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BIIB20261218C200
BIIB Dec 18 2026 200.00 Call (BIIB261218C00200000)
option OPRA

EOD

Jul 28, 2026

22.24-14.462%(-3.76)3

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-07-28	23.0000	23.0000	22.2400	22.2400	-14.462%	3	723	0.000%
2026-07-17	31.6000	31.6000	26.0000	26.0000	+5.263%	2	726	-14.462%
2026-07-16	24.7000	24.7000	24.7000	24.7000	+23.810%	1	727	-9.960%
2026-07-15	19.9500	19.9500	19.9500	19.9500	-31.040%	1	728	+11.479%
2026-07-13	28.9300	28.9300	28.9300	28.9300	-5.085%	1	727	-23.125%
2026-07-06	30.4800	30.4800	30.4800	30.4800	-6.560%	1	727	-27.034%
2026-07-02	32.2500	32.6200	32.2500	32.6200	+4.786%	21	726	-31.821%
2026-06-26	31.1300	31.1300	31.1300	31.1300	+51.854%	3	726	-28.558%
2026-06-08	20.5000	20.5000	20.5000	20.5000	-10.870%	10	726	+8.488%
2026-05-29	23.0000	23.0000	23.0000	23.0000	-3.280%	10	726	-3.304%
2026-05-27	23.7000	23.7800	23.6600	23.7800	+13.238%	5	726	-6.476%
2026-05-14	21.0000	21.0000	21.0000	21.0000	-16.000%	17	725	+5.905%
2026-05-12	23.9000	25.0000	23.9000	25.0000	+44.092%	15	723	-11.040%
2026-04-28	17.3500	17.3500	17.3500	17.3500	+5.793%	1	723	+28.184%
2026-04-27	18.9000	18.9000	16.0000	16.4000	+36.667%	430	723	+35.610%
2026-04-17	12.0000	12.0000	12.0000	12.0000	-0.415%	1	321	+85.333%
2026-04-13	12.0500	12.0500	12.0500	12.0500	-13.620%	1	321	+84.564%
2026-04-10	13.9500	13.9500	13.9500	13.9500	+34.135%	1	321	+59.427%
2026-04-06	10.5000	10.5000	10.4000	10.4000	-34.796%	16	321	+113.846%
2026-03-31	15.9500	15.9500	15.9500	15.9500	-30.349%	1	322	+39.436%
2026-03-27	22.9000	22.9000	22.9000	22.9000	+18.653%	2	322	-2.882%
2026-03-17	19.3000	19.3000	19.0000	19.3000	-31.802%	11	322	+15.233%
2026-02-23	28.3000	28.3000	28.3000	28.3000	-4.392%	1	321	-21.413%
2026-02-13	29.6000	29.6000	29.6000	29.6000	+2.104%	1	321	-24.865%
2026-02-09	30.2900	30.2900	28.9500	28.9900	+7.770%	8	321	-23.284%
2026-02-06	25.9500	26.9000	25.9500	26.9000	+79.333%	27	316	-17.323%
2026-01-27	15.0000	15.0000	15.0000	15.0000	+7.143%	30	316	+48.267%
2026-01-23	14.0000	14.0000	14.0000	14.0000	-15.510%	1	316	+58.857%
2025-12-31	16.5700	16.5700	16.5700	16.5700	-15.200%	1	315	+34.218%
2025-12-26	19.5400	19.5400	19.5400	19.5400	-2.300%	1	315	+13.818%
2025-12-10	20.0000	20.0000	20.0000	20.0000	-16.805%	1	315	+11.200%
2025-11-25	23.9000	24.6000	23.9000	24.0400	+7.321%	7	315	-7.488%
2025-11-24	22.4000	22.4000	22.4000	22.4000	+3.226%	2	311	-0.714%
2025-11-21	21.7000	21.7000	21.7000	21.7000	+14.211%	1	311	+2.488%
2025-11-18	19.0000	19.0000	19.0000	19.0000	+57.676%	11	310	+17.053%
2025-11-03	12.0500	12.0500	12.0500	12.0500	-1.391%	2	310	+84.564%
2025-10-31	11.2600	12.2200	11.2600	12.2200	-9.145%	3	310	+81.997%
2025-10-03	13.4500	13.4500	13.4500	13.4500	+58.235%	1	310	+65.353%
