Heico Corporation (HEI) — 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 | 366.81 | 369.35 | 361.68 | 367.58 | +1.18% | 387,600 |
| 2026-08-06 | 372.08 | 376.86 | 361.71 | 363.29 | -0.96% | 414,500 |
| 2026-08-05 | 369.73 | 371.46 | 365.05 | 366.80 | -0.23% | 348,500 |
| 2026-08-04 | 364.46 | 370.39 | 362.87 | 367.66 | +2.00% | 442,600 |
| 2026-08-03 | 355.10 | 364.28 | 352.83 | 360.44 | +1.14% | 397,300 |
| 2026-07-31 | 353.23 | 359.22 | 352.84 | 356.36 | +0.62% | 449,900 |
| 2026-07-30 | 355.01 | 360.57 | 348.60 | 354.17 | -0.30% | 409,700 |
| 2026-07-29 | 363.00 | 364.99 | 351.18 | 355.23 | -2.26% | 507,500 |
| 2026-07-28 | 360.00 | 364.99 | 353.96 | 363.44 | +1.76% | 488,500 |
| 2026-07-27 | 354.19 | 361.70 | 351.81 | 357.15 | +2.16% | 384,900 |
| 2026-07-24 | 342.03 | 351.00 | 338.57 | 349.61 | +2.66% | 411,000 |
| 2026-07-23 | 337.47 | 345.02 | 334.75 | 340.54 | +1.58% | 558,100 |
| 2026-07-22 | 341.04 | 345.39 | 335.23 | 335.24 | -1.52% | 367,300 |
| 2026-07-21 | 340.75 | 343.89 | 337.22 | 340.40 | -0.01% | 430,785 |
| 2026-07-20 | 344.37 | 348.36 | 338.90 | 340.44 | -0.65% | 361,622 |
| 2026-07-17 | 340.33 | 352.01 | 338.64 | 342.66 | -0.40% | 528,300 |
| 2026-07-16 | 348.34 | 348.36 | 340.06 | 344.03 | -2.15% | 398,400 |
| 2026-07-15 | 348.28 | 354.39 | 346.48 | 351.59 | +1.73% | 459,600 |
| 2026-07-14 | 346.21 | 350.30 | 344.30 | 345.61 | +0.44% | 519,600 |
| 2026-07-13 | 347.69 | 348.75 | 341.73 | 344.11 | -1.94% | 488,500 |
| 2026-07-10 | 352.17 | 352.32 | 345.73 | 350.92 | -0.34% | 290,600 |
| 2026-07-09 | 348.95 | 353.63 | 347.42 | 352.13 | +1.25% | 349,400 |
| 2026-07-08 | 352.65 | 354.89 | 344.41 | 347.78 | -2.86% | 490,700 |
| 2026-07-07 | 364.66 | 365.38 | 353.13 | 358.02 | -2.00% | 357,600 |
| 2026-07-06 | 363.66 | 369.48 | 363.25 | 365.31 | +0.89% | 410,600 |
| 2026-07-02 | 361.49 | 366.59 | 357.46 | 362.09 | +0.66% | 501,000 |
| 2026-07-01 | 358.60 | 364.10 | 355.65 | 359.70 | +0.99% | 470,100 |
| 2026-06-30 | 352.34 | 356.31 | 349.60 | 356.19 | +1.64% | 484,800 |
| 2026-06-29 | 344.66 | 352.42 | 343.01 | 350.44 | +1.52% | 608,500 |
| 2026-06-26 | 341.87 | 345.63 | 336.21 | 345.21 | +0.81% | 606,200 |
| 2026-06-25 | 335.50 | 350.59 | 333.66 | 342.45 | +2.13% | 460,700 |
| 2026-06-24 | 334.76 | 339.96 | 333.72 | 335.30 | +0.34% | 375,300 |
| 2026-06-23 | 329.39 | 336.76 | 327.67 | 334.17 | +0.91% | 353,300 |
| 2026-06-22 | 332.92 | 337.48 | 329.59 | 331.15 | -1.77% | 559,000 |
| 2026-06-18 | 342.09 | 343.99 | 335.74 | 337.10 | -0.07% | 656,100 |
| 2026-06-17 | 331.70 | 343.00 | 331.14 | 337.33 | +0.54% | 491,100 |
