Bio-Rad Laboratories Inc (BIO) — 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 | 339.18 | 353.33 | 339.18 | 352.47 | +2.93% | 266,900 |
| 2026-08-06 | 345.05 | 345.05 | 336.09 | 342.43 | -1.56% | 305,000 |
| 2026-08-05 | 340.00 | 352.63 | 329.60 | 347.86 | +4.50% | 522,100 |
| 2026-08-04 | 336.52 | 338.42 | 325.31 | 332.88 | -0.55% | 274,300 |
| 2026-08-03 | 324.98 | 335.53 | 319.49 | 334.71 | +2.84% | 295,500 |
| 2026-07-31 | 329.50 | 329.50 | 318.81 | 325.48 | -0.38% | 190,100 |
| 2026-07-30 | 325.63 | 328.52 | 318.55 | 326.72 | -0.16% | 195,000 |
| 2026-07-29 | 331.43 | 337.97 | 326.21 | 327.25 | -1.13% | 361,800 |
| 2026-07-28 | 320.01 | 334.61 | 320.01 | 331.00 | +4.61% | 592,300 |
| 2026-07-27 | 313.45 | 320.34 | 312.29 | 316.41 | +0.62% | 348,900 |
| 2026-07-24 | 316.48 | 317.13 | 311.66 | 314.46 | -0.61% | 355,500 |
| 2026-07-23 | 308.47 | 318.70 | 308.47 | 316.38 | +3.41% | 352,700 |
| 2026-07-22 | 301.00 | 307.10 | 298.74 | 305.96 | +1.41% | 275,067 |
| 2026-07-21 | 290.50 | 302.93 | 285.39 | 301.70 | -0.07% | 302,880 |
| 2026-07-20 | 301.71 | 307.49 | 300.16 | 301.90 | -0.81% | 454,218 |
| 2026-07-17 | 298.88 | 305.68 | 297.06 | 304.36 | +1.12% | 287,200 |
| 2026-07-16 | 295.93 | 302.13 | 295.93 | 300.98 | +1.78% | 237,500 |
| 2026-07-15 | 299.74 | 301.71 | 294.82 | 295.73 | -0.87% | 250,700 |
| 2026-07-14 | 294.42 | 299.87 | 294.42 | 298.34 | +0.26% | 227,800 |
| 2026-07-13 | 295.17 | 299.15 | 292.72 | 297.58 | +0.50% | 339,900 |
| 2026-07-10 | 300.00 | 302.16 | 295.96 | 296.11 | -0.39% | 204,500 |
| 2026-07-09 | 284.23 | 298.20 | 284.23 | 297.28 | +4.73% | 225,500 |
| 2026-07-08 | 289.19 | 290.50 | 281.79 | 283.86 | -2.95% | 253,100 |
| 2026-07-07 | 298.37 | 298.65 | 290.00 | 292.50 | -0.90% | 294,400 |
| 2026-07-06 | 298.82 | 298.82 | 290.93 | 295.15 | -0.58% | 270,800 |
| 2026-07-02 | 298.00 | 302.55 | 295.84 | 296.86 | -0.08% | 344,700 |
| 2026-07-01 | 293.11 | 299.54 | 293.06 | 297.09 | +1.19% | 204,200 |
| 2026-06-30 | 296.79 | 299.32 | 287.94 | 293.61 | -0.57% | 237,364 |
| 2026-06-29 | 300.00 | 301.27 | 294.07 | 295.30 | -1.83% | 329,344 |
| 2026-06-26 | 296.80 | 305.00 | 293.46 | 300.79 | +0.84% | 482,000 |
| 2026-06-25 | 284.00 | 301.76 | 280.78 | 298.29 | +6.51% | 591,800 |
| 2026-06-24 | 273.35 | 284.03 | 270.00 | 280.05 | +3.60% | 322,400 |
| 2026-06-23 | 281.62 | 283.76 | 270.28 | 270.32 | -3.84% | 645,300 |
| 2026-06-22 | 281.15 | 281.93 | 276.51 | 281.11 | -0.47% | 236,800 |
| 2026-06-18 | 284.61 | 285.75 | 280.48 | 282.44 | -0.78% | 402,800 |
| 2026-06-17 | 288.78 | 293.11 | 282.69 | 284.67 | -1.82% | 207,000 |
