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MARA20260918P4
MARA Sep 18 2026 4.00 Put (MARA260918P00004000)
option OPRA

EOD

Aug 19, 2026

0.0200-50.000%(-0.0200)2

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-08-19	0.0100	0.0200	0.0100	0.0200	-50.000%	2	21,131	0.000%
2026-08-18	0.0200	0.0400	0.0100	0.0400	+300.000%	13	21,130	-50.000%
2026-08-17	0.0200	0.0200	0.0100	0.0100	-50.000%	15	21,123	+100.000%
2026-08-13	0.0200	0.0200	0.0200	0.0200	+100.000%	2	21,108	0.000%
2026-08-12	0.0100	0.0100	0.0100	0.0100	-50.000%	1	21,106	+100.000%
2026-08-10	0.0100	0.0200	0.0100	0.0200	+100.000%	9	21,106	0.000%
2026-08-07	0.0200	0.0300	0.0100	0.0100	-75.000%	91	21,101	+100.000%
2026-07-28	0.0200	0.0400	0.0100	0.0400	+100.000%	12	21,013	-50.000%
2026-07-24	0.0200	0.0200	0.0200	0.0200	-50.000%	20	21,012	0.000%
2026-07-20	0.0400	0.0400	0.0400	0.0400	-20.000%	4	21,032	-50.000%
2026-07-16	0.0400	0.0500	0.0300	0.0500	+66.667%	6	21,032	-60.000%
2026-07-13	0.0600	0.0600	0.0300	0.0300	-62.500%	20	21,032	-33.333%
2026-07-07	0.0900	0.0900	0.0500	0.0800	+14.286%	20	21,052	-75.000%
2026-07-06	0.0500	0.0800	0.0500	0.0700	+40.000%	6	21,072	-71.429%
2026-07-02	0.0500	0.0500	0.0500	0.0500	0.000%	17	21,054	-60.000%
2026-07-01	0.0500	0.0500	0.0500	0.0500	0.000%	5	21,054	-60.000%
2026-06-30	0.0500	0.0500	0.0500	0.0500	+66.667%	156	21,049	-60.000%
2026-06-29	0.0300	0.0300	0.0300	0.0300	-25.000%	8	20,893	-33.333%
2026-06-25	0.1000	0.1000	0.0300	0.0400	0.000%	50	20,901	-50.000%
2026-06-23	0.0400	0.0400	0.0400	0.0400	-20.000%	3	20,893	-50.000%
2026-06-22	0.0700	0.0700	0.0500	0.0500	+25.000%	2	20,893	-60.000%
2026-06-18	0.0400	0.0400	0.0400	0.0400	-20.000%	11	20,894	-50.000%
2026-06-17	0.0500	0.0500	0.0500	0.0500	0.000%	3	20,894	-60.000%
2026-06-16	0.0500	0.0700	0.0500	0.0500	-37.500%	5	20,894	-60.000%
2026-06-11	0.0800	0.0800	0.0800	0.0800	+60.000%	1	20,895	-75.000%
2026-06-10	0.1100	0.1100	0.0500	0.0500	-37.500%	4	20,895	-60.000%
2026-06-09	0.0900	0.1100	0.0800	0.0800	-11.111%	12	20,895	-75.000%
2026-06-05	0.0800	0.0900	0.0800	0.0900	+28.571%	15	20,895	-77.778%
2026-06-03	0.0700	0.0700	0.0700	0.0700	+16.667%	4	20,897	-71.429%
2026-06-02	0.0600	0.0700	0.0500	0.0600	-33.333%	8	20,901	-66.667%
2026-06-01	0.0700	0.0900	0.0700	0.0900	+50.000%	1,107	20,901	-77.778%
2026-05-28	0.0700	0.0700	0.0600	0.0600	-25.000%	13	20,908	-66.667%
2026-05-27	0.1000	0.1000	0.0800	0.0800	0.000%	4	20,903	-75.000%