| 2026-06-16 | 336.12 | 340.67 | 335.34 | 335.53 | -0.19% | 326,100 |
| 2026-06-15 | 337.41 | 341.40 | 335.59 | 336.18 | +1.38% | 535,200 |
| 2026-06-12 | 343.26 | 344.50 | 330.16 | 331.61 | -2.24% | 432,500 |
| 2026-06-11 | 324.18 | 339.68 | 323.19 | 339.22 | +5.72% | 560,000 |
| 2026-06-10 | 327.43 | 329.92 | 320.42 | 320.88 | -1.70% | 396,800 |
| 2026-06-09 | 323.75 | 330.57 | 315.00 | 326.42 | +0.90% | 842,200 |
| 2026-06-08 | 332.48 | 333.82 | 323.00 | 323.50 | -2.39% | 748,600 |
| 2026-06-05 | 330.68 | 332.95 | 327.06 | 331.43 | -0.46% | 469,700 |
| 2026-06-04 | 331.33 | 336.95 | 330.73 | 332.97 | +1.17% | 672,200 |
| 2026-06-03 | 330.00 | 333.57 | 327.25 | 329.11 | -0.91% | 875,500 |
| 2026-06-02 | 332.41 | 333.62 | 327.80 | 332.14 | -0.33% | 610,100 |
| 2026-06-01 | 347.71 | 348.47 | 332.49 | 333.25 | -4.29% | 777,000 |
| 2026-05-29 | 350.00 | 351.64 | 341.64 | 348.18 | +0.90% | 965,400 |
| 2026-05-28 | 346.71 | 351.99 | 335.66 | 345.07 | +11.53% | 1,581,600 |
| 2026-05-27 | 309.40 | 314.74 | 307.69 | 309.40 | +0.17% | 792,600 |
| 2026-05-26 | 307.04 | 311.90 | 304.38 | 308.86 | +2.60% | 845,700 |
| 2026-05-22 | 302.33 | 304.92 | 300.02 | 301.04 | -0.05% | 480,300 |
| 2026-05-21 | 298.76 | 303.59 | 295.68 | 301.20 | -0.10% | 626,800 |
| 2026-05-20 | 294.29 | 302.25 | 290.00 | 301.49 | +3.12% | 972,900 |
| 2026-05-19 | 292.65 | 295.38 | 288.53 | 292.37 | -0.41% | 585,000 |
| 2026-05-18 | 288.04 | 295.31 | 286.52 | 293.57 | +1.64% | 810,100 |
| 2026-05-15 | 292.90 | 298.10 | 287.44 | 288.84 | -2.80% | 1,110,700 |
| 2026-05-14 | 293.46 | 297.59 | 289.20 | 297.15 | +1.83% | 751,100 |
| 2026-05-13 | 287.29 | 295.44 | 283.19 | 291.80 | +1.44% | 1,164,300 |
| 2026-05-12 | 289.00 | 290.65 | 284.54 | 287.67 | -0.72% | 669,800 |
| 2026-05-11 | 291.29 | 293.29 | 286.52 | 289.77 | -0.94% | 719,600 |
| 2026-05-08 | 291.01 | 294.05 | 285.34 | 292.52 | +1.01% | 978,500 |
| 2026-05-07 | 299.21 | 301.10 | 287.68 | 289.60 | -2.29% | 1,035,200 |
| 2026-05-06 | 286.15 | 300.26 | 285.00 | 296.38 | +6.87% | 1,685,800 |
| 2026-05-05 | 273.33 | 278.37 | 270.55 | 277.33 | +2.90% | 975,400 |
| 2026-05-04 | 267.92 | 273.88 | 267.25 | 269.52 | +0.44% | 878,000 |
| 2026-05-01 | 271.82 | 274.45 | 264.96 | 268.34 | -0.59% | 658,100 |
| 2026-04-30 | 261.39 | 270.45 | 261.09 | 269.92 | +3.42% | 643,200 |
| 2026-04-29 | 263.27 | 264.00 | 256.11 | 260.99 | -1.10% | 546,300 |
| 2026-04-28 | 267.04 | 267.45 | 262.04 | 263.88 | -0.84% | 466,300 |
| 2026-04-27 | 263.41 | 266.41 | 261.95 | 266.12 | +0.79% | 478,800 |
| 2026-04-24 | 266.85 | 267.22 | 260.37 | 264.04 | -1.75% | 476,000 |
| 2026-04-23 | 268.49 | 271.96 | 263.95 | 268.74 | +0.06% | 703,600 |
