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BRKB20261218P320
BRK.B Dec 18 2026 320.00 Put (BRKB261218P00320000)
option OPRA

EOD

Aug 21, 2026

0.2600-16.129%(-0.0500)6

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-08-21	0.2600	0.2600	0.2600	0.2600	-16.129%	6	120	0.000%
2026-08-12	0.2800	0.3100	0.2800	0.3100	-16.216%	9	121	-16.129%
2026-08-10	0.3700	0.3700	0.3700	0.3700	+8.824%	1	121	-29.730%
2026-08-07	0.3400	0.3400	0.3400	0.3400	+13.333%	1	122	-23.529%
2026-08-06	0.3000	0.3000	0.3000	0.3000	-53.125%	2	121	-13.333%
2026-07-30	0.6400	0.6400	0.6400	0.6400	+16.364%	1	119	-59.375%
2026-07-17	0.5500	0.5500	0.5500	0.5500	+7.843%	20	119	-52.727%
2026-07-14	0.5100	0.5100	0.5100	0.5100	-3.774%	4	102	-49.020%
2026-06-15	0.5300	0.5300	0.5300	0.5300	-49.524%	1	103	-50.943%
2026-06-08	1.0500	1.0500	1.0500	1.0500	+110.000%	7	104	-75.238%
2026-06-05	0.5000	0.5000	0.5000	0.5000	-35.065%	5	111	-48.000%
2026-06-03	0.7700	0.7700	0.7700	0.7700	+28.333%	1	116	-66.234%
2026-05-12	0.6000	0.6000	0.6000	0.6000	+15.385%	2	117	-56.667%
2026-05-11	0.5900	0.5900	0.5200	0.5200	-49.515%	2	119	-50.000%
2026-04-30	1.0300	1.0300	1.0300	1.0300	-2.830%	1	119	-74.757%
2026-04-28	1.0600	1.0600	1.0600	1.0600	+0.952%	1	120	-75.472%
2026-04-22	1.0500	1.0500	1.0500	1.0500	-22.794%	1	120	-75.238%
2026-04-17	1.3600	1.3600	1.3600	1.3600	+3.030%	1	120	-80.882%
2026-04-14	1.3200	1.3200	1.3200	1.3200	-45.455%	1	119	-80.303%
2026-03-30	2.4200	2.4200	2.4200	2.4200	+2.110%	1	119	-89.256%
2026-03-27	2.3700	2.3900	2.3700	2.3700	+12.857%	3	120	-89.030%
2026-03-23	2.1000	2.1000	2.1000	2.1000	0.000%	1	123	-87.619%
2026-03-19	2.1000	2.1000	2.1000	2.1000	+56.716%	1	123	-87.619%
2026-03-05	1.2300	1.3400	1.2300	1.3400	-29.474%	75	123	-80.597%
2026-03-03	1.9000	1.9000	1.9000	1.9000	+26.667%	1	109	-86.316%
2026-03-02	1.5000	1.5000	1.5000	1.5000	+25.000%	1	108	-82.667%
2026-02-24	1.2000	1.2000	1.2000	1.2000	0.000%	1	107	-78.333%
2026-02-13	1.2000	1.2000	1.2000	1.2000	-1.639%	1	105	-78.333%
2026-02-10	1.2000	1.2200	1.2000	1.2200	+10.909%	4	105	-78.689%
2026-02-09	1.1000	1.1000	1.1000	1.1000	0.000%	1	101	-76.364%
2026-02-04	1.1000	1.1000	1.1000	1.1000	-31.250%	1	102	-76.364%
2026-01-29	1.6000	1.6000	1.6000	1.6000	+18.519%	1	103	-83.750%
2026-01-26	1.3500	1.3500	1.3500	1.3500	0.000%	10	102	-80.741%
2026-01-22	1.3500	1.3500	1.3500	1.3500	-3.571%	1	112	-80.741%
2026-01-20	1.4000	1.4000	1.4000	1.4000	-10.256%	2	111	-81.429%
2026-01-15	1.5600	1.5600	1.5600	1.5600	+24.800%	1	109	-83.333%
2026-01-14	1.3900	1.4900	1.2500	1.2500	-2.344%	19	109	-79.200%
