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BRKB20260918P445
BRK.B Sep 18 2026 445.00 Put (BRKB260918P00445000)
option OPRA

EOD

Aug 27, 2026

0.2400-7.692%(-0.0200)13

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-08-27	0.2300	0.2500	0.2300	0.2400	-7.692%	13	1,357	0.000%
2026-08-26	0.2500	0.2600	0.2400	0.2600	0.000%	62	1,370	-7.692%
2026-08-25	0.2600	0.2800	0.2600	0.2600	-7.143%	16	1,378	-7.692%
2026-08-24	0.2700	0.2800	0.2600	0.2800	-22.222%	26	1,390	-14.286%
2026-08-21	0.3200	0.3600	0.3200	0.3600	-5.263%	5	1,403	-33.333%
2026-08-20	0.3500	0.3800	0.3000	0.3800	+8.571%	21	1,402	-36.842%
2026-08-18	0.3500	0.3500	0.3500	0.3500	0.000%	2	1,392	-31.429%
2026-08-17	0.3700	0.4100	0.3400	0.3500	-2.778%	25	1,391	-31.429%
2026-08-14	0.4500	0.4600	0.3500	0.3600	-23.404%	219	1,408	-33.333%
2026-08-13	0.4600	0.5100	0.4600	0.4700	-2.083%	3	1,343	-48.936%
2026-08-12	0.4500	0.4800	0.4500	0.4800	+6.667%	6	1,343	-50.000%
2026-08-11	0.4500	0.5000	0.4500	0.4500	+7.143%	4	1,343	-46.667%
2026-08-10	0.4500	0.4500	0.4200	0.4200	-30.000%	8	1,344	-42.857%
2026-08-06	0.5900	0.6000	0.5900	0.6000	-11.765%	28	1,343	-60.000%
2026-08-05	0.7000	0.7000	0.6800	0.6800	-9.333%	2	1,345	-64.706%
2026-08-03	0.7300	0.8000	0.7300	0.7500	-6.250%	30	1,344	-68.000%
2026-07-31	0.9600	0.9700	0.8000	0.8000	-23.077%	131	1,374	-70.000%
2026-07-30	1.1600	1.2200	1.0300	1.0400	-3.704%	36	1,450	-76.923%
2026-07-29	1.0300	1.1200	1.0300	1.0800	+1.887%	33	1,479	-77.778%
2026-07-28	1.2000	1.2000	1.0500	1.0600	-33.333%	75	1,506	-77.358%
2026-07-24	1.4200	1.6100	1.4200	1.5900	-18.878%	47	1,492	-84.906%
2026-07-22	1.8300	1.9600	1.8300	1.9600	+4.255%	25	1,450	-87.755%
2026-07-21	1.7900	1.8800	1.7900	1.8800	+7.429%	16	1,445	-87.234%
2026-07-20	1.7500	1.7500	1.7500	1.7500	-10.714%	1	1,431	-86.286%
2026-07-17	1.6000	1.9900	1.6000	1.9600	+0.513%	15	1,430	-87.755%
2026-07-16	2.0200	2.2000	1.9500	1.9500	-3.941%	5	1,425	-87.692%
2026-07-15	1.9700	2.0300	1.9700	2.0300	+8.556%	4	1,426	-88.177%
2026-07-14	1.9000	1.9000	1.8700	1.8700	+10.000%	3	1,423	-87.166%
2026-07-13	1.6300	1.8800	1.6000	1.7000	-14.141%	25	1,422	-85.882%
2026-07-10	2.0900	2.1000	1.9700	1.9800	-4.808%	38	1,446	-87.879%
2026-07-09	2.0700	2.0800	2.0700	2.0800	+18.857%	5	1,463	-88.462%
2026-07-08	1.7400	1.7500	1.7400	1.7500	+32.576%	5	1,462	-86.286%
2026-07-07	1.3200	1.3200	1.3200	1.3200	-6.383%	2	1,457	-81.818%
2026-07-06	1.4700	1.5700	1.4100	1.4100	-17.059%	6	1,457	-82.979%
2026-07-02	1.7000	1.7000	1.7000	1.7000	-3.409%	30	1,459	-85.882%
2026-07-01	1.8800	1.8800	1.7600	1.7600	-24.786%	2	1,459	-86.364%
2026-06-30	2.1200	2.3400	2.0500	2.3400	+1.739%	9	1,459	-89.744%
2026-06-29	2.2400	2.3000	2.1700	2.3000	-15.129%	9	1,453	-89.565%
2026-06-26	2.7100	2.7100	2.7100	2.7100	-21.449%	1	1,448	-91.144%
2026-06-25	2.6500	3.4500	2.6500	3.4500	+36.905%	10	1,447	-93.043%
2026-06-24	2.5700	2.5700	2.3300	2.5200	-14.576%	54	1,440	-90.476%
2026-06-23	2.6800	2.9500	2.6000	2.9500	0.000%	7	1,412	-91.864%
2026-06-22	2.8800	2.9500	2.8800	2.9500	-15.714%	2	1,411	-91.864%
