Arthur J Gallagher Co (AJG) — Price History
As of 2026-08-07 — refreshed nightly from the Closelook data lake. Diary readings, not advice.
Daily prices
| Date | Open | High | Low | Close | Chg % | Volume |
|---|---|---|---|---|---|---|
| 2026-08-07 | 247.96 | 252.04 | 246.29 | 248.12 | -1.44% | 1,128,700 |
| 2026-08-06 | 252.78 | 253.78 | 247.52 | 251.74 | +0.28% | 1,287,600 |
| 2026-08-05 | 249.83 | 252.29 | 247.57 | 251.03 | +1.20% | 956,400 |
| 2026-08-04 | 242.84 | 248.83 | 240.82 | 248.06 | +0.11% | 1,419,500 |
| 2026-08-03 | 251.21 | 255.98 | 246.22 | 247.79 | -0.65% | 1,581,800 |
| 2026-07-31 | 245.93 | 255.73 | 242.28 | 249.42 | -2.75% | 1,736,300 |
| 2026-07-30 | 269.99 | 269.99 | 253.54 | 256.46 | -4.63% | 1,926,400 |
| 2026-07-29 | 261.59 | 269.80 | 259.34 | 268.91 | +1.36% | 1,573,600 |
| 2026-07-28 | 255.00 | 265.38 | 254.15 | 265.31 | +4.72% | 1,533,700 |
| 2026-07-27 | 249.42 | 255.40 | 248.14 | 253.36 | +2.26% | 1,110,000 |
| 2026-07-24 | 242.93 | 248.44 | 241.12 | 247.77 | +2.30% | 1,259,400 |
| 2026-07-23 | 242.45 | 243.85 | 240.98 | 242.21 | -0.12% | 1,345,100 |
| 2026-07-22 | 248.04 | 248.04 | 241.14 | 242.50 | -2.30% | 974,000 |
| 2026-07-21 | 251.97 | 255.50 | 247.15 | 248.22 | -2.14% | 1,046,900 |
| 2026-07-20 | 250.93 | 254.76 | 249.78 | 253.66 | -0.09% | 976,100 |
| 2026-07-17 | 257.61 | 261.92 | 252.30 | 253.90 | -0.79% | 1,530,700 |
| 2026-07-16 | 250.62 | 256.14 | 250.00 | 255.93 | +3.29% | 1,443,500 |
| 2026-07-15 | 255.61 | 255.61 | 246.35 | 247.77 | -2.39% | 1,851,800 |
| 2026-07-14 | 257.23 | 260.19 | 253.82 | 253.83 | -2.83% | 1,369,100 |
| 2026-07-13 | 255.97 | 261.27 | 255.97 | 261.23 | +3.22% | 1,337,200 |
| 2026-07-10 | 254.90 | 255.50 | 250.94 | 253.09 | -0.26% | 1,033,000 |
| 2026-07-09 | 254.15 | 255.22 | 251.72 | 253.76 | -1.11% | 1,473,400 |
| 2026-07-08 | 253.38 | 256.87 | 251.85 | 256.61 | +0.76% | 1,942,500 |
| 2026-07-07 | 254.00 | 256.63 | 252.00 | 254.67 | +1.96% | 1,887,178 |
| 2026-07-06 | 251.36 | 251.79 | 247.88 | 249.77 | -1.06% | 1,868,654 |
| 2026-07-02 | 240.96 | 252.96 | 240.31 | 252.44 | +5.33% | 2,741,400 |
| 2026-07-01 | 230.81 | 244.08 | 229.63 | 239.67 | +4.40% | 3,061,500 |
| 2026-06-30 | 226.85 | 230.58 | 224.49 | 229.57 | +1.08% | 1,651,700 |
| 2026-06-29 | 226.44 | 227.19 | 223.26 | 227.12 | +0.49% | 1,542,600 |
| 2026-06-26 | 220.58 | 226.56 | 219.67 | 226.01 | +3.74% | 2,225,600 |