2026-05-26	0.0700	0.0800	0.0600	0.0800	+60.000%	37	20,906	-75.000%
2026-05-22	0.1200	0.1200	0.0500	0.0500	-44.444%	22	20,901	-60.000%
2026-05-20	0.0800	0.0900	0.0800	0.0900	-47.059%	5	20,900	-77.778%
2026-05-19	0.1700	0.1700	0.1700	0.1700	+70.000%	1	20,646	-88.235%
2026-05-18	0.1000	0.1000	0.1000	0.1000	+100.000%	250	20,646	-80.000%
2026-05-14	0.0500	0.0500	0.0500	0.0500	-54.545%	70	20,646	-60.000%
2026-05-07	0.1100	0.1100	0.1100	0.1100	+37.500%	4	20,716	-81.818%
2026-05-06	0.1300	0.1300	0.0800	0.0800	-38.462%	4	20,712	-75.000%
2026-05-05	0.1000	0.1300	0.1000	0.1300	-23.529%	13	20,712	-84.615%
2026-05-04	0.1100	0.1700	0.1100	0.1700	+88.889%	2	20,714	-88.235%
2026-05-01	0.1500	0.1800	0.0900	0.0900	-18.182%	9	20,714	-77.778%
2026-04-30	0.1200	0.1500	0.1000	0.1100	-35.294%	13	20,714	-81.818%
2026-04-29	0.2100	0.2100	0.1000	0.1700	+30.769%	498	20,716	-88.235%
2026-04-28	0.1700	0.1800	0.1100	0.1300	-13.333%	123	20,241	-84.615%
2026-04-27	0.1500	0.1800	0.1100	0.1500	-28.571%	21	20,146	-86.667%
2026-04-24	0.1900	0.2100	0.1400	0.2100	+40.000%	9	20,143	-90.476%
2026-04-23	0.1500	0.1700	0.1500	0.1500	-11.765%	13	20,144	-86.667%
2026-04-22	0.2700	0.2700	0.1700	0.1700	+54.545%	6	20,139	-88.235%
2026-04-21	0.2200	0.2200	0.1100	0.1100	-38.889%	5	20,139	-81.818%
2026-04-20	0.2200	0.2200	0.1400	0.1800	-18.182%	41	20,139	-88.889%
2026-04-17	0.2000	0.2300	0.1500	0.2200	0.000%	21	20,137	-90.909%
2026-04-16	0.2900	0.2900	0.1800	0.2200	+29.412%	28	20,136	-90.909%
2026-04-15	0.2800	0.2800	0.1700	0.1700	-10.526%	3	20,136	-88.235%
2026-04-14	0.2200	0.2300	0.1500	0.1900	-9.524%	11	20,136	-89.474%
2026-04-13	0.2600	0.3100	0.2100	0.2100	-22.222%	8	20,137	-90.476%
2026-04-10	0.2200	0.3000	0.2200	0.2700	+3.846%	9	20,137	-92.593%
2026-04-09	0.2100	0.3100	0.2100	0.2600	+8.333%	40	20,137	-92.308%
2026-04-08	0.2500	0.3000	0.1900	0.2400	-20.000%	37	20,137	-91.667%
2026-04-07	0.3700	0.3900	0.3000	0.3000	-14.286%	5,802	20,145	-93.333%
2026-04-06	0.3300	0.3700	0.3300	0.3500	+2.941%	12	14,394	-94.286%
2026-04-02	0.4000	0.4300	0.3300	0.3400	-17.073%	27	14,389	-94.118%
2026-04-01	0.3900	0.4100	0.3500	0.4100	+2.500%	57	14,389	-95.122%
2026-03-31	0.4400	0.4400	0.4000	0.4000	-9.091%	280	14,389	-95.000%
2026-03-30	0.4400	0.4400	0.4400	0.4400	+2.326%	10	14,135	-95.455%
2026-03-27	0.4500	0.4500	0.4300	0.4300	-2.273%	6	14,135	-95.349%
2026-03-24	0.4500	0.4500	0.4400	0.4400	+12.821%	1,251	14,131	-95.455%
2026-03-23	0.4100	0.4100	0.3900	0.3900	-9.302%	31	12,880	-94.872%