2026-01-09	1.2800	1.2800	1.2800	1.2800	-9.859%	1	100	-79.688%
2025-12-29	1.5600	1.5600	1.4200	1.4200	-11.250%	22	99	-81.690%
2025-12-22	1.6000	1.6000	1.6000	1.6000	-12.568%	1	100	-83.750%
2025-12-10	1.7200	1.8800	1.7200	1.8300	+3.390%	14	100	-85.792%
2025-12-09	1.6800	1.9300	1.6800	1.7700	+11.321%	32	104	-85.311%
2025-12-02	1.5900	1.5900	1.5900	1.5900	-26.047%	1	110	-83.648%
2025-11-19	2.1500	2.1500	2.1500	2.1500	-10.417%	1	109	-87.907%
2025-10-28	2.4000	2.4000	2.4000	2.4000	-4.000%	3	108	-89.167%
2025-10-17	2.5000	2.5000	2.5000	2.5000	-3.846%	1	105	-89.600%
2025-08-29	2.6000	2.6000	2.6000	2.6000	-38.095%	2	102	-90.000%
2025-08-06	4.2000	4.2000	4.2000	4.2000	+1.205%	2	102	-93.810%
2025-07-25	4.1500	4.1500	4.1500	4.1500	-32.956%	1	101	-93.735%
2025-06-04	6.1900	6.1900	6.1900	6.1900	+3.167%	1	103	-95.800%
2025-05-22	6.1000	6.1000	5.9500	6.0000	+7.143%	4	103	-95.667%
2025-05-16	5.6500	5.6500	5.6000	5.6000	-2.778%	4	101	-95.357%
2025-05-15	5.7600	5.7600	5.7600	5.7600	-23.200%	1	100	-95.486%
2025-05-05	7.5000	7.5000	7.5000	7.5000	+8.696%	25	99	-96.533%
2025-04-28	6.9000	6.9000	6.9000	6.9000	-19.298%	1	99	-96.232%
2025-04-21	8.5000	8.5500	8.5000	8.5500	+15.541%	2	98	-96.959%
2025-04-14	7.3500	7.4000	7.3500	7.4000	+23.333%	2	98	-96.486%
2025-04-09	7.7500	7.7500	6.0000	6.0000	-38.588%	10	98	-95.667%
2025-04-08	9.7700	9.7700	9.7700	9.7700	-1.809%	1	98	-97.339%
2025-04-07	11.0000	11.0000	9.9500	9.9500	+109.474%	10	98	-97.387%
2025-03-31	4.7500	4.7500	4.7500	4.7500	+5.556%	1	98	-94.526%
2025-03-21	4.5000	4.5000	4.5000	4.5000	-4.459%	4	97	-94.222%
2025-03-14	4.7100	4.7100	4.7100	4.7100	+4.667%	2	95	-94.480%
2025-02-06	4.5000	4.5000	4.5000	4.5000	-8.907%	2	94	-94.222%
2025-01-16	4.9400	4.9400	4.9400	4.9400	+11.512%	2	96	-94.737%
2024-12-02	4.4300	4.4300	4.4300	4.4300	-0.673%	1	94	-94.131%
2024-11-21	4.4600	4.4600	4.4600	4.4600	-10.800%	9	94	-94.170%
2024-11-12	5.0000	5.0000	5.0000	5.0000	-1.575%	1	94	-94.800%
2024-11-08	5.0800	5.0800	5.0800	5.0800	-28.652%	18	94	-94.882%
2024-11-05	7.1200	7.1200	7.1200	7.1200	+5.015%	1	94	-96.348%
2024-11-04	6.5000	6.7800	6.5000	6.7800	+12.438%	2	93	-96.165%
2024-11-01	6.0300	6.0300	6.0300	6.0300	+0.500%	2	92	-95.688%
2024-10-31	5.8500	6.0000	5.8500	6.0000	+2.564%	2	91	-95.667%
2024-10-25	5.8500	5.8500	5.8500	5.8500	0.000%	2	89	-95.556%
2024-10-24	5.8500	5.8500	5.8500	5.8500	+18.661%	1	88	-95.556%
2024-10-18	4.9300	4.9300	4.9300	4.9300	-8.534%	4	87	-94.726%
2024-10-16	5.3900	5.3900	5.3900	5.3900	+2.277%	1	87	-95.176%
2024-10-15	5.2700	5.2700	5.2700	5.2700	-9.450%	1	86	-95.066%
2024-10-14	5.7000	5.8200	5.5500	5.8200	+2.285%	4	85	-95.533%