| 2026-06-25 | 219.79 | 222.98 | 217.81 | 217.86 | -1.31% | 1,406,100 |
| 2026-06-24 | 217.63 | 221.98 | 215.13 | 220.76 | +2.31% | 3,195,800 |
| 2026-06-23 | 213.68 | 217.87 | 211.99 | 215.78 | +3.20% | 2,312,700 |
| 2026-06-22 | 213.92 | 216.12 | 208.08 | 209.08 | -2.33% | 2,128,800 |
| 2026-06-18 | 216.17 | 216.18 | 211.29 | 214.06 | -0.94% | 2,848,400 |
| 2026-06-17 | 216.50 | 224.99 | 215.62 | 216.09 | +0.09% | 1,614,600 |
| 2026-06-16 | 217.08 | 217.87 | 214.20 | 215.90 | +0.07% | 1,372,700 |
| 2026-06-15 | 217.38 | 218.75 | 214.49 | 215.74 | -1.35% | 1,544,700 |
| 2026-06-12 | 220.79 | 222.40 | 217.22 | 218.69 | -1.00% | 1,790,800 |
| 2026-06-11 | 221.83 | 223.66 | 220.58 | 220.90 | +0.35% | 2,479,300 |
| 2026-06-10 | 219.19 | 225.34 | 215.89 | 220.14 | +1.42% | 2,026,700 |
| 2026-06-09 | 214.55 | 219.52 | 212.56 | 217.05 | +2.13% | 1,950,600 |
| 2026-06-08 | 213.48 | 215.59 | 211.50 | 212.52 | -1.67% | 1,902,100 |
| 2026-06-05 | 212.28 | 216.73 | 212.09 | 216.14 | +2.44% | 1,462,900 |
| 2026-06-04 | 207.45 | 212.52 | 206.42 | 211.00 | +4.20% | 1,694,100 |
| 2026-06-03 | 203.83 | 204.73 | 199.69 | 202.50 | -1.59% | 1,999,500 |
| 2026-06-02 | 204.29 | 207.14 | 200.70 | 205.77 | -0.16% | 1,504,400 |
| 2026-06-01 | 200.57 | 206.25 | 200.00 | 206.10 | +2.48% | 1,416,000 |
| 2026-05-29 | 201.88 | 203.73 | 200.30 | 201.11 | -0.76% | 1,788,100 |
| 2026-05-28 | 202.90 | 206.20 | 200.04 | 202.65 | -0.10% | 1,139,900 |
| 2026-05-27 | 205.06 | 208.99 | 202.00 | 202.85 | -0.54% | 1,596,900 |
| 2026-05-26 | 202.96 | 206.01 | 202.10 | 203.96 | -0.39% | 2,265,800 |
| 2026-05-22 | 206.50 | 207.41 | 203.12 | 204.75 | -1.28% | 1,240,300 |
| 2026-05-21 | 201.95 | 207.95 | 200.00 | 207.41 | +1.87% | 1,351,700 |
| 2026-05-20 | 203.35 | 204.98 | 199.67 | 203.61 | +0.08% | 1,470,500 |
| 2026-05-19 | 209.24 | 210.24 | 203.41 | 203.45 | -1.79% | 1,961,800 |
| 2026-05-18 | 199.88 | 208.15 | 198.88 | 207.15 | +3.60% | 1,614,000 |
| 2026-05-15 | 199.72 | 200.67 | 196.32 | 199.95 | +1.15% | 2,388,400 |
| 2026-05-14 | 195.18 | 198.74 | 193.49 | 197.68 | +2.96% | 3,020,100 |
| 2026-05-13 | 194.78 | 197.22 | 190.75 | 192.00 | -2.74% | 2,543,300 |
| 2026-05-12 | 199.40 | 202.91 | 195.81 | 197.40 | -0.59% | 2,051,200 |
| 2026-05-11 | 197.95 | 200.34 | 195.14 | 198.57 | -0.15% | 1,809,600 |
| 2026-05-08 | 200.89 | 201.19 | 196.65 | 198.87 | -1.52% | 1,596,700 |