2026-03-20	0.4200	0.4300	0.4200	0.4300	+7.500%	2	12,859	-95.349%
2026-03-18	0.4000	0.4000	0.4000	0.4000	+14.286%	33	12,859	-95.000%
2026-03-13	0.3500	0.3500	0.3500	0.3500	-25.532%	6	12,859	-94.286%
2026-03-11	0.4400	0.4700	0.4400	0.4700	+6.818%	7	12,859	-95.745%
2026-03-09	0.5000	0.5300	0.4400	0.4400	0.000%	7	12,860	-95.455%
2026-03-05	0.4600	0.5000	0.4400	0.4400	-2.222%	3	12,859	-95.455%
2026-03-04	0.4500	0.4500	0.4500	0.4500	-2.174%	1	12,860	-95.556%
2026-03-03	0.4400	0.4800	0.4400	0.4600	0.000%	60	12,859	-95.652%
2026-03-02	0.4800	0.4800	0.4600	0.4600	+6.977%	18	12,858	-95.652%
2026-02-27	0.4000	0.4600	0.4000	0.4300	-6.522%	350	12,858	-95.349%
2026-02-26	0.4600	0.4700	0.4600	0.4600	-8.000%	5	12,508	-95.652%
2026-02-25	0.5000	0.5000	0.5000	0.5000	-3.846%	481	12,032	-96.000%
2026-02-24	0.5600	0.5800	0.5200	0.5200	-7.143%	10	12,032	-96.154%
2026-02-23	0.5700	0.5700	0.5600	0.5600	-3.448%	4	12,031	-96.429%
2026-02-20	0.5500	0.5800	0.5500	0.5800	+1.754%	4	12,031	-96.552%
2026-02-19	0.6400	0.6400	0.5600	0.5700	-10.938%	37	12,029	-96.491%
2026-02-18	0.6500	0.6500	0.6000	0.6400	+1.587%	2,620	12,004	-96.875%
2026-02-17	0.6400	0.6400	0.6000	0.6300	-1.563%	40	10,007	-96.825%
2026-02-13	0.6000	0.6400	0.6000	0.6400	-7.246%	7	10,004	-96.875%
2026-02-12	0.6500	0.7000	0.6500	0.6900	+4.545%	31	10,004	-97.101%
2026-02-11	0.6500	0.6900	0.6100	0.6600	+4.762%	6,518	10,005	-96.970%
2026-02-10	0.6200	0.6300	0.6200	0.6300	+12.500%	4	4,004	-96.825%
2026-02-09	0.6100	0.6100	0.5600	0.5600	-9.677%	1,048	4,005	-96.429%
2026-02-06	0.7000	0.7000	0.6200	0.6200	-24.390%	19	4,005	-96.774%
2026-02-05	0.5500	0.8200	0.5500	0.8200	+57.692%	4,027	4,006	-97.561%
2026-02-04	0.5000	0.5200	0.5000	0.5200	+13.043%	88	155	-96.154%
2026-02-03	0.4500	0.4600	0.4500	0.4600	+12.195%	2	161	-95.652%
2026-02-02	0.4000	0.4600	0.4000	0.4100	0.000%	16	162	-95.122%
2026-01-30	0.4100	0.4100	0.4100	0.4100	+5.128%	1	158	-95.122%
2026-01-29	0.3700	0.3900	0.3700	0.3900	+11.429%	7	158	-94.872%
2026-01-28	0.3500	0.3500	0.3500	0.3500	0.000%	3	157	-94.286%
2026-01-27	0.3900	0.4000	0.3500	0.3500	-7.895%	58	154	-94.286%
2026-01-26	0.3800	0.3900	0.3800	0.3800	+2.703%	3	96	-94.737%
2026-01-23	0.3500	0.4000	0.3500	0.3700	-5.128%	36	93	-94.595%
2026-01-22	0.3500	0.3900	0.3500	0.3900	-2.500%	65	59	-94.872%
2026-01-20	0.4000	0.4000	0.4000	0.4000	+14.286%	10	31	-95.000%
2026-01-16	0.3800	0.3800	0.3500	0.3500	0.000%	31	0	-94.286%