2025-10-01	7.7000	8.5000	7.7000	8.5000	+41.667%	6	310	+161.647%
2025-08-25	6.0000	6.0000	6.0000	6.0000	+5.263%	5	316	+270.667%
2025-08-11	5.7000	5.7000	5.7000	5.7000	-1.724%	4	311	+290.175%
2025-08-08	5.7000	5.8000	5.7000	5.8000	-1.695%	4	314	+283.448%
2025-08-07	5.9000	5.9000	5.9000	5.9000	-3.120%	11	311	+276.949%
2025-07-22	6.0900	6.0900	6.0900	6.0900	+5.000%	3	311	+265.189%
2025-07-18	5.8000	5.8000	5.8000	5.8000	-14.074%	1	308	+283.448%
2025-06-20	7.0900	7.0900	6.7500	6.7500	-5.594%	8	309	+229.481%
2025-06-18	7.0500	7.1500	6.9300	7.1500	-30.312%	14	314	+211.049%
2025-06-09	10.2600	10.2600	10.2600	10.2600	+0.984%	1	314	+116.764%
2025-05-30	10.1000	10.6000	10.1000	10.1600	+3.462%	26	314	+118.898%
2025-05-27	7.0000	9.8200	7.0000	9.8200	0.000%	15	315	+126.477%
2025-03-31	9.8200	9.8200	9.8200	9.8200	-10.727%	1	310	+126.477%
2025-03-28	11.0000	11.0000	11.0000	11.0000	-3.424%	10	310	+102.182%
2025-03-25	11.3900	11.3900	11.3900	11.3900	-13.053%	1	310	+95.259%
2025-03-14	13.1000	13.1000	13.1000	13.1000	-32.648%	2	309	+69.771%
2025-03-07	19.2000	19.4500	19.2000	19.4500	+27.124%	12	309	+14.344%
2025-03-04	15.3000	15.3000	15.3000	15.3000	+10.870%	4	308	+45.359%
2025-02-06	13.8000	13.8000	13.8000	13.8000	-35.514%	1	308	+61.159%
2024-12-31	21.4000	21.4000	21.4000	21.4000	+4.086%	2	311	+3.925%
2024-12-19	20.5600	20.5600	20.5600	20.5600	-13.686%	1	311	+8.171%
2024-12-10	23.8200	23.8200	23.8200	23.8200	-5.850%	1	311	-6.633%
2024-12-04	25.3000	25.3000	25.3000	25.3000	-1.095%	5	311	-12.095%
2024-11-21	25.5800	25.5800	25.5800	25.5800	-6.300%	1	316	-13.057%
2024-11-13	27.0000	27.3000	26.4000	27.3000	-20.175%	898	316	-18.535%
2024-11-06	34.2000	34.2000	34.2000	34.2000	-1.724%	1	912	-34.971%
2024-11-01	34.8000	34.8000	34.8000	34.8000	-0.996%	4	911	-36.092%
2024-10-31	35.1500	35.1500	35.1500	35.1500	-21.889%	1	911	-36.728%
2024-10-16	45.0000	45.0000	45.0000	45.0000	+4.651%	4	912	-50.578%
2024-10-15	43.0000	43.0000	43.0000	43.0000	+16.216%	3	908	-48.279%
2024-10-09	37.0000	37.0000	37.0000	37.0000	-2.632%	1	908	-39.892%
2024-10-03	38.0000	38.0000	38.0000	38.0000	-5.237%	1	907	-41.474%
2024-10-02	40.1000	40.1000	40.1000	40.1000	-2.906%	2	906	-44.539%
2024-09-26	39.3000	41.3000	39.3000	41.3000	+6.443%	490	904	-46.150%
2024-09-25	40.0000	40.0000	38.8000	38.8000	-8.274%	2	417	-42.680%
2024-09-24	42.6000	42.6000	42.3000	42.3000	-6.000%	7	417	-47.423%
2024-09-20	45.0000	45.0000	45.0000	45.0000	-7.522%	2	415	-50.578%
2024-09-19	48.0000	50.0000	47.3100	48.6600	-2.680%	412	414	-54.295%
2024-09-03	50.0000	50.0000	50.0000	50.0000	-4.943%	1	2	-55.520%
2024-08-26	52.6000	52.6000	52.6000	52.6000	-0.699%	1	3	-57.719%
2024-08-20	52.9700	52.9700	52.9700	52.9700	-0.991%	1	2	-58.014%
2024-08-06	53.5000	53.5000	53.5000	53.5000	0.000%	1	1	-58.430%