Bio-Rad Laboratories Inc (BIO) — Price History

As of 2026-10-30 — refreshed nightly from the Closelooknet data lake. Diary readings, not advice.

The Closelooknet read

Signal: Pullback inside an uptrend stack — Trades -0.7% vs the 50-day and +18.8% vs the 200-day average, 6.1% below the 52-week high and +57.2% off the 52-week low; a golden cross printed 68 sessions ago. Computed from daily closes. (as of 2026-10-30)
Trend: Bio-Rad Laboratories Inc trades 0.7% below its 50-day and 18.8% above its 200-day moving average. (as of 2026-10-30)

Bio-Rad supplies tools for life-science research and for clinical diagnostics, organised into two segments. The Life Science side sells instruments, reagents and consumables that separate, purify and analyse cells, proteins and nucleic acids for laboratories, biopharma manufacturers and food-safety testers.

The full read — the desk's view, the earnings record, peers and the company snapshot — is on the BIO overview; the trend detail on the technical tab. Research diary readings, not advice.

Daily prices

Date	Open	High	Low	Close	Chg %	Volume
2026-10-30	381.09	381.29	368.44	372.18	-3.18%	183,084
2026-10-29	389.15	390.16	379.24	384.40	-0.19%	332,300
2026-10-28	384.15	388.86	379.79	385.12	+1.08%	251,300
2026-10-27	376.25	381.87	369.33	380.99	+2.30%	167,200
2026-10-26	371.80	376.00	369.76	372.43	+0.67%	179,100
2026-10-23	356.98	371.31	352.46	369.95	+1.77%	167,400
2026-10-22	359.83	367.93	359.83	363.50	+0.83%	228,200
2026-10-21	350.21	362.42	347.29	360.50	+1.69%	360,500
2026-10-20	352.08	356.93	350.49	354.50	+0.48%	212,400
2026-10-19	355.30	356.34	350.61	352.82	-0.25%	220,800
2026-10-16	369.37	369.37	350.77	353.70	-3.05%	207,700
2026-10-15	364.90	368.54	359.88	364.82	+0.66%	247,800
2026-10-14	367.86	371.07	361.27	362.43	-0.36%	297,400
2026-10-13	369.00	369.43	358.43	363.73	-0.19%	132,600
2026-10-12	369.85	369.85	359.41	364.42	-0.48%	181,100
2026-10-09	364.32	368.67	361.32	366.16	+1.60%	139,000
2026-10-08	371.99	372.59	353.97	360.40	-2.04%	312,000
2026-10-07	373.16	374.60	363.98	367.92	-0.25%	251,900
2026-10-06	383.38	390.00	367.49	368.83	-2.89%	162,538
2026-10-05	368.07	381.78	363.96	379.82	+2.89%	279,402
2026-10-02	357.28	369.40	357.28	369.14	+3.82%	223,600
2026-10-01	373.87	379.67	353.30	355.57	-5.86%	264,600
2026-09-30	377.61	380.88	374.02	377.71	-0.48%	228,600
2026-09-29	377.73	381.56	374.79	379.55	+0.49%	261,700
2026-09-28	376.98	383.95	373.18	377.69	-0.87%	272,600
2026-09-25	384.14	387.00	376.43	381.00	-1.69%	253,600
2026-09-24	377.73	389.38	376.18	387.54	+2.29%	374,200
2026-09-23	379.27	382.85	374.77	378.88	-0.18%	177,200
2026-09-22	377.53	383.25	374.01	379.57	+0.59%	374,700
2026-09-21	381.58	381.58	373.47	377.33	+0.24%	311,500
2026-09-18	383.05	383.05	374.81	376.41	-1.57%	324,347
2026-09-17	384.23	385.71	377.69	382.41	+0.89%	205,000
2026-09-16	378.25	385.33	375.00	379.03	+0.27%	262,400
2026-09-15	366.33	380.91	366.28	378.00	+2.56%	519,131
2026-09-14	365.66	370.52	365.66	368.55	-0.21%	292,990
2026-09-11	370.45	373.71	368.69	369.32	+0.15%	344,800
2026-09-10	379.92	382.01	368.56	368.75	-2.18%	334,400
2026-09-09	380.00	380.06	373.34	376.97	-0.83%	177,000
2026-09-08	390.73	390.73	379.49	380.12	-1.55%	138,800
2026-09-04	380.84	386.78	376.20	386.11	-0.46%	112,900
2026-09-03	390.00	394.29	381.06	387.90	-0.16%	148,000
2026-09-02	380.62	389.83	380.23	388.51	+1.98%	285,333
2026-09-01	387.88	387.88	380.27	380.96	-1.34%	256,110
2026-08-31	393.85	394.02	382.13	386.12	-0.41%	301,423
2026-08-28	390.82	392.29	382.10	387.70	-0.57%	207,000
2026-08-27	389.03	396.23	386.69	389.94	+0.33%	245,900
2026-08-26	393.10	393.10	385.50	388.64	-0.44%	221,700
2026-08-25	384.00	390.83	377.80	390.34	+2.25%	295,718
2026-08-24	384.09	384.09	373.40	381.76	+0.46%	300,154
2026-08-21	385.80	385.92	373.47	380.03	+0.95%	341,200
2026-08-20	360.29	380.71	360.25	376.46	+3.35%	337,500
2026-08-19	356.89	367.95	352.70	364.26	+3.28%	258,000
2026-08-18	356.17	356.49	351.80	352.69	-0.72%	210,700
2026-08-17	359.29	359.29	353.86	355.23	-0.29%	213,500
2026-08-14	361.06	362.49	355.07	356.26	-1.36%	173,800
2026-08-13	364.00	365.00	352.12	361.19	-0.25%	207,500
2026-08-12	353.06	362.42	351.00	362.08	+1.64%	233,900
2026-08-11	349.37	358.69	349.37	356.25	+0.48%	251,919
2026-08-10	350.49	355.85	347.86	354.54	+0.59%	221,108
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

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).

Jan+3.84%
Feb-7.82%
Mar-0.12%
Apr-5.28%
May+0.78%
Jun+1.04%
Jul+10.67%
Aug+4.28%
Sep-3.37%
Oct-6.54%
Nov+5.59%
Dec-0.76%

FAQ · from the current price data · as of 2026-10-30

Quick answers

What is Bio-Rad Laboratories Inc's (BIO) latest close?

372.18 on 2026-10-30, from the Closelook data lake's daily price record.

What is BIO's 52-week high and low?

396.23 high and 236.73 low over the trailing 52 weeks, as of 2026-10-30.

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 1024 daily bars in the Closelook data lake.

What is the current Closelooknet signal on BIO?

Pullback inside an uptrend stack: Trades -0.7% vs the 50-day and +18.8% vs the 200-day average, 6.1% below the 52-week high and +57.2% off the 52-week low; a golden cross printed 68 sessions ago. Computed from daily closes. As of 2026-10-30. A research diary reading, not advice.

Is BIO above its 50-day and 200-day moving averages?

Bio-Rad Laboratories Inc trades 0.7% below its 50-day and 18.8% above its 200-day moving average (1.3% above its 20-day). As of 2026-10-30.