| 2026-04-22 | 278.74 | 279.61 | 264.51 | 268.57 | -2.70% | 907,600 |
| 2026-04-21 | 289.50 | 290.01 | 275.12 | 276.02 | -5.53% | 772,900 |
| 2026-04-20 | 291.93 | 293.23 | 289.72 | 292.19 | +0.21% | 286,900 |
| 2026-04-17 | 289.28 | 297.19 | 289.00 | 291.57 | +2.43% | 559,000 |
| 2026-04-16 | 293.78 | 294.82 | 284.59 | 284.66 | -2.63% | 609,200 |
| 2026-04-15 | 300.00 | 300.00 | 291.67 | 292.36 | -2.54% | 496,200 |
| 2026-04-14 | 295.27 | 300.00 | 293.67 | 299.99 | +2.11% | 648,300 |
| 2026-04-13 | 289.19 | 293.98 | 286.63 | 293.79 | +1.60% | 543,700 |
| 2026-04-10 | 292.22 | 292.22 | 285.43 | 289.17 | -1.38% | 606,000 |
| 2026-04-09 | 292.33 | 296.34 | 289.80 | 293.22 | -0.04% | 503,600 |
| 2026-04-08 | 287.49 | 296.03 | 285.00 | 293.34 | +6.52% | 770,500 |
| 2026-04-07 | 275.02 | 276.71 | 271.64 | 275.38 | -0.50% | 598,400 |
| 2026-04-06 | 270.34 | 276.89 | 270.34 | 276.77 | +1.84% | 400,700 |
| 2026-04-02 | 268.47 | 276.03 | 265.12 | 271.77 | -1.35% | 584,800 |
| 2026-04-01 | 278.00 | 279.40 | 274.04 | 275.48 | +0.47% | 478,500 |
| 2026-03-31 | 268.33 | 276.28 | 266.26 | 274.20 | +3.46% | 829,900 |
| 2026-03-30 | 273.90 | 276.33 | 263.55 | 265.02 | -3.06% | 692,000 |
| 2026-03-27 | 270.57 | 274.86 | 270.15 | 273.39 | +0.28% | 612,900 |
| 2026-03-26 | 276.14 | 278.08 | 271.52 | 272.64 | -2.31% | 450,300 |
| 2026-03-25 | 281.00 | 283.15 | 277.83 | 279.09 | -0.57% | 485,200 |
| 2026-03-24 | 277.49 | 281.24 | 275.61 | 280.69 | +0.38% | 424,700 |
| 2026-03-23 | 278.23 | 283.89 | 278.16 | 279.64 | +1.63% | 633,200 |
| 2026-03-20 | 276.00 | 279.18 | 270.71 | 275.16 | -0.72% | 811,000 |
| 2026-03-19 | 284.38 | 284.38 | 274.15 | 277.16 | -3.87% | 736,400 |
| 2026-03-18 | 293.41 | 295.63 | 287.91 | 288.33 | -1.33% | 350,100 |
| 2026-03-17 | 293.59 | 295.38 | 289.12 | 292.21 | +0.25% | 296,600 |
| 2026-03-16 | 291.12 | 294.14 | 289.75 | 291.47 | +1.05% | 459,600 |
| 2026-03-13 | 292.16 | 294.23 | 285.52 | 288.45 | -0.53% | 467,300 |
| 2026-03-12 | 302.51 | 306.57 | 289.62 | 290.00 | -5.49% | 603,900 |
| 2026-03-11 | 303.14 | 308.45 | 301.66 | 306.84 | +0.14% | 696,600 |
| 2026-03-10 | 308.73 | 311.90 | 306.10 | 306.40 | -1.25% | 581,700 |
| 2026-03-09 | 301.40 | 310.36 | 297.76 | 310.29 | +2.16% | 762,000 |
| 2026-03-06 | 303.00 | 307.24 | 300.13 | 303.73 | -1.18% | 901,900 |
| 2026-03-05 | 316.96 | 319.61 | 303.44 | 307.36 | -3.97% | 759,300 |
| 2026-03-04 | 327.88 | 330.01 | 319.66 | 320.05 | -2.04% | 938,500 |
| 2026-03-03 | 324.70 | 329.92 | 319.15 | 326.71 | -0.77% | 759,100 |
| 2026-03-02 | 320.06 | 335.41 | 317.51 | 329.25 | +3.06% | 886,900 |