2026-06-18	3.3000	3.5000	3.2700	3.5000	0.000%	26	1,410	-93.143%
2026-06-17	3.1500	3.5000	3.1500	3.5000	+16.667%	11	1,410	-93.143%
2026-06-16	2.8000	3.0100	2.6900	3.0000	-3.226%	5	1,400	-92.000%
2026-06-15	3.8000	3.8000	2.8100	3.1000	-28.736%	11	1,400	-92.258%
2026-06-12	4.3500	4.3500	4.3500	4.3500	-15.534%	2	1,401	-94.483%
2026-06-11	5.1500	5.1500	5.1500	5.1500	+5.967%	2	1,403	-95.340%
2026-06-10	4.1700	4.8600	4.1700	4.8600	+4.516%	4	1,403	-95.062%
2026-06-09	4.3100	4.6500	4.2400	4.6500	+4.966%	3	1,404	-94.839%
2026-06-08	4.1000	4.4300	4.1000	4.4300	+10.750%	58	1,404	-94.582%
2026-06-05	4.5300	4.5300	4.0000	4.0000	-27.273%	10	1,353	-94.000%
2026-06-04	5.7600	5.7600	5.5000	5.5000	-16.667%	18	1,345	-95.636%
2026-06-03	6.6000	6.6000	6.6000	6.6000	-8.966%	20	1,359	-96.364%
2026-06-02	7.4900	7.4900	7.2500	7.2500	-0.685%	2	1,359	-96.690%
2026-06-01	6.7700	7.8000	6.7700	7.3000	+17.742%	10	1,360	-96.712%
2026-05-29	5.9000	6.2000	5.9000	6.2000	+14.180%	27	1,364	-96.129%
2026-05-28	5.4000	5.5500	5.3000	5.4300	+3.429%	16	1,358	-95.580%
2026-05-27	4.5100	5.2500	4.5100	5.2500	+12.903%	56	1,346	-95.429%
2026-05-26	4.7500	4.8000	4.6500	4.6500	+3.563%	13	1,346	-94.839%
2026-05-22	5.2300	5.2300	4.4900	4.4900	-23.898%	32	1,341	-94.655%
2026-05-21	6.0000	6.0000	5.8500	5.9000	-1.667%	20	1,324	-95.932%
2026-05-20	6.1000	6.1100	5.8800	6.0000	+23.711%	54	1,324	-96.000%
2026-05-19	4.8500	4.8500	4.8500	4.8500	-12.297%	2	1,288	-95.052%
2026-05-18	5.5300	5.5300	5.5300	5.5300	+4.340%	1	1,288	-95.660%
2026-05-15	5.2500	5.3500	5.2500	5.3000	+0.952%	11	1,288	-95.472%
2026-05-14	5.2500	5.2500	5.2500	5.2500	+5.000%	1	1,288	-95.429%
2026-05-13	5.2500	5.2500	5.0000	5.0000	-1.961%	41	1,297	-95.200%
2026-05-12	5.5000	5.6000	5.1000	5.1000	-29.167%	27	1,297	-95.294%
2026-05-07	7.7000	8.0000	7.0000	7.2000	-15.394%	67	1,297	-96.667%
2026-05-06	8.5100	8.5100	8.5100	8.5100	-8.495%	1	1,338	-97.180%
2026-05-05	9.2000	9.6500	9.2000	9.3000	+1.087%	9	1,338	-97.419%
2026-05-04	7.5000	9.3000	6.8500	9.2000	+8.235%	37	1,331	-97.391%
2026-05-01	8.0000	8.5000	7.6500	8.5000	+2.410%	44	1,356	-97.176%
2026-04-30	9.0500	9.0500	8.0500	8.3000	+3.106%	39	1,356	-97.108%
2026-04-29	8.2000	8.2500	8.0500	8.0500	-1.227%	7	1,344	-97.019%
2026-04-28	8.4000	8.4000	7.8500	8.1500	-9.945%	14	1,351	-97.055%
2026-04-27	9.0000	9.0500	9.0000	9.0500	-10.837%	2	1,337	-97.348%
2026-04-24	10.2000	10.2000	10.1500	10.1500	+5.729%	3	1,337	-97.635%
2026-04-23	9.9000	10.6000	9.4500	9.6000	-16.157%	228	1,340	-97.500%
2026-04-22	10.0500	11.4500	10.0500	11.4500	+11.707%	35	1,337	-97.904%
2026-04-21	9.3500	10.2500	9.2000	10.2500	+7.895%	19	1,334	-97.659%
2026-04-20	8.9000	9.5500	8.7500	9.5000	+12.426%	286	1,326	-97.474%
2026-04-17	8.7000	8.8000	8.0000	8.4500	-15.500%	77	1,177	-97.160%
2026-04-16	9.3500	10.0500	9.3500	10.0000	+9.051%	22	1,193	-97.600%
2026-04-15	9.4000	9.5000	9.0000	9.1700	+0.219%	25	1,188	-97.383%
2026-04-14	8.7500	9.1500	8.7500	9.1500	+3.390%	5	1,208	-97.377%
2026-04-13	9.3500	9.6500	8.8500	8.8500	-7.330%	24	1,207	-97.288%
