | -0.07 | 2/19/2026 | 2/20/2026 3:59:57 PM EST |
| 370.00 | 0.40 | 0.90 | 0.65 | 0.51 | 0.00 | 0.00% | 0.00 | 0 | 124 | 0.28 | 0.04 | 0.00 | -0.04 | 2/18/2026 | 2/20/2026 3:59:57 PM EST |
| 380.00 | 0.00 | 0.80 | 0.40 | 0.46 | +0.29 | +170.59% | 0.00 | 6 | 118 | 0.35 | 0.01 | 0.00 | -0.02 | 2/20/2026 | 2/20/2026 3:59:57 PM EST |
| 390.00 | 0.00 | 2.25 | 1.13 | 0.50 | 0.00 | 0.00% | 0.00 | 0 | 54 | 0.50 | 0.00 | 0.00 | 0.00 | 2/13/2026 | 2/20/2026 3:59:57 PM EST |
| 400.00 | 0.00 | 0.75 | 0.38 | 0.35 | 0.00 | 0.00% | 0.00 | 0 | 23 | 0.43 | 0.00 | 0.00 | 0.00 | 2/5/2026 | 2/20/2026 3:59:57 PM EST |
| 410.00 | 0.00 | 2.15 | 1.08 | 1.15 | 0.00 | 0.00% | 0.00 | 0 | 1 | 0.59 | 0.00 | 0.00 | 0.00 | 12/29/2025 | 2/20/2026 3:59:57 PM EST |
| 420.00 | 0.00 | 2.15 | 1.08 | % | 0.00 | 0 | 0 | 0.63 | 0.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 430.00 | 0.00 | 2.15 | 1.08 | % | 0.00 | 0 | 0 | 0.68 | 0.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 440.00 | 0.00 | 2.15 | 1.08 | % | 0.00 | 0 | 0 | 0.72 | 0.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 450.00 | 0.00 | 2.15 | 1.08 | % | 0.00 | 0 | 0 | 0.76 | 0.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 460.00 | 0.00 | 2.15 | 1.08 | % | 0.00 | 0 | 0 | 0.80 | 0.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 470.00 | 0.00 | 2.15 | 1.08 | % | 0.00 | 0 | 0 | 0.83 | 0.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 480.00 | 0.00 | 2.15 | 1.08 | % | 0.00 | 0 | 0 | 0.87 | 0.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 490.00 | 0.00 | 2.15 | 1.08 | % | 0.00 | 0 | 0 | 0.90 | 0.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 500.00 | 0.00 | 2.15 | 1.08 | % | 0.00 | 0 | 0 | 0.94 | 0.00 | 0.00 | 0.00 | 2/20/2026 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 185.00 | 0.00 | 2.15 | 1.08 | 0.15 | 0.00 | 0.00% | 0.01 | 0 | 7 | 1.30 | 0.00 | 0.00 | 0.00 | 2/17/2026 | 2/20/2026 3:59:57 PM EST |
| 190.00 | 0.00 | 2.15 | 1.08 | % | 0.01 | 0 | 0 | 1.25 | 0.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 195.00 | 0.00 | 2.15 | 1.08 | % | 0.01 | 0 | 0 | 1.20 | 0.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 200.00 | 0.00 | 2.15 | 1.08 | % | 0.01 | 0 | 0 | 1.15 | 0.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 210.00 | 0.00 | 2.20 | 1.10 | % | 0.01 | 0 | 0 | 1.06 | 0.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 220.00 | 0.00 | 2.25 | 1.13 | % | 0.01 | 0 | 0 | 0.97 | 0.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 230.00 | 0.00 | 2.30 | 1.15 | % | 0.00 | 0 | 0 | 0.89 | 0.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 240.00 | 0.00 | 1.75 | 0.88 | 0.45 | 0.00 | 0.00% | 0.00 | 0 | 7 | 0.75 | 0.00 | 0.00 | -0.01 | 2/10/2026 | 2/20/2026 3:59:57 PM EST |
| 250.00 | 0.00 | 1.05 | 0.53 | 0.50 | 0.00 | 0.00% | 0.00 | 0 | 2 | 0.60 | 0.00 | 0.00 | -0.03 | 2/17/2026 | 2/20/2026 3:59:57 PM EST |
| 260.00 | 0.00 | 1.45 | 0.73 | 1.80 | 0.00 | 0.00% | 0.00 | 0 | 13 | 0.56 | -0.01 | 0.00 | -0.04 | 2/9/2026 | 2/20/2026 3:59:57 PM EST |
| 270.00 | 0.05 | 2.40 | 1.23 | 0.99 | 0.00 | 0.00% | 0.00 | 0 | 10 | 0.42 | -0.03 | 0.00 | -0.09 | 2/17/2026 | 2/20/2026 3:59:57 PM EST |