| 2026-02-27 | 314.80 | 323.29 | 312.21 | 319.46 | +2.07% | 2,147,200 |
| 2026-02-26 | 312.67 | 321.51 | 297.20 | 312.98 | -9.21% | 2,919,300 |
| 2026-02-25 | 352.59 | 354.70 | 342.70 | 344.72 | -1.69% | 939,800 |
| 2026-02-24 | 345.00 | 351.27 | 341.38 | 350.64 | +1.26% | 665,600 |
| 2026-02-23 | 349.01 | 352.91 | 345.41 | 346.27 | -1.53% | 644,800 |
| 2026-02-20 | 346.46 | 353.20 | 344.26 | 351.66 | +1.64% | 728,100 |
| 2026-02-19 | 341.37 | 348.45 | 340.80 | 345.99 | +1.10% | 520,200 |
| 2026-02-18 | 337.29 | 343.36 | 335.34 | 342.22 | +1.49% | 445,500 |
| 2026-02-17 | 332.50 | 345.52 | 330.94 | 337.21 | +1.41% | 777,000 |
| 2026-02-13 | 329.80 | 337.16 | 329.80 | 332.52 | +1.24% | 408,400 |
| 2026-02-12 | 326.30 | 332.43 | 323.99 | 328.45 | +1.88% | 489,900 |
| 2026-02-11 | 325.00 | 325.00 | 317.11 | 322.40 | -0.30% | 401,200 |
| 2026-02-10 | 323.87 | 325.00 | 320.25 | 323.36 | +0.27% | 308,800 |
| 2026-02-09 | 327.70 | 332.66 | 321.45 | 322.49 | -1.28% | 389,800 |
| 2026-02-06 | 327.59 | 330.59 | 325.24 | 326.67 | +1.36% | 406,100 |
| 2026-02-05 | 318.87 | 327.46 | 318.53 | 322.30 | -0.67% | 393,800 |
| 2026-02-04 | 333.82 | 334.81 | 319.27 | 324.48 | -2.94% | 561,200 |
| 2026-02-03 | 335.25 | 337.15 | 327.92 | 334.32 | +0.62% | 489,500 |
| 2026-02-02 | 332.17 | 334.79 | 329.75 | 332.26 | +0.41% | 411,300 |
| 2026-01-30 | 327.71 | 333.41 | 327.00 | 330.91 | -0.32% | 271,200 |
| 2026-01-29 | 333.70 | 336.14 | 328.22 | 331.96 | +0.26% | 517,200 |
| 2026-01-28 | 338.00 | 338.00 | 328.44 | 331.11 | -2.20% | 391,200 |
| 2026-01-27 | 339.70 | 342.22 | 335.89 | 338.56 | +0.72% | 380,200 |
| 2026-01-26 | 333.60 | 337.39 | 330.25 | 336.15 | +0.52% | 299,600 |
| 2026-01-23 | 342.92 | 342.92 | 333.17 | 334.41 | -1.48% | 485,300 |
| 2026-01-22 | 347.80 | 349.74 | 337.55 | 339.44 | -2.39% | 469,900 |
| 2026-01-21 | 347.34 | 351.08 | 344.66 | 347.75 | +0.94% | 417,200 |
| 2026-01-20 | 348.91 | 353.89 | 343.37 | 344.52 | -2.28% | 633,600 |
| 2026-01-16 | 358.37 | 359.00 | 351.81 | 352.55 | -1.53% | 624,100 |
| 2026-01-15 | 356.61 | 360.48 | 353.95 | 358.04 | +1.63% | 382,500 |
| 2026-01-14 | 352.34 | 353.91 | 346.26 | 352.29 | -0.00% | 343,700 |
| 2026-01-13 | 360.25 | 360.25 | 350.24 | 352.30 | -1.24% | 347,300 |
| 2026-01-12 | 354.87 | 357.60 | 353.37 | 356.74 | +0.90% | 423,100 |
| 2026-01-09 | 352.32 | 357.13 | 352.12 | 353.56 | +0.77% | 403,600 |
| 2026-01-08 | 357.10 | 361.69 | 346.62 | 350.85 | -0.02% | 616,500 |
| 2026-01-07 | 350.25 | 356.77 | 349.45 | 350.91 | +0.92% | 579,000 |
| 2026-01-06 | 343.00 | 348.98 | 342.33 | 347.70 | +1.78% | 599,400 |
