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BRKB20260918P400
BRK.B Sep 18 2026 400.00 Put (BRKB260918P00400000)
option OPRA

EOD

Aug 25, 2026

0.1500-25.000%(-0.0500)11

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-08-25	0.1500	0.1500	0.1500	0.1500	-25.000%	11	1,348	0.000%
2026-08-24	0.1300	0.2000	0.1300	0.2000	+11.111%	7	1,338	-25.000%
2026-08-21	0.1600	0.1800	0.1100	0.1800	+50.000%	150	1,339	-16.667%
2026-08-20	0.1400	0.1500	0.1100	0.1200	+20.000%	22	1,199	+25.000%
2026-08-19	0.1000	0.1000	0.1000	0.1000	-23.077%	6	1,207	+50.000%
2026-08-18	0.1500	0.1700	0.1200	0.1300	-27.778%	14	1,207	+15.385%
2026-08-14	0.2600	0.2600	0.1800	0.1800	-30.769%	12	1,208	-16.667%
2026-08-13	0.2400	0.2800	0.2400	0.2600	-13.333%	39	1,207	-42.308%
2026-08-11	0.2700	0.3000	0.2000	0.3000	+3.448%	4	1,207	-50.000%
2026-08-10	0.2900	0.2900	0.2800	0.2900	-17.143%	12	1,207	-48.276%
2026-08-06	0.3500	0.3500	0.3500	0.3500	+16.667%	1	1,217	-57.143%
2026-08-05	0.2200	0.3300	0.2200	0.3000	-3.226%	7	1,216	-50.000%
2026-07-31	0.3800	0.4000	0.2900	0.3100	-35.417%	24	1,210	-51.613%
2026-07-30	0.4800	0.4800	0.4800	0.4800	+2.128%	2	1,190	-68.750%
2026-07-29	0.4800	0.4800	0.4700	0.4700	-11.321%	28	1,192	-68.085%
2026-07-28	0.5200	0.5300	0.5200	0.5300	-14.516%	4	1,219	-71.698%
2026-07-23	0.6200	0.6200	0.6200	0.6200	-6.061%	4	1,223	-75.806%
2026-07-22	0.5500	0.6600	0.5500	0.6600	-2.941%	4	1,219	-77.273%
2026-07-17	0.6800	0.6800	0.6800	0.6800	+4.615%	1	1,221	-77.941%
2026-07-16	0.6500	0.6500	0.6500	0.6500	-12.162%	3	1,221	-76.923%
2026-07-15	0.7500	0.7500	0.7400	0.7400	+23.333%	2	1,222	-79.730%
2026-07-13	0.6000	0.6000	0.6000	0.6000	-15.493%	2	1,221	-75.000%
2026-07-10	0.8100	0.8100	0.7100	0.7100	+12.698%	5	1,221	-78.873%
2026-07-08	0.5400	0.6700	0.5400	0.6300	+250.000%	8	1,220	-76.190%
2026-07-07	0.1800	0.1800	0.1800	0.1800	-64.000%	5	1,214	-16.667%
2026-07-06	0.4500	0.5600	0.4500	0.5000	-16.667%	10	1,214	-70.000%
2026-07-01	0.6300	0.6300	0.6000	0.6000	-18.919%	3	1,217	-75.000%
2026-06-30	0.6500	0.7400	0.6500	0.7400	+13.846%	18	1,219	-79.730%
2026-06-29	0.6500	0.6500	0.6500	0.6500	-13.333%	1	1,211	-76.923%
2026-06-26	0.8000	0.8000	0.7500	0.7500	-21.053%	22	1,211	-80.000%
2026-06-25	0.8500	0.9500	0.8400	0.9500	+55.738%	19	1,211	-84.211%
2026-06-24	0.6400	0.6500	0.6100	0.6100	-10.294%	10	1,195	-75.410%
2026-06-23	0.6800	0.6800	0.6800	0.6800	-15.000%	2	1,190	-77.941%
2026-06-18	0.8200	0.8200	0.8000	0.8000	-4.762%	8	1,200	-81.250%
2026-06-17	0.8400	0.8400	0.8400	0.8400	+20.000%	52	1,200	-82.143%
2026-06-16	0.8000	0.8000	0.7000	0.7000	-12.500%	45	1,148	-78.571%
2026-06-15	0.7700	0.8000	0.7700	0.8000	-32.773%	10	1,106	-81.250%