| 2026-05-07 | 194.27 | 203.13 | 194.15 | 201.94 | +2.55% | 3,218,100 |
| 2026-05-06 | 207.40 | 209.08 | 196.80 | 196.91 | -4.32% | 2,243,900 |
| 2026-05-05 | 206.29 | 207.69 | 204.72 | 205.80 | -0.59% | 1,290,900 |
| 2026-05-04 | 207.89 | 211.08 | 205.64 | 207.03 | -0.52% | 1,213,500 |
| 2026-05-01 | 217.00 | 218.88 | 206.57 | 208.11 | +0.83% | 2,392,400 |
| 2026-04-30 | 210.31 | 210.31 | 202.21 | 206.40 | -2.55% | 3,093,700 |
| 2026-04-29 | 212.88 | 214.40 | 210.34 | 211.81 | -0.75% | 1,288,200 |
| 2026-04-28 | 215.85 | 217.00 | 209.78 | 213.42 | -0.76% | 1,367,600 |
| 2026-04-27 | 213.13 | 216.89 | 211.56 | 215.06 | -0.15% | 1,343,500 |
| 2026-04-24 | 216.94 | 218.79 | 213.98 | 215.38 | -1.82% | 1,228,500 |
| 2026-04-23 | 220.79 | 221.28 | 217.58 | 219.37 | -0.79% | 995,300 |
| 2026-04-22 | 223.34 | 223.34 | 218.51 | 221.11 | -1.49% | 1,309,400 |
| 2026-04-21 | 223.60 | 226.00 | 222.29 | 224.46 | +0.62% | 1,550,500 |
| 2026-04-20 | 221.60 | 223.57 | 220.77 | 223.07 | +0.66% | 1,307,900 |
| 2026-04-17 | 224.00 | 225.24 | 220.72 | 221.61 | -1.10% | 1,851,000 |
| 2026-04-16 | 224.14 | 225.69 | 222.81 | 224.08 | +0.41% | 1,574,500 |
| 2026-04-15 | 220.53 | 224.46 | 219.05 | 223.17 | +1.48% | 1,221,300 |
| 2026-04-14 | 221.23 | 223.39 | 219.60 | 219.91 | -1.16% | 1,178,300 |
| 2026-04-13 | 214.28 | 223.53 | 213.65 | 222.50 | +4.19% | 2,301,800 |
| 2026-04-10 | 217.00 | 218.65 | 206.21 | 213.55 | -2.22% | 5,172,700 |
| 2026-04-09 | 219.06 | 221.95 | 217.04 | 218.39 | -1.09% | 1,637,900 |
| 2026-04-08 | 219.75 | 222.52 | 218.25 | 220.80 | +1.48% | 1,709,200 |
| 2026-04-07 | 219.00 | 221.08 | 217.12 | 217.57 | -0.78% | 1,850,400 |
| 2026-04-06 | 217.16 | 221.10 | 216.86 | 219.27 | +0.76% | 1,437,100 |
| 2026-04-02 | 216.41 | 221.34 | 215.13 | 217.61 | +0.59% | 1,730,500 |
| 2026-04-01 | 217.78 | 219.77 | 215.47 | 216.34 | -0.11% | 1,864,000 |
| 2026-03-31 | 216.82 | 219.15 | 214.20 | 216.58 | +0.29% | 2,938,600 |
| 2026-03-30 | 208.01 | 217.25 | 206.50 | 215.95 | +4.27% | 2,000,900 |
| 2026-03-27 | 210.07 | 213.17 | 205.90 | 207.10 | -1.51% | 2,103,700 |
| 2026-03-26 | 214.03 | 217.21 | 209.60 | 210.27 | -1.54% | 1,939,300 |
| 2026-03-25 | 217.29 | 218.83 | 211.71 | 213.56 | -1.26% | 1,592,700 |
| 2026-03-24 | 218.27 | 218.34 | 214.89 | 216.28 | -0.21% | 2,508,300 |
| 2026-03-23 | 217.37 | 218.54 | 215.08 | 216.74 | +0.89% | 2,136,000 |