| 2026-01-05 | 331.78 | 343.99 | 330.82 | 341.62 | +3.74% | 456,200 |
| 2026-01-02 | 323.22 | 329.75 | 320.18 | 329.31 | +1.77% | 320,400 |
| 2025-12-31 | 328.80 | 329.06 | 322.82 | 323.59 | -1.42% | 373,200 |
| 2025-12-30 | 327.47 | 328.37 | 325.33 | 328.26 | -0.30% | 386,800 |
| 2025-12-29 | 334.20 | 334.31 | 328.41 | 329.24 | -1.67% | 399,400 |
| 2025-12-26 | 337.35 | 338.74 | 334.00 | 334.84 | -0.96% | 358,400 |
| 2025-12-24 | 339.79 | 340.11 | 335.28 | 338.07 | +0.05% | 232,800 |
| 2025-12-23 | 336.00 | 339.81 | 331.51 | 337.89 | +0.99% | 639,300 |
| 2025-12-22 | 332.46 | 336.37 | 327.42 | 334.58 | +2.42% | 621,500 |
| 2025-12-19 | 318.89 | 330.36 | 316.14 | 326.67 | +5.81% | 1,093,600 |
| 2025-12-18 | 310.07 | 312.55 | 306.15 | 308.73 | +0.60% | 638,900 |
| 2025-12-17 | 309.81 | 312.36 | 306.08 | 306.89 | -1.10% | 472,300 |
| 2025-12-16 | 309.40 | 312.85 | 306.67 | 310.29 | -0.60% | 484,200 |
| 2025-12-15 | 312.53 | 315.86 | 310.13 | 312.16 | +0.54% | 543,200 |
| 2025-12-12 | 318.00 | 318.55 | 309.47 | 310.49 | -1.51% | 402,600 |
| 2025-12-11 | 310.34 | 315.63 | 308.38 | 315.26 | +2.13% | 514,400 |
| 2025-12-10 | 306.40 | 310.23 | 304.44 | 308.67 | +0.97% | 568,900 |
| 2025-12-09 | 313.58 | 316.95 | 304.77 | 305.71 | -2.82% | 518,400 |
| 2025-12-08 | 312.88 | 317.42 | 311.26 | 314.59 | +0.77% | 482,700 |
| 2025-12-05 | 316.56 | 316.56 | 309.36 | 312.20 | -1.09% | 240,200 |
| 2025-12-04 | 309.68 | 317.73 | 309.46 | 315.64 | +2.00% | 397,700 |
| 2025-12-03 | 308.84 | 310.08 | 306.40 | 309.45 | +0.39% | 311,100 |
| 2025-12-02 | 311.53 | 311.59 | 307.40 | 308.25 | -0.47% | 381,000 |
| 2025-12-01 | 313.68 | 316.22 | 309.59 | 309.71 | -2.27% | 317,800 |
| 2025-11-28 | 317.14 | 317.99 | 315.12 | 316.91 | +0.52% | 98,000 |
| 2025-11-26 | 315.26 | 317.92 | 313.58 | 315.26 | +0.22% | 261,800 |
| 2025-11-25 | 307.16 | 315.48 | 306.21 | 314.58 | +2.81% | 355,600 |
| 2025-11-24 | 304.24 | 308.30 | 302.67 | 305.98 | +0.91% | 350,700 |
| 2025-11-21 | 301.96 | 304.94 | 298.58 | 303.22 | +0.01% | 376,000 |
| 2025-11-20 | 313.01 | 313.01 | 301.12 | 303.18 | -1.40% | 525,800 |
| 2025-11-19 | 309.42 | 311.28 | 305.03 | 307.48 | -0.78% | 538,500 |
| 2025-11-18 | 310.00 | 314.71 | 305.89 | 309.90 | -0.32% | 501,500 |
| 2025-11-17 | 314.50 | 316.07 | 309.13 | 310.88 | -0.88% | 329,700 |
| 2025-11-14 | 312.00 | 317.84 | 310.70 | 313.64 | -1.19% | 344,100 |
| 2025-11-13 | 325.26 | 326.50 | 317.33 | 317.41 | -2.63% | 269,200 |
| 2025-11-12 | 328.59 | 334.33 | 325.52 | 325.97 | -0.91% | 374,200 |
| 2025-11-11 | 329.00 | 334.13 | 327.87 | 328.95 | -0.51% | 319,100 |