2024-10-11	5.6900	5.6900	5.6900	5.6900	-4.690%	2	81	-95.431%
2024-10-10	5.9700	5.9700	5.9700	5.9700	-2.131%	1	80	-95.645%
2024-10-09	6.1000	6.1000	6.1000	6.1000	+0.164%	1	79	-95.738%
2024-10-08	6.0900	6.0900	6.0900	6.0900	0.000%	1	78	-95.731%
2024-10-07	6.0900	6.0900	6.0900	6.0900	-1.616%	1	77	-95.731%
2024-10-04	6.1900	6.1900	6.1900	6.1900	-3.130%	18	77	-95.800%
2024-10-03	6.3900	6.3900	6.3900	6.3900	+1.590%	1	68	-95.931%
2024-10-02	6.2900	6.2900	6.2900	6.2900	+1.452%	1	67	-95.866%
2024-10-01	6.2000	6.2000	6.2000	6.2000	+0.162%	1	66	-95.806%
2024-09-30	6.1900	6.1900	6.1900	6.1900	0.000%	1	65	-95.800%
2024-09-27	6.1900	6.1900	6.1900	6.1900	-5.496%	2	64	-95.800%
2024-09-26	6.5500	6.5500	6.5500	6.5500	+2.504%	1	63	-96.031%
2024-09-25	6.3900	6.3900	6.3900	6.3900	0.000%	1	63	-95.931%
2024-09-24	6.3900	6.3900	6.3900	6.3900	+4.754%	1	62	-95.931%
2024-09-23	6.1000	6.1000	6.1000	6.1000	-0.974%	1	62	-95.738%
2024-09-20	6.1600	6.1600	6.1600	6.1600	+1.650%	2	61	-95.779%
2024-09-19	6.0600	6.0600	6.0600	6.0600	-7.481%	1	60	-95.710%
2024-09-18	6.5500	6.5500	6.5500	6.5500	+2.504%	2	59	-96.031%
2024-09-17	6.3900	6.3900	6.3900	6.3900	-4.198%	1	58	-95.931%
2024-09-16	6.6700	6.6700	6.6700	6.6700	+1.832%	1	57	-96.102%
2024-09-13	6.5500	6.5500	6.5500	6.5500	-3.250%	2	56	-96.031%
2024-09-12	6.7700	6.7700	6.7700	6.7700	-0.441%	1	56	-96.160%
2024-09-11	6.8000	6.8000	6.8000	6.8000	+11.842%	1	55	-96.176%
2024-09-10	6.0800	6.0800	6.0800	6.0800	-3.492%	1	54	-95.724%
2024-09-09	6.1500	6.5500	6.1500	6.3000	-3.817%	13	53	-95.873%
2024-09-06	5.8500	6.5500	5.8500	6.5500	+7.377%	58	46	-96.031%
2024-09-05	5.8500	6.2000	5.4000	6.1000	+8.734%	20	30	-95.738%
2024-08-29	5.6100	5.6100	5.6100	5.6100	-4.103%	1	17	-95.365%
2024-08-28	5.6500	5.8500	5.6500	5.8500	+1.386%	3	16	-95.556%
2024-08-27	5.6000	5.7700	5.6000	5.7700	-1.368%	2	13	-95.494%
2024-08-26	5.9700	5.9700	5.6600	5.8500	-8.451%	5	13	-95.556%
2024-08-23	6.2000	6.3900	6.2000	6.3900	+3.065%	4	16	-95.931%
2024-08-22	6.2000	6.2000	6.2000	6.2000	+5.983%	1	14	-95.806%
2024-08-21	6.3600	6.3600	5.8500	5.8500	-3.465%	2	13	-95.556%
2024-08-20	6.0600	6.0600	6.0600	6.0600	-25.185%	1	13	-95.710%
2024-08-07	8.1000	8.1000	8.1000	8.1000	-12.903%	1	12	-96.790%
2024-08-06	9.3000	9.3000	9.3000	9.3000	-11.429%	2	11	-97.204%
2024-08-05	10.5000	10.5000	10.5000	10.5000	+28.362%	3	9	-97.524%
2024-08-02	8.1800	8.1800	8.1800	8.1800	+3.676%	2	7	-96.822%
2024-07-22	7.8900	7.8900	7.8900	7.8900	+20.274%	1	6	-96.705%
2024-07-18	6.5600	6.5600	6.5600	6.5600	-25.624%	2	5	-96.037%
2024-07-05	8.8700	8.8700	8.8200	8.8200	0.000%	6	3	-97.052%