| 2026-03-20 | 210.39 | 215.86 | 210.21 | 214.82 | +2.45% | 3,845,300 |
| 2026-03-19 | 210.13 | 212.82 | 207.83 | 209.68 | +0.10% | 2,049,900 |
| 2026-03-18 | 208.26 | 210.78 | 204.58 | 209.48 | +0.15% | 1,671,800 |
| 2026-03-17 | 213.97 | 216.15 | 206.80 | 209.16 | -1.27% | 2,195,100 |
| 2026-03-16 | 209.97 | 212.79 | 208.00 | 211.85 | +1.89% | 1,516,500 |
| 2026-03-13 | 207.27 | 208.97 | 203.21 | 207.93 | +1.82% | 2,477,800 |
| 2026-03-12 | 208.85 | 211.87 | 203.41 | 204.21 | -2.68% | 3,725,000 |
| 2026-03-11 | 215.00 | 215.34 | 209.55 | 209.84 | -0.89% | 1,922,900 |
| 2026-03-10 | 216.99 | 217.52 | 210.30 | 211.72 | -2.78% | 1,880,400 |
| 2026-03-09 | 226.90 | 226.90 | 215.28 | 217.78 | -4.54% | 1,977,700 |
| 2026-03-06 | 228.29 | 229.65 | 224.77 | 228.13 | -0.66% | 2,191,800 |
| 2026-03-05 | 224.46 | 231.10 | 223.95 | 229.65 | +1.80% | 2,057,200 |
| 2026-03-04 | 224.55 | 228.64 | 223.31 | 225.58 | +0.16% | 3,109,600 |
| 2026-03-03 | 228.05 | 230.75 | 221.48 | 225.23 | -1.76% | 2,289,400 |
| 2026-03-02 | 227.58 | 231.02 | 225.69 | 229.27 | +0.47% | 1,942,000 |
| 2026-02-27 | 228.41 | 228.81 | 223.51 | 228.20 | +1.32% | 2,959,700 |
| 2026-02-26 | 219.61 | 225.89 | 218.69 | 225.22 | +3.25% | 2,313,200 |
| 2026-02-25 | 216.70 | 218.31 | 213.58 | 218.13 | +1.00% | 2,263,200 |
| 2026-02-24 | 213.45 | 216.23 | 209.44 | 215.98 | +0.77% | 2,985,000 |
| 2026-02-23 | 214.55 | 218.34 | 213.01 | 214.33 | -1.01% | 2,375,100 |
| 2026-02-20 | 220.17 | 221.00 | 214.51 | 216.51 | -0.85% | 2,064,000 |
| 2026-02-19 | 213.80 | 218.67 | 213.05 | 218.37 | +1.81% | 2,708,900 |
| 2026-02-18 | 213.66 | 215.23 | 210.32 | 214.49 | +0.23% | 2,387,700 |
| 2026-02-17 | 212.26 | 216.04 | 206.93 | 214.00 | +2.66% | 4,648,200 |
| 2026-02-13 | 206.14 | 212.05 | 202.08 | 208.45 | +1.79% | 4,973,200 |
| 2026-02-12 | 205.18 | 207.87 | 195.00 | 204.79 | -0.25% | 6,242,600 |
| 2026-02-11 | 211.73 | 212.99 | 204.03 | 205.31 | -3.42% | 4,421,900 |
| 2026-02-10 | 220.50 | 224.61 | 210.01 | 212.58 | -2.39% | 5,002,300 |
| 2026-02-09 | 240.12 | 242.00 | 217.37 | 217.79 | -9.85% | 3,456,400 |
| 2026-02-06 | 244.26 | 245.21 | 239.33 | 241.58 | -0.48% | 1,387,400 |
| 2026-02-05 | 252.18 | 253.22 | 242.46 | 242.75 | -2.72% | 1,647,400 |
| 2026-02-04 | 247.47 | 254.48 | 245.73 | 249.55 | +0.73% | 3,285,900 |
| 2026-02-03 | 245.00 | 250.19 | 241.86 | 247.73 | +1.00% | 2,189,600 |