| 2025-11-10 | 329.00 | 337.57 | 325.03 | 330.64 | +2.36% | 596,900 |
| 2025-11-07 | 316.15 | 323.60 | 313.02 | 323.02 | +1.72% | 284,700 |
| 2025-11-06 | 318.44 | 323.74 | 316.95 | 317.56 | -0.25% | 312,200 |
| 2025-11-05 | 312.21 | 318.84 | 311.02 | 318.35 | +0.69% | 282,200 |
| 2025-11-04 | 312.70 | 316.71 | 311.01 | 316.17 | +0.43% | 200,100 |
| 2025-11-03 | 318.67 | 318.67 | 312.62 | 314.82 | -0.93% | 261,800 |
| 2025-10-31 | 310.78 | 318.15 | 309.58 | 317.77 | +2.40% | 441,800 |
| 2025-10-30 | 309.23 | 316.05 | 309.23 | 310.33 | -0.10% | 253,200 |
| 2025-10-29 | 312.55 | 313.56 | 308.69 | 310.63 | -0.61% | 232,000 |
| 2025-10-28 | 315.00 | 317.26 | 310.00 | 312.55 | -1.09% | 358,400 |
| 2025-10-27 | 317.10 | 318.97 | 314.72 | 315.98 | -0.25% | 233,400 |
| 2025-10-24 | 320.03 | 320.47 | 315.63 | 316.77 | -0.25% | 160,300 |
| 2025-10-23 | 312.09 | 318.11 | 312.09 | 317.56 | +1.79% | 242,500 |
| 2025-10-22 | 314.77 | 316.88 | 311.51 | 311.98 | -1.00% | 240,500 |
| 2025-10-21 | 315.90 | 319.91 | 313.41 | 315.14 | +0.68% | 216,600 |
| 2025-10-20 | 309.01 | 314.08 | 307.82 | 313.02 | +1.96% | 197,300 |
| 2025-10-17 | 306.34 | 307.49 | 304.51 | 306.99 | -0.12% | 185,500 |
| 2025-10-16 | 309.03 | 312.84 | 306.11 | 307.37 | +0.06% | 295,500 |
| 2025-10-15 | 318.44 | 318.55 | 305.27 | 307.20 | -1.85% | 455,100 |
| 2025-10-14 | 309.17 | 316.00 | 308.00 | 312.99 | +0.52% | 363,600 |
| 2025-10-13 | 309.00 | 313.47 | 308.62 | 311.36 | +1.48% | 252,000 |
| 2025-10-10 | 315.58 | 317.97 | 306.60 | 306.83 | -2.87% | 365,900 |
| 2025-10-09 | 321.05 | 322.70 | 314.56 | 315.89 | -1.52% | 194,800 |
| 2025-10-08 | 314.87 | 321.58 | 314.87 | 320.75 | +1.19% | 295,700 |
| 2025-10-07 | 320.00 | 322.27 | 311.78 | 316.99 | -1.56% | 416,900 |
| 2025-10-06 | 321.47 | 323.22 | 319.13 | 322.01 | +0.42% | 158,200 |
| 2025-10-03 | 318.23 | 323.31 | 317.08 | 320.65 | +0.89% | 244,600 |
| 2025-10-02 | 320.56 | 322.80 | 315.98 | 317.81 | -0.63% | 240,300 |
| 2025-10-01 | 319.39 | 323.12 | 318.12 | 319.81 | -0.93% | 274,600 |
| 2025-09-30 | 317.81 | 323.22 | 317.00 | 322.82 | +1.57% | 257,300 |
| 2025-09-29 | 323.42 | 325.00 | 317.00 | 317.83 | -0.77% | 339,800 |
| 2025-09-26 | 321.01 | 324.46 | 317.00 | 320.31 | +0.75% | 326,600 |
| 2025-09-25 | 315.15 | 318.80 | 312.24 | 317.93 | +0.39% | 206,600 |
| 2025-09-24 | 320.34 | 321.81 | 316.69 | 316.70 | -1.02% | 203,300 |
| 2025-09-23 | 319.56 | 323.44 | 316.33 | 319.97 | -0.07% | 283,300 |
| 2025-09-22 | 318.53 | 322.06 | 316.99 | 320.21 | +0.46% | 271,700 |
| 2025-09-19 | 323.75 | 323.75 | 318.14 | 318.75 | -0.93% | 452,800 |
| 2025-09-18 | 316.46 | 321.89 | 315.97 | 321.74 | +1.51% | 284,000 |