| 2026-06-16 | 290.65 | 294.43 | 288.94 | 289.95 | +0.23% | 266,600 |
| 2026-06-15 | 288.77 | 292.51 | 285.03 | 289.28 | +1.17% | 226,700 |
| 2026-06-12 | 293.57 | 293.83 | 284.57 | 285.94 | -2.22% | 184,400 |
| 2026-06-11 | 292.41 | 297.13 | 287.73 | 292.44 | +0.49% | 370,700 |
| 2026-06-10 | 296.08 | 298.58 | 290.21 | 291.01 | -2.07% | 370,800 |
| 2026-06-09 | 294.30 | 297.92 | 290.35 | 297.17 | +2.01% | 437,000 |
| 2026-06-08 | 296.50 | 298.27 | 291.12 | 291.31 | -1.02% | 431,000 |
| 2026-06-05 | 305.84 | 307.35 | 291.40 | 294.32 | -4.28% | 346,900 |
| 2026-06-04 | 308.66 | 312.27 | 305.53 | 307.47 | +0.87% | 279,100 |
| 2026-06-03 | 303.57 | 306.78 | 297.89 | 304.83 | -0.42% | 327,500 |
| 2026-06-02 | 300.99 | 308.63 | 299.58 | 306.13 | +0.22% | 405,400 |
| 2026-06-01 | 311.10 | 311.10 | 304.84 | 305.46 | -2.25% | 442,200 |
| 2026-05-29 | 318.82 | 319.50 | 310.82 | 312.48 | -1.80% | 521,600 |
| 2026-05-28 | 307.25 | 319.86 | 305.25 | 318.22 | +4.24% | 652,400 |
| 2026-05-27 | 299.00 | 305.81 | 297.50 | 305.29 | +2.83% | 574,400 |
| 2026-05-26 | 287.26 | 297.59 | 284.27 | 296.90 | +3.18% | 454,700 |
| 2026-05-22 | 287.49 | 291.47 | 286.20 | 287.74 | +0.35% | 273,200 |
| 2026-05-21 | 285.77 | 290.56 | 281.86 | 286.74 | -0.39% | 230,800 |
| 2026-05-20 | 282.58 | 288.56 | 275.08 | 287.86 | +2.42% | 551,100 |
| 2026-05-19 | 281.82 | 284.98 | 274.33 | 281.05 | -0.27% | 678,100 |
| 2026-05-18 | 274.72 | 283.63 | 267.83 | 281.82 | +13.85% | 1,263,600 |
| 2026-05-15 | 248.46 | 250.10 | 242.79 | 247.53 | +0.51% | 374,700 |
| 2026-05-14 | 243.69 | 249.35 | 243.43 | 246.27 | +1.13% | 403,500 |
| 2026-05-13 | 239.30 | 245.98 | 236.73 | 243.51 | +0.74% | 425,900 |
| 2026-05-12 | 245.03 | 246.20 | 240.72 | 241.71 | -0.85% | 277,700 |
| 2026-05-11 | 254.35 | 254.35 | 242.62 | 243.79 | -4.14% | 430,800 |
| 2026-05-08 | 256.41 | 258.81 | 251.32 | 254.32 | -1.17% | 230,800 |
| 2026-05-07 | 260.49 | 262.83 | 254.93 | 257.32 | -0.66% | 268,600 |
| 2026-05-06 | 260.47 | 264.06 | 258.60 | 259.02 | +0.74% | 498,500 |
| 2026-05-05 | 259.87 | 263.07 | 251.79 | 257.12 | -0.29% | 520,700 |
| 2026-05-04 | 255.85 | 262.46 | 255.16 | 257.86 | +0.51% | 624,000 |
| 2026-05-01 | 261.47 | 264.30 | 242.28 | 256.55 | -8.41% | 997,700 |
| 2026-04-30 | 277.93 | 281.97 | 273.15 | 280.12 | +1.81% | 650,200 |
| 2026-04-29 | 278.70 | 283.52 | 273.46 | 275.15 | -1.50% | 293,000 |
| 2026-04-28 | 287.49 | 288.52 | 276.66 | 279.34 | -2.77% | 339,300 |
| 2026-04-27 | 287.80 | 294.05 | 284.65 | 287.29 | -0.19% | 223,000 |
| 2026-04-24 | 281.61 | 288.49 | 280.35 | 287.84 | +2.28% | 218,800 |
| 2026-04-23 | 294.82 | 294.82 | 274.90 | 281.42 | -6.44% | 423,500 |
