Options Chain for AON PLC SHS CL A (AON) - $326.07 as of 10/30/2025 2:28:34 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
185.00 141.30 146.00 143.65 % 0.78 0 0 1.46 1.00 0.00 0.00 10/30/2025 4:00:03 PM EST
190.00 136.30 141.00 138.65 % 0.73 0 0 1.40 1.00 0.00 0.00 10/30/2025 4:00:03 PM EST
195.00 131.40 136.00 133.70 % 0.69 0 0 1.34 1.00 0.00 0.00 10/30/2025 4:00:03 PM EST
200.00 126.30 131.00 128.65 % 0.64 0 0 1.30 1.00 0.00 0.00 10/30/2025 4:00:03 PM EST
210.00 116.50 121.00 118.75 % 0.57 0 0 1.20 1.00 0.00 0.00 10/30/2025 4:00:03 PM EST
220.00 106.50 111.00 108.75 % 0.49 0 0 1.08 1.00 0.00 0.00 10/30/2025 4:00:03 PM EST
230.00 96.60 101.00 98.80 % 0.43 0 0 1.00 1.00 0.00 0.00 10/30/2025 4:00:03 PM EST
240.00 86.70 91.00 88.85 % 0.37 0 0 0.92 1.00 0.00 0.00 10/30/2025 4:00:03 PM EST
250.00 76.80 80.50 78.65 % 0.31 0 0 0.82 0.99 0.00 -0.01 10/30/2025 4:00:03 PM EST
260.00 67.00 70.80 68.90 % 0.27 0 0 0.75 0.98 0.00 -0.04 10/30/2025 4:00:03 PM EST
270.00 57.30 61.00 59.15 % 0.22 0 0 0.68 0.97 0.00 -0.06 10/30/2025 4:00:03 PM EST
280.00 47.70 51.50 49.60 % 0.18 0 0 0.65 0.92 0.00 -0.10 10/30/2025 4:00:03 PM EST
290.00 38.40 42.20 40.30 % 0.14 0 0 0.58 0.89 0.01 -0.12 10/30/2025 4:00:03 PM EST
300.00 29.50 33.10 31.30 43.60 0.00 0.00% 0.10 0 1 0.43 0.83 0.01 -0.16 10/22/2025 10/30/2025 4:00:03 PM EST
310.00 21.60 23.80 22.70 % 0.07 0 0 0.38 0.74 0.01 -0.20 10/30/2025 4:00:03 PM EST
320.00 14.40 16.80 15.60 15.40 0.00 0.00% 0.05 0 1 0.36 0.62 0.01 -0.23 10/29/2025 10/30/2025 4:00:03 PM EST
330.00 9.00 11.50 10.25 10.29 % 0.03 340 1 0.36 0.48 0.01 -0.24 10/30/2025 10/30/2025 4:00:03 PM EST
340.00 5.00 7.40 6.20 6.42 +1.14 +21.60% 0.02 92 33 0.35 0.34 0.01 -0.22 10/30/2025 10/30/2025 4:00:03 PM EST
350.00 2.40 4.70 3.55 3.62 +1.16 +47.16% 0.01 1,302 471 0.34 0.23 0.01 -0.18 10/30/2025 10/30/2025 4:00:03 PM EST
360.00 1.25 2.80 2.03 2.02 +0.52 +34.67% 0.01 3,156 108 0.35 0.14 0.01 -0.14 10/30/2025 10/30/2025 4:00:03 PM EST
370.00 0.85 1.95 1.40 1.20 +0.27 +29.04% 0.00 2,189 2,468 0.37 0.09 0.01 -0.11 10/30/2025 10/30/2025 4:00:03 PM EST
380.00 0.55 1.05 0.80 0.64 -0.51 -44.35% 0.00 1,280 156 0.38 0.06 0.00 -0.08 10/30/2025 10/30/2025 4:00:03 PM EST