| 2026-02-02 | 250.42 | 255.18 | 244.34 | 245.27 | -1.64% | 1,890,300 |
| 2026-01-30 | 248.73 | 256.60 | 247.79 | 249.37 | +1.44% | 2,537,700 |
| 2026-01-29 | 244.42 | 248.46 | 241.71 | 245.84 | +1.43% | 2,250,600 |
| 2026-01-28 | 242.50 | 246.20 | 240.80 | 242.37 | +0.02% | 1,728,200 |
| 2026-01-27 | 250.06 | 250.38 | 236.53 | 242.33 | -5.12% | 3,488,100 |
| 2026-01-26 | 253.70 | 255.95 | 252.07 | 255.41 | +0.87% | 1,592,800 |
| 2026-01-23 | 248.58 | 253.72 | 248.58 | 253.21 | +1.13% | 1,504,800 |
| 2026-01-22 | 249.19 | 252.11 | 247.10 | 250.38 | +0.12% | 2,703,800 |
| 2026-01-21 | 255.73 | 257.67 | 244.98 | 250.08 | -1.88% | 2,710,500 |
| 2026-01-20 | 255.60 | 257.61 | 254.21 | 254.88 | -1.41% | 2,115,500 |
| 2026-01-16 | 255.23 | 258.59 | 253.39 | 258.52 | +0.93% | 2,126,400 |
| 2026-01-15 | 256.19 | 258.27 | 255.07 | 256.15 | -0.32% | 2,452,100 |
| 2026-01-14 | 256.79 | 260.29 | 255.83 | 256.98 | -0.01% | 2,608,000 |
| 2026-01-13 | 263.90 | 264.69 | 255.30 | 257.00 | -2.96% | 2,950,900 |
| 2026-01-12 | 265.13 | 266.87 | 262.40 | 264.84 | +0.09% | 1,815,100 |
| 2026-01-09 | 264.40 | 266.67 | 263.62 | 264.59 | +0.02% | 1,012,200 |
| 2026-01-08 | 259.43 | 266.61 | 258.00 | 264.54 | +2.14% | 1,408,000 |
| 2026-01-07 | 259.25 | 260.94 | 254.11 | 259.00 | -1.43% | 1,928,300 |
| 2026-01-06 | 262.17 | 264.64 | 259.42 | 262.77 | -0.18% | 1,347,700 |
| 2026-01-05 | 254.78 | 265.75 | 253.19 | 263.24 | +2.83% | 1,543,500 |
| 2026-01-02 | 257.11 | 258.57 | 254.34 | 256.00 | -1.08% | 1,252,700 |
| 2025-12-31 | 261.03 | 261.54 | 258.73 | 258.79 | -1.16% | 1,018,400 |
| 2025-12-30 | 263.04 | 263.79 | 261.75 | 261.83 | -0.50% | 1,017,100 |
| 2025-12-29 | 261.54 | 263.69 | 261.50 | 263.14 | +0.63% | 1,367,500 |
| 2025-12-26 | 260.76 | 261.91 | 259.32 | 261.48 | +0.27% | 844,600 |
| 2025-12-24 | 257.96 | 261.80 | 257.96 | 260.77 | +0.80% | 545,100 |
| 2025-12-23 | 258.00 | 259.00 | 256.48 | 258.70 | +0.17% | 1,153,600 |
| 2025-12-22 | 251.96 | 259.00 | 251.37 | 258.25 | +1.92% | 1,590,300 |
| 2025-12-19 | 252.88 | 256.71 | 252.14 | 253.39 | +0.30% | 3,971,200 |
| 2025-12-18 | 249.75 | 253.77 | 249.13 | 252.64 | +0.69% | 1,262,900 |
| 2025-12-17 | 252.00 | 254.78 | 250.26 | 250.90 | -0.43% | 1,666,200 |
| 2025-12-16 | 256.19 | 256.74 | 249.27 | 251.98 | -1.64% | 2,062,400 |
| 2025-12-15 | 254.21 | 257.37 | 253.07 | 256.19 | +0.32% | 2,328,000 |