2026-06-12	1.1600	1.2300	1.1600	1.1900	+3.478%	37	1,107	-87.395%
2026-06-09	1.1500	1.1500	1.1500	1.1500	-0.862%	1	1,096	-86.957%
2026-06-08	1.0900	1.2700	1.0900	1.1600	+3.571%	9	1,096	-87.069%
2026-06-05	1.1000	1.1200	1.1000	1.1200	-15.789%	11	1,100	-86.607%
2026-06-04	1.3300	1.3300	1.2300	1.3300	-14.744%	19	1,103	-88.722%
2026-06-03	1.5900	1.5900	1.5600	1.5600	-13.812%	6	1,121	-90.385%
2026-06-01	1.6600	1.8100	1.6600	1.8100	+18.301%	3	1,121	-91.713%
2026-05-29	1.6000	1.6000	1.5300	1.5300	+8.511%	8	1,119	-90.196%
2026-05-27	1.3500	1.4100	1.3500	1.4100	+13.710%	2	1,114	-89.362%
2026-05-26	1.2400	1.2400	1.2400	1.2400	-10.145%	1	1,114	-87.903%
2026-05-22	1.3900	1.3900	1.3800	1.3800	+2.222%	2	1,114	-89.130%
2026-05-19	1.3500	1.3500	1.3500	1.3500	-3.571%	2	1,114	-88.889%
2026-05-18	1.3900	1.4000	1.3900	1.4000	-12.500%	10	1,116	-89.286%
2026-05-15	1.6100	1.6100	1.4800	1.6000	+10.345%	17	1,116	-90.625%
2026-05-14	1.4500	1.4500	1.4500	1.4500	+5.839%	3	1,110	-89.655%
2026-05-13	1.5600	1.5600	1.3700	1.3700	-25.543%	147	1,223	-89.051%
2026-05-11	1.8800	1.8800	1.8400	1.8400	-14.419%	3	1,223	-91.848%
2026-05-07	2.0700	2.1500	2.0700	2.1500	-14.000%	18	1,222	-93.023%
2026-05-05	2.5100	2.5100	2.4000	2.5000	+2.459%	24	1,222	-94.000%
2026-05-04	2.0000	2.5500	2.0000	2.4400	-8.614%	3	1,216	-93.852%
2026-04-30	2.6700	2.6700	2.6700	2.6700	+5.118%	1	1,215	-94.382%
2026-04-28	2.5400	2.5400	2.5400	2.5400	-30.411%	4	1,215	-94.094%
2026-04-22	3.3600	3.6500	3.3500	3.6500	+15.873%	17	1,215	-95.890%
2026-04-21	3.1000	3.2500	3.1000	3.1500	0.000%	6	1,203	-95.238%
2026-04-20	3.0900	3.1500	3.0000	3.1500	+5.000%	545	1,203	-95.238%
2026-04-17	2.8800	3.0000	2.8400	3.0000	-14.286%	5	722	-95.000%
2026-04-16	3.4000	3.5500	3.4000	3.5000	+4.478%	79	722	-95.714%
2026-04-15	3.4000	3.4000	3.3500	3.3500	+1.515%	3	712	-95.522%
2026-04-14	3.3000	3.3000	3.2500	3.3000	-7.042%	6	710	-95.455%
2026-04-10	3.8000	3.8500	3.5500	3.5500	-1.389%	30	705	-95.775%
2026-04-09	4.3000	4.3000	3.5400	3.6000	-4.000%	145	682	-95.833%
2026-04-08	3.9000	3.9000	3.7500	3.7500	-22.680%	31	708	-96.000%
2026-04-07	4.9500	4.9500	4.8500	4.8500	-10.185%	35	677	-96.907%
2026-04-02	5.0000	5.4000	5.0000	5.4000	+2.857%	17	637	-97.222%
2026-04-01	5.6000	5.6000	5.2500	5.2500	-14.634%	3	637	-97.143%
2026-03-31	6.1500	6.1500	6.1500	6.1500	-15.172%	2	638	-97.561%
2026-03-27	6.6000	7.2500	6.6000	7.2500	+35.514%	14	638	-97.931%
2026-03-25	5.3500	5.3500	5.3500	5.3500	-1.835%	2	642	-97.196%
2026-03-24	5.4500	5.4500	5.4500	5.4500	-6.034%	1	642	-97.248%
2026-03-20	5.6000	5.8000	5.6000	5.8000	+24.464%	2	641	-97.414%
2026-03-18	4.6600	4.6600	4.6600	4.6600	-6.800%	2	639	-96.781%