390.00 0.00 1.00 0.50 0.70 -0.15 -17.65% 0.00 1,580 1,617 0.45 0.03 0.00 -0.05 10/30/2025 10/30/2025 4:00:03 PM EST
400.00 0.00 4.80 2.40 0.20 0.00 0.00% 0.01 0 54 0.59 0.01 0.00 -0.02 10/28/2025 10/30/2025 4:00:03 PM EST
410.00 0.10 4.80 2.45 0.17 0.00 0.00% 0.01 0 19 0.52 0.01 0.00 -0.02 10/27/2025 10/30/2025 4:00:03 PM EST
420.00 0.00 4.80 2.40 1.21 0.00 0.00% 0.01 0 4 0.70 0.00 0.00 -0.01 10/14/2025 10/30/2025 4:00:03 PM EST
430.00 0.00 1.10 0.55 0.55 0.00 0.00% 0.00 0 7 0.65 0.00 0.00 0.00 9/11/2025 10/30/2025 4:00:03 PM EST
440.00 0.00 4.80 2.40 0.22 0.00 0.00% 0.01 0 1 0.79 0.00 0.00 0.00 10/7/2025 10/30/2025 4:00:03 PM EST
450.00 0.00 3.50 1.75 % 0.00 0 0 0.84 0.00 0.00 0.00 10/30/2025 4:00:03 PM EST
460.00 0.00 4.80 2.40 % 0.01 0 0 0.88 0.00 0.00 0.00 10/30/2025 4:00:03 PM EST
470.00 0.00 4.80 2.40 % 0.01 0 0 0.92 0.00 0.00 0.00 10/30/2025 4:00:03 PM EST
480.00 0.00 4.80 2.40 % 0.01 0 0 0.97 0.00 0.00 0.00 10/30/2025 4:00:03 PM EST
490.00 0.00 4.80 2.40 % 0.00 0 0 1.00 0.00 0.00 0.00 10/30/2025 4:00:03 PM EST
500.00 0.00 4.80 2.40 % 0.00 0 0 1.04 0.00 0.00 0.00 10/30/2025 4:00:03 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 2.20 1.10 % 0.01 0 0 1.49 0.00 0.00 0.00 10/30/2025 4:00:03 PM EST
190.00 0.00 2.20 1.10 % 0.01 0 0 1.43 0.00 0.00 0.00 10/30/2025 4:00:03 PM EST
195.00 0.00 2.40 1.20 % 0.01 0 0 1.37 0.00 0.00 0.00 10/30/2025 4:00:03 PM EST
200.00 0.00 2.45 1.23 % 0.01 0 0 1.32 0.00 0.00 0.00 10/30/2025 4:00:03 PM EST
210.00 0.00 3.60 1.80 0.15 0.00 0.00% 0.01 0 1 1.22 0.00 0.00 0.00 10/28/2025 10/30/2025 4:00:03 PM EST
220.00 0.00 2.50 1.25 0.25 0.00 0.00% 0.01 0 1 1.12 0.00 0.00 0.00 10/28/2025 10/30/2025 4:00:03 PM EST
230.00 0.00 4.80 2.40 % 0.01 0 0 1.02 0.00 0.00 0.00 10/30/2025 4:00:03 PM EST
240.00 0.00 2.60 1.30 % 0.01 0 0 0.93 0.00 0.00 0.00 10/30/2025 4:00:03 PM EST
250.00 0.00 2.65 1.33 % 0.01 0 0 0.85 -0.01 0.00 -0.01 10/30/2025 4:00:03 PM EST
260.00 0.00 0.80 0.40 0.56 % 0.00 1 0 0.57 -0.02 0.00 -0.04 10/30/2025 10/30/2025 4:00:03 PM EST
270.00 0.00 2.15 1.08 0.60 0.00 0.00% 0.00 2 1 0.62 -0.03 0.00 -0.06 10/30/2025 10/30/2025 4:00:03 PM EST
280.00 0.25 1.95 1.10 1.30 +0.30 +30.00% 0.00 2 3 0.42 -0.08 0.00 -0.10 10/30/2025 10/30/2025 4:00:03 PM EST