| 2026-04-22 | 307.50 | 308.38 | 298.22 | 300.78 | -1.60% | 232,500 |
| 2026-04-21 | 305.05 | 312.85 | 301.55 | 305.67 | +0.77% | 228,400 |
| 2026-04-20 | 297.46 | 304.60 | 295.98 | 303.34 | +1.44% | 171,700 |
| 2026-04-17 | 294.93 | 302.32 | 292.19 | 299.02 | +2.72% | 186,500 |
| 2026-04-16 | 294.68 | 294.69 | 289.70 | 291.09 | -1.65% | 286,900 |
| 2026-04-15 | 293.73 | 297.50 | 292.15 | 295.96 | +1.28% | 208,800 |
| 2026-04-14 | 289.53 | 294.71 | 289.53 | 292.23 | +1.41% | 200,300 |
| 2026-04-13 | 278.83 | 289.50 | 278.83 | 288.17 | +3.19% | 213,500 |
| 2026-04-10 | 278.25 | 279.53 | 275.40 | 279.25 | +0.63% | 276,600 |
| 2026-04-09 | 278.54 | 280.97 | 273.04 | 277.50 | -1.30% | 293,800 |
| 2026-04-08 | 285.37 | 288.72 | 280.91 | 281.15 | +1.13% | 388,900 |
| 2026-04-07 | 272.21 | 279.24 | 270.37 | 278.00 | -0.30% | 219,100 |
| 2026-04-06 | 279.57 | 280.78 | 276.32 | 278.85 | -0.41% | 272,800 |
| 2026-04-02 | 275.31 | 284.45 | 274.08 | 279.99 | +0.59% | 253,700 |
| 2026-04-01 | 280.38 | 282.89 | 277.86 | 278.36 | -0.14% | 176,900 |
| 2026-03-31 | 273.70 | 280.60 | 270.85 | 278.75 | +3.10% | 196,400 |
| 2026-03-30 | 268.76 | 272.75 | 265.64 | 270.36 | +1.87% | 589,800 |
| 2026-03-27 | 276.51 | 276.51 | 264.23 | 265.40 | -4.02% | 339,742 |
| 2026-03-26 | 272.48 | 277.82 | 272.48 | 276.53 | +1.07% | 436,678 |
| 2026-03-25 | 273.92 | 276.13 | 269.10 | 273.60 | +0.54% | 252,437 |
| 2026-03-24 | 261.29 | 273.79 | 260.58 | 272.12 | +2.69% | 543,684 |
| 2026-03-23 | 268.70 | 270.56 | 263.65 | 265.00 | +0.19% | 360,927 |
| 2026-03-20 | 267.43 | 267.73 | 262.05 | 264.49 | -0.19% | 462,439 |
| 2026-03-19 | 266.24 | 270.67 | 263.24 | 265.00 | -1.12% | 356,869 |
| 2026-03-18 | 266.27 | 270.90 | 266.27 | 267.99 | -0.55% | 286,583 |
| 2026-03-17 | 264.41 | 272.40 | 263.78 | 269.48 | +3.15% | 258,267 |
| 2026-03-16 | 265.57 | 267.82 | 258.95 | 261.24 | -0.59% | 209,675 |
| 2026-03-13 | 265.20 | 270.00 | 261.38 | 262.80 | +0.37% | 161,773 |
| 2026-03-12 | 267.03 | 270.05 | 259.56 | 261.82 | -2.99% | 364,094 |
| 2026-03-11 | 266.42 | 270.77 | 265.57 | 269.89 | +0.76% | 206,663 |
| 2026-03-10 | 271.25 | 271.32 | 265.36 | 267.85 | -1.32% | 198,788 |
| 2026-03-09 | 268.20 | 272.04 | 264.92 | 271.44 | +0.59% | 314,932 |
| 2026-03-06 | 275.96 | 275.96 | 267.55 | 269.85 | -3.29% | 276,869 |
| 2026-03-05 | 280.81 | 288.81 | 278.65 | 279.03 | -1.98% | 292,278 |
| 2026-03-04 | 282.15 | 285.75 | 279.96 | 284.68 | +1.60% | 272,508 |
| 2026-03-03 | 274.16 | 281.57 | 273.68 | 280.19 | +0.21% | 270,571 |
| 2026-03-02 | 275.41 | 282.32 | 273.56 | 279.59 | +0.41% | 302,937 |
