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MSTR20260918P55
MSTR Sep 18 2026 55.00 Put (MSTR260918P00055000)
option OPRA

EOD

Aug 20, 2026

0.2100-12.500%(-0.0300)1,173

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-08-20	0.4400	0.5500	0.1100	0.2100	-12.500%	1,173	5,514	0.000%
2026-08-19	0.5100	0.5100	0.1800	0.2400	-38.462%	1,326	5,509	-12.500%
2026-08-18	0.4800	0.4800	0.3100	0.3900	+18.182%	1,802	4,566	-46.154%
2026-08-17	0.3800	0.3800	0.2300	0.3300	-10.811%	621	4,201	-36.364%
2026-08-14	0.3800	0.4200	0.3300	0.3700	+12.121%	78	3,801	-43.243%
2026-08-13	0.3400	0.3800	0.3200	0.3300	0.000%	935	3,820	-36.364%
2026-08-12	0.3300	0.3700	0.3200	0.3300	-5.714%	296	2,972	-36.364%
2026-08-11	0.3300	0.3700	0.3200	0.3500	-5.405%	115	2,727	-40.000%
2026-08-10	0.4100	0.4100	0.3400	0.3700	-11.905%	116	2,779	-43.243%
2026-08-07	0.4200	0.4300	0.3400	0.4200	-6.667%	176	2,825	-50.000%
2026-08-06	0.4500	0.4600	0.4300	0.4500	+4.651%	37	2,817	-53.333%
2026-08-05	0.4900	0.4900	0.4300	0.4300	-20.370%	51	2,853	-51.163%
2026-08-04	0.6500	0.6500	0.5400	0.5400	-10.000%	83	2,878	-61.111%
2026-08-03	0.7800	0.7800	0.6000	0.6000	-24.051%	41	2,943	-65.000%
2026-07-31	0.7900	0.8900	0.7500	0.7900	+1.282%	74	2,939	-73.418%
2026-07-30	1.0100	1.0100	0.7300	0.7800	-17.021%	126	2,901	-73.077%
2026-07-29	0.9200	0.9400	0.7900	0.9400	+2.174%	67	2,873	-77.660%
2026-07-28	1.0000	1.0200	0.8400	0.9200	+4.545%	63	2,819	-77.174%
2026-07-27	1.0500	1.0500	0.8800	0.8800	-26.667%	53	2,766	-76.136%
2026-07-24	1.2800	1.3000	1.1700	1.2000	0.000%	63	2,716	-82.500%
2026-07-23	1.1100	1.2800	1.0700	1.2000	+18.812%	88	2,737	-82.500%
2026-07-22	1.0000	1.0200	0.9400	1.0100	+8.602%	64	2,738	-79.208%
2026-07-21	0.9800	1.0900	0.9300	0.9300	-23.770%	69	2,675	-77.419%
2026-07-20	1.2400	1.2600	1.1400	1.2200	-12.857%	47	2,616	-82.787%
2026-07-17	1.7300	1.7300	1.3800	1.4000	-5.405%	65	2,591	-85.000%
2026-07-16	1.4800	1.4800	1.4800	1.4800	+8.824%	1	2,597	-85.811%
2026-07-15	1.4200	1.6000	1.3600	1.3600	-16.049%	85	2,596	-84.559%
2026-07-14	1.7500	1.7500	1.6100	1.6200	-13.369%	4	2,567	-87.037%
2026-07-13	1.9000	1.9000	1.8700	1.8700	-1.058%	7	2,568	-88.770%
2026-07-10	1.7900	1.9400	1.7900	1.8900	+0.532%	163	2,566	-88.889%
2026-07-09	1.9700	1.9800	1.8800	1.8800	-18.261%	31	2,567	-88.830%
2026-07-08	2.3000	2.3000	2.3000	2.3000	+7.477%	100	2,567	-90.870%
2026-07-07	2.1400	2.1400	2.1400	2.1400	+3.883%	2	2,567	-90.187%
2026-07-06	2.2500	2.2700	2.0600	2.0600	-4.186%	21	2,565	-89.806%
2026-07-02	1.9300	2.1500	1.9300	2.1500	-11.885%	19	2,576	-90.233%
2026-07-01	3.0300	3.0300	2.3400	2.4400	-29.480%	73	2,576	-91.393%
2026-06-30	3.2700	3.7000	3.1300	3.4600	+44.770%	155	2,570	-93.931%
2026-06-29	3.9500	3.9500	2.3400	2.3900	-47.124%	29	2,520	-91.213%
2026-06-26	3.9600	4.7100	3.5500	4.5200	+11.605%	3,815	2,532	-95.354%
2026-06-25	4.0000	4.3000	3.6500	4.0500	+41.115%	125	683	-94.815%
2026-06-24	2.3400	3.1500	2.1000	2.8700	+78.261%	476	575	-92.683%
2026-06-23	1.6100	1.6100	1.6100	1.6100	+7.333%	25	546	-86.957%
2026-06-22	1.2400	1.5000	1.2100	1.5000	-13.295%	54	521	-86.000%