2026-03-13	4.6000	5.0000	4.5500	5.0000	+9.890%	82	639	-97.000%
2026-03-12	4.0500	4.5500	4.0500	4.5500	+10.437%	4	635	-96.703%
2026-03-11	4.1000	4.1500	4.1000	4.1200	+3.000%	10	634	-96.359%
2026-03-09	4.0000	4.0000	4.0000	4.0000	-6.977%	10	630	-96.250%
2026-03-06	4.0500	4.3500	4.0500	4.3000	+13.158%	53	621	-96.512%
2026-03-05	3.6000	3.9000	3.6000	3.8000	-28.302%	98	602	-96.053%
2026-03-03	5.6000	5.6000	5.2100	5.3000	+17.778%	7	572	-97.170%
2026-03-02	4.3900	4.8400	4.2000	4.5000	+34.328%	17	569	-96.667%
2026-02-27	3.2500	3.3500	3.2000	3.3500	-18.293%	5	559	-95.522%
2026-02-24	3.9000	4.1000	3.8000	4.1000	+12.329%	4	559	-96.341%
2026-02-23	3.4500	3.6500	3.4500	3.6500	+2.817%	3	557	-95.890%
2026-02-20	3.5500	3.5500	3.5500	3.5500	-10.127%	2	556	-95.775%
2026-02-19	3.9500	3.9500	3.9500	3.9500	+6.757%	1	557	-96.203%
2026-02-18	3.2300	3.7000	3.2300	3.7000	+1.370%	3	557	-95.946%
2026-02-13	3.6500	3.6500	3.6500	3.6500	+22.896%	4	555	-95.890%
2026-02-06	3.5000	3.5000	2.8300	2.9700	-8.615%	6	555	-94.949%
2026-02-05	3.2500	3.2500	3.2500	3.2500	-29.348%	3	560	-95.385%
2026-01-28	4.5300	4.6000	4.5000	4.6000	+4.545%	6	563	-96.739%
2026-01-27	4.0000	4.4000	4.0000	4.4000	+4.762%	7	563	-96.591%
2026-01-23	4.2500	4.3000	4.1500	4.2000	-1.176%	74	560	-96.429%
2026-01-22	3.9500	4.3000	3.9500	4.2500	+6.250%	30	545	-96.471%
2026-01-21	4.0000	4.0000	4.0000	4.0000	+14.943%	1	536	-96.250%
2026-01-12	3.4800	3.4800	3.4800	3.4800	-5.946%	1	536	-95.690%
2026-01-07	3.6300	3.7000	3.6300	3.7000	-4.639%	11	536	-95.946%
2026-01-02	3.8800	3.8800	3.8800	3.8800	+3.467%	3	526	-96.134%
2025-12-29	3.7000	3.7500	3.7000	3.7500	-6.250%	2	524	-96.000%
2025-12-26	4.0000	4.0000	4.0000	4.0000	+6.101%	5	523	-96.250%
2025-12-19	3.7700	3.7700	3.7700	3.7700	-8.049%	1	523	-96.021%
2025-12-12	4.2000	4.2000	4.1000	4.1000	-8.889%	3	523	-96.341%
2025-12-08	4.5000	4.5000	4.5000	4.5000	+13.350%	1	523	-96.667%
2025-12-02	3.9700	3.9700	3.9700	3.9700	+0.506%	1	524	-96.222%
2025-11-26	3.9500	3.9500	3.9500	3.9500	-3.659%	1	524	-96.203%
2025-11-25	4.1000	4.1000	4.1000	4.1000	-21.154%	2	524	-96.341%
2025-11-21	5.2000	5.2000	5.2000	5.2000	+4.000%	2	526	-97.115%
2025-11-20	5.0000	5.0000	5.0000	5.0000	-6.542%	1	526	-97.000%
2025-11-19	5.3500	5.3500	5.3500	5.3500	+17.582%	2	525	-97.196%
2025-11-17	4.5900	4.5900	4.5500	4.5500	+10.706%	2	525	-96.703%
2025-11-14	4.1100	4.1100	4.1100	4.1100	-0.964%	2	525	-96.350%
2025-11-13	4.2000	4.2500	4.0000	4.1500	-4.598%	25	525	-96.386%
2025-11-12	4.6500	4.6500	4.3500	4.3500	-13.861%	2	543	-96.552%
2025-11-10	5.0500	5.0500	5.0500	5.0500	-0.980%	2	545	-97.030%