| 2026-02-27 | 272.07 | 280.52 | 271.71 | 278.44 | +1.17% | 376,915 |
| 2026-02-26 | 270.94 | 275.71 | 268.00 | 275.21 | +2.06% | 260,411 |
| 2026-02-25 | 275.19 | 275.87 | 267.82 | 269.65 | +0.35% | 253,433 |
| 2026-02-24 | 268.26 | 275.99 | 267.82 | 268.70 | +0.17% | 241,728 |
| 2026-02-23 | 269.26 | 271.03 | 267.13 | 268.25 | -1.12% | 282,171 |
| 2026-02-20 | 270.00 | 272.59 | 267.65 | 271.30 | -0.22% | 257,082 |
| 2026-02-19 | 268.95 | 272.62 | 265.06 | 271.90 | +0.45% | 249,495 |
| 2026-02-18 | 264.28 | 271.84 | 263.51 | 270.67 | +2.17% | 341,911 |
| 2026-02-17 | 256.00 | 268.52 | 254.59 | 264.93 | +3.26% | 504,668 |
| 2026-02-13 | 251.00 | 272.79 | 251.00 | 256.56 | -12.26% | 1,060,713 |
| 2026-02-12 | 292.50 | 296.34 | 282.66 | 292.42 | -0.43% | 426,697 |
| 2026-02-11 | 297.22 | 298.96 | 291.90 | 293.69 | -2.09% | 227,163 |
| 2026-02-10 | 297.78 | 301.47 | 294.58 | 299.96 | +1.72% | 188,736 |
| 2026-02-09 | 298.17 | 299.11 | 287.59 | 294.90 | -2.19% | 256,272 |
| 2026-02-06 | 301.66 | 307.39 | 298.35 | 301.50 | +0.65% | 201,716 |
| 2026-02-05 | 304.83 | 307.41 | 298.09 | 299.54 | -2.08% | 166,601 |
| 2026-02-04 | 300.93 | 306.72 | 298.90 | 305.90 | +2.31% | 277,124 |
| 2026-02-03 | 298.14 | 313.41 | 296.45 | 298.98 | +0.52% | 367,224 |
| 2026-02-02 | 289.11 | 297.90 | 289.11 | 297.43 | +1.27% | 159,003 |
| 2026-01-30 | 290.89 | 295.76 | 289.19 | 293.70 | -0.41% | 173,163 |
| 2026-01-29 | 298.73 | 299.25 | 287.46 | 294.91 | -1.63% | 347,284 |
| 2026-01-28 | 297.52 | 302.59 | 294.82 | 299.79 | +0.70% | 290,883 |
| 2026-01-27 | 295.96 | 300.59 | 295.96 | 297.71 | -0.52% | 138,014 |
| 2026-01-26 | 295.59 | 301.57 | 294.16 | 299.28 | +0.91% | 233,349 |
| 2026-01-23 | 303.50 | 308.56 | 293.94 | 296.57 | -2.83% | 227,536 |
| 2026-01-22 | 313.11 | 315.70 | 304.17 | 305.22 | -2.03% | 301,892 |
| 2026-01-21 | 313.73 | 316.63 | 308.42 | 311.54 | -0.39% | 457,475 |
| 2026-01-20 | 308.35 | 315.25 | 306.52 | 312.76 | -0.25% | 130,351 |
| 2026-01-16 | 322.82 | 322.82 | 313.47 | 313.53 | -2.65% | 150,274 |
| 2026-01-15 | 318.81 | 323.32 | 315.00 | 322.06 | +1.20% | 236,015 |
| 2026-01-14 | 320.83 | 325.93 | 316.60 | 318.25 | -1.22% | 230,751 |
| 2026-01-13 | 323.49 | 328.56 | 316.57 | 322.17 | -0.26% | 183,801 |
| 2026-01-12 | 325.80 | 325.80 | 319.91 | 323.00 | -0.25% | 198,207 |
| 2026-01-09 | 321.36 | 326.43 | 318.18 | 323.82 | +1.49% | 191,091 |
| 2026-01-08 | 321.12 | 324.75 | 313.88 | 319.08 | -1.55% | 223,780 |
| 2026-01-07 | 325.81 | 326.90 | 320.22 | 324.09 | -0.43% | 200,614 |
| 2026-01-06 | 323.94 | 328.25 | 320.00 | 325.50 | +0.98% | 373,724 |