290.00 1.85 2.85 2.35 1.92 +0.51 +36.17% 0.01 12 8 0.45 -0.11 0.01 -0.12 10/30/2025 10/30/2025 4:00:03 PM EST
300.00 3.00 3.20 3.10 3.10 +0.45 +16.99% 0.01 305 106 0.40 -0.17 0.01 -0.16 10/30/2025 10/30/2025 4:00:03 PM EST
310.00 4.70 7.50 6.10 4.70 +0.30 +6.82% 0.02 8 18 0.42 -0.26 0.01 -0.20 10/30/2025 10/30/2025 4:00:03 PM EST
320.00 7.60 8.70 8.15 8.35 +1.05 +14.39% 0.03 33 112 0.36 -0.38 0.01 -0.23 10/30/2025 10/30/2025 4:00:03 PM EST
330.00 11.80 13.30 12.55 12.00 +2.77 +30.02% 0.04 23 32 0.35 -0.52 0.01 -0.24 10/30/2025 10/30/2025 4:00:03 PM EST
340.00 17.70 20.50 19.10 17.00 0.00 0.00% 0.06 1 45 0.34 -0.66 0.01 -0.22 10/30/2025 10/30/2025 4:00:03 PM EST
350.00 23.70 27.40 25.55 24.68 -1.22 -4.71% 0.07 3 39 0.32 -0.77 0.01 -0.18 10/30/2025 10/30/2025 4:00:03 PM EST
360.00 32.00 35.90 33.95 20.35 0.00 0.00% 0.09 0 23 0.43 -0.86 0.01 -0.14 10/21/2025 10/30/2025 4:00:03 PM EST
370.00 41.70 44.90 43.30 28.20 0.00 0.00% 0.12 0 20 0.46 -0.91 0.01 -0.11 10/21/2025 10/30/2025 4:00:03 PM EST
380.00 50.60 54.60 52.60 28.48 0.00 0.00% 0.14 0 8 0.51 -0.94 0.00 -0.08 9/23/2025 10/30/2025 4:00:03 PM EST
390.00 60.60 64.40 62.50 24.00 0.00 0.00% 0.16 0 4 0.59 -0.97 0.00 -0.05 8/25/2025 10/30/2025 4:00:03 PM EST
400.00 70.50 74.40 72.45 42.90 0.00 0.00% 0.18 0 2 0.65 -0.99 0.00 -0.02 9/16/2025 10/30/2025 4:00:03 PM EST
410.00 80.50 84.50 82.50 38.45 0.00 0.00% 0.20 0 0 0.67 -0.99 0.00 -0.02 8/25/2025 10/30/2025 4:00:03 PM EST
420.00 90.50 94.50 92.50 % 0.22 0 0 0.75 -1.00 0.00 -0.01 10/30/2025 4:00:03 PM EST
430.00 100.40 104.50 102.45 % 0.24 0 0 0.81 -1.00 0.00 0.00 10/30/2025 4:00:03 PM EST
440.00 110.40 114.50 112.45 % 0.26 0 0 0.86 -1.00 0.00 0.00 10/30/2025 4:00:03 PM EST
450.00 120.40 124.50 122.45 % 0.27 0 0 0.90 -1.00 0.00 0.00 10/30/2025 4:00:03 PM EST
460.00 130.40 134.50 132.45 % 0.29 0 0 0.94 -1.00 0.00 0.00 10/30/2025 4:00:03 PM EST
470.00 140.40 144.50 142.45 % 0.30 0 0 0.98 -1.00 0.00 0.00 10/30/2025 4:00:03 PM EST
480.00 150.30 154.50 152.40 % 0.32 0 0 1.03 -1.00 0.00 0.00 10/30/2025 4:00:03 PM EST
490.00 160.20 164.50 162.35 % 0.33 0 0 1.06 -1.00 0.00 0.00 10/30/2025 4:00:03 PM EST
500.00 170.40 174.50 172.45 % 0.34 0 0 1.11 -1.00 0.00 0.00 10/30/2025 4:00:03 PM EST