| 2025-12-12 | 249.05 | 256.18 | 248.90 | 255.38 | +3.13% | 2,238,600 |
| 2025-12-11 | 242.16 | 247.76 | 240.83 | 247.62 | +2.98% | 2,426,100 |
| 2025-12-10 | 239.48 | 240.45 | 236.34 | 240.45 | +0.23% | 1,745,100 |
| 2025-12-09 | 238.68 | 240.75 | 237.88 | 239.91 | +0.87% | 1,067,000 |
| 2025-12-08 | 238.77 | 239.79 | 236.70 | 237.85 | -0.78% | 1,358,000 |
| 2025-12-05 | 244.69 | 245.00 | 238.65 | 239.71 | -2.32% | 1,771,900 |
| 2025-12-04 | 245.77 | 246.89 | 243.87 | 245.41 | +0.02% | 1,281,700 |
| 2025-12-03 | 244.43 | 246.23 | 242.61 | 245.36 | +0.47% | 1,519,200 |
| 2025-12-02 | 245.88 | 246.74 | 243.37 | 244.22 | -0.76% | 1,691,900 |
| 2025-12-01 | 248.40 | 249.47 | 246.07 | 246.10 | -0.61% | 1,418,400 |
| 2025-11-28 | 247.74 | 249.99 | 246.60 | 247.62 | -0.36% | 756,600 |
| 2025-11-26 | 250.57 | 252.00 | 247.80 | 248.52 | -0.69% | 1,011,000 |
| 2025-11-25 | 249.80 | 251.59 | 247.70 | 250.24 | +0.82% | 966,400 |
| 2025-11-24 | 251.26 | 252.44 | 244.72 | 248.21 | -1.27% | 2,094,700 |
| 2025-11-21 | 249.00 | 251.65 | 246.85 | 251.41 | +1.66% | 1,710,200 |
| 2025-11-20 | 245.74 | 250.43 | 245.69 | 247.30 | -0.57% | 1,571,200 |
| 2025-11-19 | 258.50 | 259.61 | 247.64 | 248.72 | -3.84% | 2,191,200 |
| 2025-11-18 | 259.54 | 261.56 | 256.00 | 258.64 | -0.26% | 1,814,900 |
| 2025-11-17 | 259.41 | 261.63 | 257.90 | 259.31 | +0.31% | 2,174,900 |
| 2025-11-14 | 258.22 | 262.59 | 254.57 | 258.51 | +0.70% | 1,828,600 |
| 2025-11-13 | 255.29 | 259.45 | 254.46 | 256.71 | +0.33% | 2,174,300 |
| 2025-11-12 | 254.40 | 256.53 | 253.17 | 255.86 | +0.34% | 1,256,800 |
| 2025-11-11 | 251.30 | 255.15 | 250.49 | 255.00 | +1.57% | 1,338,500 |
| 2025-11-10 | 248.88 | 251.74 | 247.03 | 251.06 | +0.42% | 1,463,100 |
| 2025-11-07 | 245.67 | 250.89 | 244.66 | 250.01 | +1.95% | 1,746,600 |
| 2025-11-06 | 246.90 | 249.95 | 244.28 | 245.24 | -1.13% | 1,456,700 |
| 2025-11-05 | 250.89 | 253.00 | 248.04 | 248.05 | -1.45% | 1,673,100 |
| 2025-11-04 | 244.50 | 252.11 | 242.70 | 251.70 | +3.59% | 2,473,800 |
| 2025-11-03 | 249.49 | 249.49 | 239.47 | 242.98 | -2.61% | 2,586,700 |
| 2025-10-31 | 242.75 | 254.43 | 242.75 | 249.49 | -4.79% | 5,066,700 |
| 2025-10-30 | 264.50 | 265.83 | 261.29 | 262.03 | +0.00% | 2,712,700 |
| 2025-10-29 | 265.62 | 268.85 | 261.04 | 262.02 | -2.05% | 3,165,300 |
| 2025-10-28 | 277.24 | 279.00 | 266.71 | 267.50 | -4.12% | 2,838,800 |