| 2025-09-17 | 322.00 | 324.41 | 316.66 | 316.95 | -1.82% | 307,400 |
| 2025-09-16 | 325.59 | 331.55 | 322.41 | 322.81 | -0.19% | 405,800 |
| 2025-09-15 | 318.00 | 324.32 | 318.00 | 323.44 | +1.43% | 267,500 |
| 2025-09-12 | 322.82 | 322.82 | 318.68 | 318.89 | -0.60% | 201,400 |
| 2025-09-11 | 317.93 | 322.65 | 317.92 | 320.82 | +1.35% | 250,200 |
| 2025-09-10 | 317.50 | 322.48 | 314.45 | 316.55 | +0.04% | 298,700 |
| 2025-09-09 | 314.46 | 317.52 | 311.91 | 316.41 | -0.31% | 382,100 |
| 2025-09-08 | 322.13 | 325.37 | 316.98 | 317.38 | -1.32% | 542,300 |
| 2025-09-05 | 325.56 | 325.56 | 315.95 | 321.62 | -0.21% | 491,600 |
| 2025-09-04 | 320.00 | 323.16 | 317.72 | 322.29 | +1.08% | 363,800 |
| 2025-09-03 | 316.22 | 318.91 | 314.35 | 318.84 | +0.93% | 420,000 |
| 2025-09-02 | 312.11 | 316.25 | 308.33 | 315.91 | +1.25% | 375,000 |
| 2025-08-29 | 318.28 | 318.28 | 311.82 | 312.02 | -1.90% | 427,000 |
| 2025-08-28 | 317.77 | 318.64 | 315.76 | 318.07 | +0.48% | 392,800 |
| 2025-08-27 | 335.00 | 336.44 | 316.51 | 316.56 | -4.70% | 683,200 |
| 2025-08-26 | 321.97 | 333.31 | 319.05 | 332.16 | +8.78% | 1,114,100 |
| 2025-08-25 | 313.00 | 313.49 | 304.39 | 305.34 | -1.37% | 795,300 |
| 2025-08-22 | 310.00 | 313.17 | 308.29 | 309.59 | +0.61% | 422,100 |
| 2025-08-21 | 307.00 | 310.24 | 305.51 | 307.72 | +0.16% | 341,900 |
| 2025-08-20 | 305.86 | 309.11 | 304.32 | 307.23 | +0.90% | 496,900 |
| 2025-08-19 | 306.20 | 308.16 | 303.02 | 304.50 | -1.19% | 548,600 |
| 2025-08-18 | 308.95 | 309.38 | 304.16 | 308.16 | +0.08% | 415,000 |
| 2025-08-15 | 310.71 | 310.71 | 306.87 | 307.91 | -1.06% | 243,500 |
| 2025-08-14 | 311.40 | 313.52 | 309.92 | 311.20 | -0.55% | 266,900 |
| 2025-08-13 | 318.07 | 318.23 | 307.34 | 312.93 | -0.99% | 377,000 |
| 2025-08-12 | 314.57 | 316.26 | 308.47 | 316.07 | +1.15% | 327,700 |
| 2025-08-11 | 313.72 | 315.59 | 306.03 | 312.47 | -0.29% | 257,800 |
Most recent 250 sessions, newest first.
Seasonal returns
Best month historically: May (+10.84%). Worst month: Mar (-4.48%). Based on 5 years of daily data (2022–2026).
FAQ · from the current price data · as of 2026-08-07
Quick answers
What is Heico Corporation's (HEI) latest close?
367.58 on 2026-08-07, from the Closelook data lake's daily price record.
What is HEI's 52-week high and low?
376.86 high and 256.11 low over the trailing 52 weeks, as of 2026-08-07.
What is Heico Corporation's strongest and weakest month historically?
Historically, HEI's strongest calendar month has been May (average +10.84%) and its weakest Mar (average -4.48%), 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.