2026-04-10	9.4300	9.7500	9.3000	9.5500	+9.770%	76	1,219	-97.487%
2026-04-09	9.7500	9.7500	8.6500	8.7000	-15.942%	20	1,181	-97.241%
2026-04-08	10.6500	10.6500	10.1000	10.3500	-13.171%	18	1,164	-97.681%
2026-04-07	11.8500	11.9200	11.8500	11.9200	-4.257%	9	1,152	-97.987%
2026-04-06	12.1500	12.4500	12.1500	12.4500	-4.231%	13	1,149	-98.072%
2026-04-02	13.0000	13.0000	13.0000	13.0000	+3.175%	3	1,149	-98.154%
2026-04-01	12.6400	12.7500	12.1000	12.6000	-7.692%	34	1,149	-98.095%
2026-03-31	13.6500	13.6500	13.6500	13.6500	-11.075%	8	1,147	-98.242%
2026-03-30	14.9000	15.3500	14.3000	15.3500	-9.918%	29	1,149	-98.436%
2026-03-27	14.6500	17.0400	14.6500	17.0400	+17.924%	82	1,131	-98.592%
2026-03-26	14.1000	14.4500	14.1000	14.4500	+12.451%	4	1,066	-98.339%
2026-03-25	13.1000	13.2000	12.8500	12.8500	-2.652%	46	1,066	-98.132%
2026-03-24	12.5000	13.2000	12.2000	13.2000	+4.348%	57	1,022	-98.182%
2026-03-23	13.0000	13.3000	12.4000	12.6500	-0.394%	86	999	-98.103%
2026-03-20	12.3500	13.3000	12.0500	12.7000	-3.861%	61	929	-98.110%
2026-03-19	12.1500	13.2100	12.1500	13.2100	+12.044%	84	883	-98.183%
2026-03-18	11.9100	11.9100	11.5600	11.7900	+16.733%	8	802	-97.964%
2026-03-17	10.2500	10.4000	10.1000	10.1000	-5.164%	33	798	-97.624%
2026-03-16	10.6500	10.6500	10.6500	10.6500	-3.182%	4	786	-97.746%
2026-03-13	11.1000	11.1500	11.0000	11.0000	+4.265%	7	782	-97.818%
2026-03-12	10.1200	10.7000	10.1000	10.5500	+7.653%	375	778	-97.725%
2026-03-11	9.8000	9.8000	9.8000	9.8000	0.000%	6	520	-97.551%
2026-03-10	10.0000	10.0000	9.8000	9.8000	+3.158%	36	514	-97.551%
2026-03-09	10.0000	10.3500	9.5000	9.5000	-5.473%	115	510	-97.474%
2026-03-06	9.3800	10.0500	9.3800	10.0500	+13.946%	6	399	-97.612%
2026-03-05	8.9500	8.9500	8.8200	8.8200	-13.103%	24	399	-97.279%
2026-03-04	11.6000	11.6000	10.1500	10.1500	-17.480%	97	410	-97.635%
2026-03-03	13.5000	13.7000	12.0500	12.3000	+6.957%	46	314	-98.049%
2026-03-02	10.9000	12.0000	10.7500	11.5000	+43.750%	22	275	-97.913%
2026-02-27	7.6500	8.0000	7.3500	8.0000	+8.108%	82	276	-97.000%
2026-02-26	7.9000	8.0500	7.4000	7.4000	-22.513%	138	206	-96.757%
2026-02-24	9.8500	9.8500	9.2000	9.5500	+9.143%	5	84	-97.487%
2026-02-20	9.0000	9.0000	8.7500	8.7500	-6.915%	10	81	-97.257%
2026-02-19	9.4000	9.4000	9.4000	9.4000	+7.429%	1	72	-97.447%
2026-02-18	7.9000	8.7500	7.9000	8.7500	+9.102%	3	71	-97.257%
2026-02-17	8.0200	8.0200	8.0200	8.0200	-5.647%	10	69	-97.007%
2026-02-13	8.9500	8.9500	8.5000	8.5000	+8.280%	5	57	-97.176%
2026-02-12	7.8500	7.8500	7.8500	7.8500	-7.101%	1	57	-96.943%
2026-02-09	8.4500	8.4500	8.4500	8.4500	+13.423%	1	56	-97.160%
2026-02-06	7.7000	7.7000	7.4500	7.4500	-42.023%	38	55	-96.779%
2026-01-29	12.8500	12.8500	12.8500	12.8500	+4.898%	1	17	-98.132%
2026-01-28	12.2500	12.2500	12.2500	12.2500	+15.240%	1	16	-98.041%
2026-01-26	10.7200	10.7200	10.6300	10.6300	+0.283%	9	15	-97.742%
2026-01-23	10.6000	10.6000	10.6000	10.6000	-2.484%	1	6	-97.736%
2026-01-21	10.8000	11.1200	10.8000	10.8700	+0.929%	3	5	-97.792%
2026-01-20	10.2500	10.7900	10.2500	10.7700	0.000%	4	3	-97.772%