| 2025-10-27 | 280.56 | 281.66 | 278.10 | 279.00 | -0.62% | 930,300 |
| 2025-10-24 | 282.50 | 284.17 | 280.29 | 280.73 | -0.62% | 1,437,200 |
| 2025-10-23 | 283.03 | 284.33 | 280.41 | 282.49 | -0.19% | 1,086,900 |
| 2025-10-22 | 279.52 | 284.06 | 277.92 | 283.04 | +1.44% | 1,405,900 |
| 2025-10-21 | 278.80 | 280.60 | 277.22 | 279.01 | -0.09% | 1,424,100 |
| 2025-10-20 | 280.22 | 280.82 | 275.73 | 279.26 | -0.43% | 1,171,200 |
| 2025-10-17 | 280.62 | 284.30 | 277.95 | 280.47 | +0.11% | 1,415,300 |
| 2025-10-16 | 287.27 | 288.33 | 276.50 | 280.17 | -5.40% | 2,379,700 |
| 2025-10-15 | 301.73 | 304.57 | 295.36 | 296.16 | -2.49% | 2,451,600 |
| 2025-10-14 | 298.45 | 303.98 | 296.87 | 303.73 | +1.92% | 1,234,600 |
| 2025-10-13 | 299.05 | 301.71 | 295.78 | 298.00 | -1.24% | 1,176,100 |
| 2025-10-10 | 304.30 | 305.74 | 300.66 | 301.74 | -0.17% | 1,184,600 |
| 2025-10-09 | 307.11 | 307.11 | 301.29 | 302.25 | -1.53% | 761,600 |
| 2025-10-08 | 310.35 | 310.35 | 306.84 | 306.94 | -0.93% | 636,900 |
| 2025-10-07 | 310.39 | 313.09 | 308.18 | 309.81 | +0.21% | 863,800 |
| 2025-10-06 | 310.50 | 311.67 | 307.68 | 309.15 | -0.43% | 1,053,600 |
| 2025-10-03 | 307.78 | 313.55 | 307.58 | 310.48 | +0.59% | 767,200 |
| 2025-10-02 | 303.07 | 308.72 | 302.00 | 308.67 | +0.93% | 1,004,300 |
| 2025-10-01 | 307.87 | 309.50 | 303.35 | 305.84 | -1.26% | 1,864,200 |
| 2025-09-30 | 305.00 | 310.49 | 304.46 | 309.74 | +1.32% | 1,671,300 |
| 2025-09-29 | 303.15 | 305.86 | 301.10 | 305.71 | +0.51% | 1,355,600 |
| 2025-09-26 | 304.92 | 308.80 | 303.18 | 304.15 | +0.35% | 877,100 |
| 2025-09-25 | 305.06 | 306.89 | 300.82 | 303.08 | -0.48% | 1,366,900 |
| 2025-09-24 | 302.48 | 305.69 | 300.84 | 304.55 | +0.06% | 1,125,500 |
| 2025-09-23 | 299.85 | 304.53 | 299.01 | 304.36 | +1.43% | 1,601,900 |
| 2025-09-22 | 299.11 | 300.52 | 296.49 | 300.06 | +0.14% | 1,446,900 |
| 2025-09-19 | 300.40 | 301.20 | 296.44 | 299.65 | +0.98% | 2,605,300 |
| 2025-09-18 | 293.00 | 297.02 | 291.31 | 296.74 | +1.39% | 1,405,700 |
| 2025-09-17 | 293.05 | 295.21 | 291.99 | 292.66 | +0.41% | 1,248,100 |
| 2025-09-16 | 287.81 | 292.75 | 285.80 | 291.46 | +0.71% | 1,175,600 |
| 2025-09-15 | 297.16 | 298.16 | 288.20 | 289.40 | -2.65% | 1,170,000 |
| 2025-09-12 | 299.01 | 300.81 | 297.22 | 297.28 | -1.11% | 1,302,100 |
| 2025-09-11 | 293.60 | 301.02 | 292.58 | 300.61 | +2.53% | 1,335,100 |