| 280.00 | 0.75 | 1.15 | 0.95 | 1.35 | 0.00 | 0.00% | 0.00 | 0 | 55 | 0.37 | -0.06 | 0.00 | -0.11 | 2/19/2026 | 2/20/2026 3:59:57 PM EST |
| 290.00 | 1.10 | 2.40 | 1.75 | 2.17 | 0.00 | 0.00% | 0.01 | 0 | 124 | 0.36 | -0.10 | 0.01 | -0.14 | 2/18/2026 | 2/20/2026 3:59:57 PM EST |
| 300.00 | 2.05 | 3.60 | 2.83 | 2.40 | -0.70 | -22.59% | 0.01 | 3 | 222 | 0.33 | -0.16 | 0.01 | -0.17 | 2/20/2026 | 2/20/2026 3:59:57 PM EST |
| 310.00 | 3.10 | 5.70 | 4.40 | 3.50 | -1.40 | -28.58% | 0.01 | 1 | 25 | 0.28 | -0.25 | 0.01 | -0.19 | 2/20/2026 | 2/20/2026 3:59:57 PM EST |
| 320.00 | 5.40 | 7.40 | 6.40 | 7.10 | -1.50 | -17.45% | 0.02 | 1 | 60 | 0.26 | -0.37 | 0.02 | -0.19 | 2/20/2026 | 2/20/2026 3:59:57 PM EST |
| 330.00 | 9.60 | 11.60 | 10.60 | 23.00 | 0.00 | 0.00% | 0.03 | 0 | 22 | 0.24 | -0.55 | 0.02 | -0.18 | 2/9/2026 | 2/20/2026 3:59:57 PM EST |
| 340.00 | 16.10 | 18.20 | 17.15 | 19.90 | 0.00 | 0.00% | 0.05 | 0 | 23 | 0.24 | -0.72 | 0.02 | -0.14 | 2/19/2026 | 2/20/2026 3:59:57 PM EST |
| 350.00 | 24.30 | 26.80 | 25.55 | 28.18 | 0.00 | 0.00% | 0.07 | 0 | 13 | 0.31 | -0.85 | 0.01 | -0.10 | 2/19/2026 | 2/20/2026 3:59:57 PM EST |
| 360.00 | 33.30 | 36.00 | 34.65 | 14.02 | 0.00 | 0.00% | 0.10 | 0 | 1 | 0.35 | -0.91 | 0.01 | -0.07 | 2/4/2026 | 2/20/2026 3:59:57 PM EST |
| 370.00 | 43.10 | 45.80 | 44.45 | % | 0.12 | 0 | 0 | 0.40 | -0.96 | 0.00 | -0.04 | 2/20/2026 3:59:57 PM EST | |||
| 380.00 | 52.70 | 55.80 | 54.25 | 54.90 | 0.00 | 0.00% | 0.14 | 0 | 0 | 0.42 | -0.99 | 0.00 | -0.02 | 2/17/2026 | 2/20/2026 3:59:57 PM EST |
| 390.00 | 62.70 | 65.80 | 64.25 | % | 0.16 | 0 | 0 | 0.47 | -1.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 400.00 | 72.70 | 76.90 | 74.80 | 48.80 | 0.00 | 0.00% | 0.19 | 0 | 0 | 0.56 | -1.00 | 0.00 | 0.00 | 2/5/2026 | 2/20/2026 3:59:57 PM EST |
| 410.00 | 82.70 | 86.90 | 84.80 | % | 0.21 | 0 | 0 | 0.61 | -1.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 420.00 | 92.70 | 97.00 | 94.85 | % | 0.23 | 0 | 0 | 0.67 | -1.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 430.00 | 102.70 | 107.00 | 104.85 | % | 0.24 | 0 | 0 | 0.71 | -1.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 440.00 | 112.70 | 117.00 | 114.85 | % | 0.26 | 0 | 0 | 0.75 | -1.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 450.00 | 122.70 | 126.90 | 124.80 | % | 0.28 | 0 | 0 | 0.78 | -1.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 460.00 | 132.70 | 136.90 | 134.80 | 143.30 | 0.00 | 0.00% | 0.29 | 0 | 0 | 0.83 | -1.00 | 0.00 | 0.00 | 2/13/2026 | 2/20/2026 3:59:57 PM EST |
| 470.00 | 142.70 | 147.00 | 144.85 | % | 0.31 | 0 | 0 | 0.87 | -1.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 480.00 | 152.70 | 156.90 | 154.80 | % | 0.32 | 0 | 0 | 0.91 | -1.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 490.00 | 162.70 | 167.00 | 164.85 | % | 0.34 | 0 | 0 | 0.95 | -1.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST | |||
| 500.00 | 172.70 | 176.90 | 174.80 | % | 0.35 | 0 | 0 | 0.98 | -1.00 | 0.00 | 0.00 | 2/20/2026 3:59:57 PM EST |