| 2026-01-05 | 302.25 | 322.61 | 302.25 | 322.34 | +5.59% | 262,734 |
| 2026-01-02 | 303.22 | 307.31 | 300.42 | 305.27 | +0.75% | 137,105 |
| 2025-12-31 | 305.81 | 305.98 | 300.26 | 302.99 | -0.50% | 99,757 |
| 2025-12-30 | 301.27 | 305.00 | 300.32 | 304.51 | +0.26% | 97,459 |
| 2025-12-29 | 303.88 | 305.62 | 301.07 | 303.73 | -0.05% | 148,792 |
| 2025-12-26 | 302.46 | 304.42 | 300.46 | 303.88 | +0.71% | 93,972 |
| 2025-12-24 | 301.00 | 302.72 | 298.78 | 301.75 | +0.24% | 76,223 |
| 2025-12-23 | 304.21 | 304.21 | 298.85 | 301.03 | -1.25% | 156,953 |
| 2025-12-22 | 302.02 | 307.07 | 298.80 | 304.85 | +1.10% | 194,379 |
| 2025-12-19 | 299.98 | 302.63 | 295.01 | 301.53 | +0.56% | 425,765 |
| 2025-12-18 | 303.87 | 307.78 | 298.97 | 299.86 | -0.47% | 163,961 |
| 2025-12-17 | 301.04 | 304.91 | 298.74 | 301.28 | -0.25% | 179,531 |
| 2025-12-16 | 308.10 | 309.79 | 298.02 | 302.02 | -1.92% | 173,119 |
| 2025-12-15 | 310.00 | 312.81 | 301.30 | 307.92 | -0.07% | 202,306 |
| 2025-12-12 | 313.97 | 314.97 | 306.36 | 308.13 | -1.86% | 110,658 |
| 2025-12-11 | 315.00 | 319.50 | 310.11 | 313.97 | -0.33% | 108,186 |
| 2025-12-10 | 309.74 | 316.20 | 307.08 | 315.00 | +2.26% | 169,734 |
| 2025-12-09 | 308.00 | 312.98 | 307.35 | 308.05 | -0.16% | 152,446 |
| 2025-12-08 | 314.86 | 316.73 | 308.05 | 308.53 | -2.88% | 134,082 |
| 2025-12-05 | 322.74 | 325.33 | 316.94 | 317.69 | -0.74% | 174,009 |
| 2025-12-04 | 320.00 | 321.00 | 311.81 | 320.06 | -0.09% | 114,275 |
| 2025-12-03 | 321.75 | 322.50 | 317.02 | 320.34 | +0.56% | 271,826 |
| 2025-12-02 | 320.48 | 323.99 | 317.50 | 318.56 | -0.91% | 210,135 |
| 2025-12-01 | 321.44 | 328.07 | 319.52 | 321.50 | -1.03% | 132,798 |
| 2025-11-28 | 323.65 | 327.69 | 321.10 | 324.86 | -0.66% | 86,310 |
| 2025-11-26 | 330.38 | 334.00 | 326.64 | 327.03 | -1.56% | 126,340 |
| 2025-11-25 | 322.69 | 334.53 | 321.73 | 332.21 | +3.02% | 145,512 |
| 2025-11-24 | 314.85 | 324.00 | 311.63 | 322.48 | +1.83% | 383,303 |
| 2025-11-21 | 303.63 | 320.14 | 303.63 | 316.70 | +4.31% | 126,652 |
| 2025-11-20 | 309.05 | 311.55 | 298.35 | 303.61 | -0.39% | 214,108 |
| 2025-11-19 | 310.50 | 310.50 | 301.33 | 304.79 | -0.97% | 192,716 |
| 2025-11-18 | 303.41 | 311.47 | 296.15 | 307.78 | +1.22% | 149,366 |
| 2025-11-17 | 313.67 | 315.35 | 303.30 | 304.06 | -2.90% | 165,038 |
| 2025-11-14 | 314.11 | 316.88 | 307.67 | 313.15 | -1.18% | 107,292 |
| 2025-11-13 | 322.68 | 326.79 | 316.56 | 316.89 | -3.17% | 176,080 |
| 2025-11-12 | 313.28 | 328.52 | 312.64 | 327.28 | +4.45% | 247,359 |
| 2025-11-11 | 309.85 | 315.86 | 306.90 | 313.33 | +1.94% | 116,392 |
| 2025-11-10 | 307.99 | 314.05 | 305.97 | 307.38 | +0.60% | 116,462 |