| 2025-09-10 | 297.34 | 298.32 | 292.83 | 293.18 | -1.78% | 1,854,700 |
| 2025-09-09 | 298.24 | 300.44 | 297.23 | 298.50 | -0.21% | 1,119,300 |
| 2025-09-08 | 298.31 | 300.00 | 295.14 | 299.12 | -0.02% | 1,153,100 |
| 2025-09-05 | 299.24 | 300.87 | 296.43 | 299.18 | -0.35% | 1,217,200 |
| 2025-09-04 | 304.96 | 305.48 | 300.08 | 300.22 | -1.15% | 1,282,400 |
| 2025-09-03 | 304.00 | 305.95 | 301.67 | 303.70 | +0.37% | 1,842,600 |
| 2025-09-02 | 303.17 | 303.25 | 299.14 | 302.57 | -0.06% | 1,673,400 |
| 2025-08-29 | 299.68 | 303.17 | 298.64 | 302.75 | +1.04% | 1,472,400 |
| 2025-08-28 | 297.88 | 299.93 | 296.62 | 299.62 | +0.30% | 769,100 |
| 2025-08-27 | 299.88 | 302.40 | 298.67 | 298.72 | -0.49% | 1,513,500 |
| 2025-08-26 | 298.06 | 300.27 | 295.74 | 300.20 | +0.53% | 2,312,400 |
| 2025-08-25 | 302.00 | 303.09 | 298.62 | 298.62 | -1.50% | 1,020,600 |
| 2025-08-22 | 306.68 | 307.38 | 302.46 | 303.17 | -0.72% | 1,165,400 |
| 2025-08-21 | 302.78 | 306.39 | 301.26 | 305.38 | +0.91% | 1,154,600 |
| 2025-08-20 | 302.09 | 305.13 | 300.64 | 302.64 | +0.55% | 1,568,500 |
| 2025-08-19 | 295.44 | 301.05 | 294.73 | 300.98 | +2.20% | 1,132,000 |
| 2025-08-18 | 292.02 | 296.53 | 291.08 | 294.51 | +0.61% | 1,376,300 |
| 2025-08-15 | 293.70 | 294.72 | 292.43 | 292.72 | -0.24% | 1,238,000 |
| 2025-08-14 | 295.50 | 295.50 | 289.93 | 293.41 | -0.57% | 1,280,200 |
| 2025-08-13 | 291.34 | 295.44 | 290.92 | 295.10 | +1.53% | 1,337,800 |
| 2025-08-12 | 289.10 | 291.21 | 286.82 | 290.65 | +0.60% | 1,275,900 |
| 2025-08-11 | 290.00 | 291.69 | 286.17 | 288.92 | -0.18% | 1,536,900 |
Most recent 250 sessions, newest first.
Seasonal returns
Best month historically: Nov (+6.11%). Worst month: Dec (-4.40%). Based on 5 years of daily data (2022–2026).
FAQ · from the current price data · as of 2026-08-07
Quick answers
What is Arthur J Gallagher Co's (AJG) latest close?
248.12 on 2026-08-07, from the Closelook data lake's daily price record.
What is AJG's 52-week high and low?
313.55 high and 190.75 low over the trailing 52 weeks, as of 2026-08-07.
What is Arthur J Gallagher Co's strongest and weakest month historically?
Historically, AJG's strongest calendar month has been Nov (average +6.11%) and its weakest Dec (average -4.40%), based on 5 years of daily data (2022–2026).
How many years of seasonality does this cover?
5 years (2022–2026), computed from 965 daily bars in the Closelook data lake.