2025-11-07	5.1500	5.1500	5.1000	5.1000	-5.204%	22	543	-97.059%
2025-11-06	5.3800	5.3800	5.3800	5.3800	-9.580%	1	521	-97.212%
2025-11-04	5.9500	5.9500	5.9500	5.9500	-18.044%	2	521	-97.479%
2025-11-03	7.1000	7.2600	7.1000	7.2600	+0.833%	2	521	-97.934%
2025-10-31	7.2000	7.2000	7.2000	7.2000	-1.639%	24	521	-97.917%
2025-10-29	7.3500	7.3500	7.3200	7.3200	+26.207%	3	508	-97.951%
2025-10-27	6.1000	6.1000	5.8000	5.8000	-6.902%	3	505	-97.414%
2025-10-20	6.2300	6.2300	6.2300	6.2300	+5.593%	1	505	-97.592%
2025-10-09	5.9000	5.9000	5.9000	5.9000	+4.056%	1	504	-97.458%
2025-10-08	5.7500	5.7500	5.6700	5.6700	-3.898%	12	503	-97.354%
2025-10-06	5.9000	5.9000	5.9000	5.9000	-3.279%	1	503	-97.458%
2025-10-03	6.1000	6.1000	6.1000	6.1000	-6.154%	2	502	-97.541%
2025-10-01	6.4000	6.5000	6.4000	6.5000	+2.362%	15	500	-97.692%
2025-09-29	6.3500	6.3500	6.3500	6.3500	-5.926%	2	488	-97.638%
2025-09-25	6.7500	6.7500	6.7500	6.7500	-5.594%	10	486	-97.778%
2025-09-24	7.1000	7.1500	7.1000	7.1500	+5.613%	6	476	-97.902%
2025-09-23	6.7400	6.7800	6.7400	6.7700	-5.710%	6	477	-97.784%
2025-09-16	7.1800	7.1800	7.1800	7.1800	+4.209%	5	472	-97.911%
2025-09-12	6.9000	6.9000	6.8900	6.8900	-4.306%	4	472	-97.823%
2025-09-10	7.4000	7.4000	7.2000	7.2000	+2.128%	2	476	-97.917%
2025-09-09	7.2200	7.2200	7.0500	7.0500	+5.224%	2	476	-97.872%
2025-09-08	6.7000	6.7000	6.7000	6.7000	+0.752%	2	475	-97.761%
2025-09-05	6.6000	6.7300	6.6000	6.6500	-2.206%	5	477	-97.744%
2025-09-03	6.8000	6.8000	6.8000	6.8000	+0.741%	400	475	-97.794%
2025-09-02	6.7500	6.7500	6.7500	6.7500	-2.174%	16	75	-97.778%
2025-08-27	6.9000	6.9000	6.9000	6.9000	-23.418%	1	60	-97.826%
2025-08-15	8.9000	9.0100	8.9000	9.0100	-14.597%	2	60	-98.335%
2025-08-08	10.5000	10.5500	10.5000	10.5500	-6.637%	12	60	-98.578%
2025-08-07	11.3000	11.3000	11.3000	11.3000	+10.244%	1	50	-98.673%
2025-08-06	10.2500	10.2500	10.2500	10.2500	-4.651%	6	49	-98.537%
2025-08-05	11.0000	11.0000	10.7500	10.7500	-9.664%	2	43	-98.605%
2025-08-04	11.9000	11.9000	11.9000	11.9000	+2.586%	6	42	-98.739%
2025-08-01	11.6000	11.6000	11.6000	11.6000	+7.407%	7	37	-98.707%
2025-07-30	10.8000	10.8000	10.8000	10.8000	+9.201%	1	30	-98.611%
2025-07-29	9.7500	9.8900	9.7500	9.8900	+4.656%	8	29	-98.483%
2025-07-24	9.4500	9.4500	9.4500	9.4500	-19.915%	1	26	-98.413%
2025-07-16	11.2000	11.8000	11.2000	11.8000	+2.165%	19	25	-98.729%
2025-07-15	11.5000	11.5500	11.5000	11.5500	+6.944%	2	7	-98.701%
2025-07-03	10.8000	10.8000	10.8000	10.8000	-5.263%	2	7	-98.611%
2025-07-02	11.3000	11.4000	11.3000	11.4000	-0.262%	3	7	-98.684%
2025-06-30	11.4300	11.4300	11.4300	11.4300	-3.136%	2	4	-98.688%
2025-06-13	11.8000	11.8000	11.8000	11.8000	0.000%	4	2	-98.729%