| 2025-11-07 | 304.92 | 307.50 | 302.30 | 305.56 | -0.32% | 136,235 |
| 2025-11-06 | 308.59 | 310.85 | 304.12 | 306.55 | -1.12% | 134,895 |
| 2025-11-05 | 308.65 | 312.87 | 303.44 | 310.01 | -0.31% | 179,617 |
| 2025-11-04 | 309.87 | 316.20 | 301.92 | 310.96 | -0.15% | 196,084 |
| 2025-11-03 | 317.04 | 319.85 | 308.36 | 311.43 | -2.54% | 252,595 |
| 2025-10-31 | 305.75 | 321.59 | 300.04 | 319.55 | +4.90% | 285,192 |
| 2025-10-30 | 316.00 | 328.96 | 298.22 | 304.61 | -4.65% | 429,218 |
| 2025-10-29 | 328.03 | 334.98 | 315.10 | 319.47 | -3.31% | 510,291 |
| 2025-10-28 | 336.44 | 340.68 | 327.40 | 330.42 | -1.70% | 305,175 |
| 2025-10-27 | 337.74 | 343.12 | 334.91 | 336.12 | -1.07% | 289,942 |
| 2025-10-24 | 341.03 | 342.16 | 337.21 | 339.75 | +0.32% | 161,557 |
| 2025-10-23 | 331.63 | 340.93 | 326.63 | 338.67 | +1.41% | 287,346 |
| 2025-10-22 | 329.01 | 337.77 | 327.85 | 333.97 | +0.82% | 573,598 |
| 2025-10-21 | 326.08 | 335.85 | 323.75 | 331.27 | +2.91% | 375,599 |
| 2025-10-20 | 312.99 | 322.54 | 305.32 | 321.90 | +3.83% | 199,074 |
| 2025-10-17 | 308.80 | 313.63 | 308.80 | 310.02 | -0.76% | 131,201 |
| 2025-10-16 | 310.04 | 322.29 | 309.21 | 312.39 | +2.14% | 270,378 |
| 2025-10-15 | 308.54 | 310.69 | 304.10 | 305.85 | +0.26% | 141,814 |
| 2025-10-14 | 298.87 | 309.59 | 298.87 | 305.05 | +0.44% | 134,180 |
| 2025-10-13 | 300.20 | 306.81 | 297.57 | 303.71 | +2.01% | 220,239 |
| 2025-10-10 | 300.48 | 302.31 | 292.56 | 297.72 | -0.97% | 170,700 |
| 2025-10-09 | 303.80 | 305.12 | 299.87 | 300.63 | -0.73% | 111,594 |
| 2025-10-08 | 294.81 | 304.91 | 294.81 | 302.83 | +2.13% | 217,262 |
| 2025-10-07 | 309.25 | 311.43 | 296.32 | 296.52 | -4.09% | 174,810 |
| 2025-10-06 | 304.44 | 309.68 | 300.98 | 309.17 | +1.20% | 195,187 |
| 2025-10-03 | 296.52 | 306.02 | 295.30 | 305.49 | +3.82% | 241,597 |
| 2025-10-02 | 298.00 | 301.00 | 294.07 | 294.24 | -1.25% | 177,465 |
| 2025-10-01 | 280.61 | 298.50 | 280.61 | 297.95 | +6.26% | 305,800 |
| 2025-09-30 | 270.60 | 280.97 | 268.39 | 280.39 | +3.81% | 177,827 |
| 2025-09-29 | 274.70 | 274.70 | 268.39 | 270.11 | -0.46% | 191,053 |
| 2025-09-26 | 272.74 | 274.29 | 268.39 | 271.36 | +0.35% | 211,846 |
| 2025-09-25 | 273.62 | 274.29 | 266.71 | 270.41 | -2.24% | 227,165 |
| 2025-09-24 | 281.86 | 282.93 | 274.08 | 276.62 | -1.93% | 232,204 |
| 2025-09-23 | 283.17 | 286.84 | 279.00 | 282.07 | -0.46% | 185,054 |
| 2025-09-22 | 283.31 | 284.58 | 278.88 | 283.36 | -0.25% | 195,067 |
| 2025-09-19 | 285.51 | 287.27 | 282.72 | 284.07 | -0.84% | 388,412 |
| 2025-09-18 | 283.25 | 288.15 | 281.19 | 286.49 | +2.21% | 176,442 |
| 2025-09-17 | 283.00 | 286.51 | 276.49 | 280.29 | -0.70% | 267,890 |
| 2025-09-16 | 280.21 | 284.33 | 277.81 | 282.26 | +0.73% | 188,718 |
| 2025-09-15 | 280.92 | 282.21 | 277.40 | 280.21 | -0.05% | 203,565 |
| 2025-09-12 | 284.55 | 285.45 | 278.63 | 280.34 | -1.94% | 242,384 |
| 2025-09-11 | 280.29 | 286.49 | 278.23 | 285.90 | +3.25% | 168,499 |
| 2025-09-10 | 284.88 | 287.94 | 276.52 | 276.91 | -3.16% | 230,130 |
| 2025-09-09 | 292.31 | 292.31 | 285.75 | 285.95 | -1.53% | 231,851 |
| 2025-09-08 | 293.44 | 293.44 | 286.37 | 290.38 | -1.71% | 192,612 |
| 2025-09-05 | 289.43 | 298.00 | 289.43 | 295.43 | +2.07% | 257,890 |
| 2025-09-04 | 286.83 | 290.72 | 278.77 | 289.43 | +0.48% | 187,656 |
| 2025-09-03 | 288.50 | 291.17 | 286.33 | 288.05 | -0.92% | 202,265 |
| 2025-09-02 | 293.83 | 296.40 | 286.89 | 290.71 | -2.41% | 215,809 |
| 2025-08-29 | 292.81 | 300.85 | 292.81 | 297.88 | +1.43% | 199,923 |
| 2025-08-28 | 290.75 | 294.63 | 288.98 | 293.67 | +0.28% | 189,617 |
| 2025-08-27 | 291.77 | 297.34 | 290.25 | 292.84 | -1.27% | 243,069 |
| 2025-08-26 | 298.30 | 299.89 | 295.87 | 296.60 | -0.26% | 191,691 |
| 2025-08-25 | 301.52 | 301.52 | 294.20 | 297.37 | -2.12% | 241,574 |
| 2025-08-22 | 289.46 | 308.44 | 287.31 | 303.82 | +6.59% | 783,334 |
| 2025-08-21 | 286.28 | 292.00 | 283.96 | 285.03 | -1.09% | 167,031 |
| 2025-08-20 | 287.92 | 290.77 | 285.98 | 288.16 | -0.07% | 129,060 |
| 2025-08-19 | 286.79 | 290.26 | 284.97 | 288.37 | +1.31% | 199,063 |
| 2025-08-18 | 285.28 | 287.20 | 282.00 | 284.65 | -0.35% | 163,780 |
| 2025-08-15 | 287.21 | 289.75 | 285.10 | 285.66 | -0.54% | 157,844 |
| 2025-08-14 | 284.53 | 287.26 | 280.64 | 287.21 | +0.02% | 132,041 |
| 2025-08-13 | 276.21 | 288.00 | 275.20 | 287.16 | +4.51% | 206,705 |
| 2025-08-12 | 264.79 | 275.01 | 264.33 | 274.76 | +3.87% | 243,125 |
| 2025-08-11 | 264.50 | 270.71 | 262.77 | 264.53 | +0.12% | 169,863 |
Most recent 250 sessions, newest first.
Seasonal returns
Best month historically: Jul (+10.67%). Worst month: Feb (-7.82%). Based on 5 years of daily data (2022–2026).
FAQ · from the current price data · as of 2026-08-07
Quick answers
What is Bio-Rad Laboratories Inc's (BIO) latest close?
352.47 on 2026-08-07, from the Closelook data lake's daily price record.
What is BIO's 52-week high and low?
353.33 high and 236.73 low over the trailing 52 weeks, as of 2026-08-07.
What is Bio-Rad Laboratories Inc's strongest and weakest month historically?
Historically, BIO's strongest calendar month has been Jul (average +10.67%) and its weakest Feb (average -7.82%), 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.