2026-06-18	1.5200	1.7600	1.5200	1.7300	+54.464%	105	486	-87.861%
2026-06-17	0.9900	1.1200	0.9900	1.1200	+12.000%	19	486	-81.250%
2026-06-16	0.9500	1.0000	0.9500	1.0000	-1.961%	6	486	-79.000%
2026-06-15	1.0200	1.0200	1.0200	1.0200	-24.444%	1	480	-79.412%
2026-06-12	1.3500	1.3500	1.3500	1.3500	-18.182%	1	481	-84.444%
2026-06-10	1.6300	1.6500	1.6200	1.6500	-7.303%	15	481	-87.273%
2026-06-09	1.7600	1.7900	1.7600	1.7800	-25.523%	20	478	-88.202%
2026-06-05	1.9600	2.3900	1.9600	2.3900	+48.447%	29	474	-91.213%
2026-06-03	1.2000	1.6100	1.2000	1.6100	+28.800%	24	445	-86.957%
2026-06-02	0.8600	1.2500	0.8500	1.2500	+81.159%	61	435	-83.200%
2026-06-01	0.7600	0.7600	0.6600	0.6900	+15.000%	104	396	-69.565%
2026-05-29	0.6500	0.6500	0.5900	0.6000	-7.692%	40	444	-65.000%
2026-05-28	0.8300	0.8300	0.6500	0.6500	-1.515%	23	454	-67.692%
2026-05-27	0.6600	0.7000	0.6500	0.6600	+6.452%	31	440	-68.182%
2026-05-26	0.6300	0.6300	0.6200	0.6200	-4.615%	24	435	-66.129%
2026-05-22	0.6400	0.6500	0.6400	0.6500	+3.175%	18	433	-67.692%
2026-05-21	1.0000	1.0000	0.6300	0.6300	-18.182%	128	434	-66.667%
2026-05-19	0.7100	0.8200	0.7100	0.7700	+18.462%	7	434	-72.727%
2026-05-15	0.6100	0.8500	0.6100	0.6500	0.000%	21	434	-67.692%
2026-05-14	0.6500	0.6500	0.6500	0.6500	-7.143%	2	424	-67.692%
2026-05-12	0.7000	0.7000	0.7000	0.7000	-12.500%	2	422	-70.000%
2026-05-08	0.7600	0.8000	0.7500	0.8000	-1.235%	4	422	-73.750%
2026-05-07	0.8100	0.8100	0.8100	0.8100	+3.846%	2	423	-74.074%
2026-05-05	0.7800	0.7800	0.7800	0.7800	-13.333%	2	423	-73.077%
2026-05-04	0.9000	0.9000	0.9000	0.9000	-3.226%	2	423	-76.667%
2026-05-01	1.0000	1.0000	0.9200	0.9300	-19.130%	3	422	-77.419%
2026-04-30	1.1500	1.1500	1.1500	1.1500	-8.730%	11	422	-81.739%
2026-04-29	1.2600	1.2600	1.2600	1.2600	+1.613%	1	432	-83.333%
2026-04-28	1.2400	1.2400	1.2400	1.2400	+10.714%	5	431	-83.065%
2026-04-22	1.1200	1.1200	1.1200	1.1200	-2.609%	10	426	-81.250%
2026-04-20	1.2100	1.2100	1.1500	1.1500	-22.297%	3	426	-81.739%
2026-04-17	1.4800	1.4800	1.4800	1.4800	-8.075%	2	427	-85.811%
2026-04-16	1.7000	1.7000	1.6000	1.6100	-10.556%	11	427	-86.957%
2026-04-14	1.9200	1.9200	1.8000	1.8000	-20.000%	2	427	-88.333%
2026-04-10	2.2400	2.2500	2.2400	2.2500	-5.063%	3	425	-90.667%
2026-04-08	2.2700	2.3700	2.2700	2.3700	-16.842%	61	423	-91.139%
2026-04-07	2.8500	2.8500	2.8500	2.8500	+2.518%	2	363	-92.632%
2026-04-06	2.7800	2.7800	2.7800	2.7800	-13.125%	2	361	-92.446%
2026-03-31	3.3700	3.3900	3.2000	3.2000	+2.564%	3	361	-93.438%
2026-03-30	3.1200	3.1200	3.1200	3.1200	-5.455%	60	363	-93.269%
2026-03-27	3.3000	3.3000	3.3000	3.3000	+25.000%	1	303	-93.636%
2026-03-26	2.5900	2.6400	2.5900	2.6400	+11.392%	2	302	-92.045%
2026-03-25	2.3700	2.3700	2.3700	2.3700	-9.542%	72	303	-91.139%
2026-03-24	2.6200	2.6300	2.6200	2.6200	+3.150%	4	236	-91.985%
2026-03-23	2.5900	2.5900	2.5400	2.5400	-9.286%	2	231	-91.732%
2026-03-20	2.8200	2.8200	2.8000	2.8000	+7.280%	3	232	-92.500%
2026-03-18	2.6100	2.6100	2.6100	2.6100	+3.984%	2	232	-91.954%
2026-03-17	2.5100	2.5100	2.5100	2.5100	-2.713%	60	230	-91.633%
2026-03-16	2.6000	2.6400	2.5800	2.5800	-16.774%	13	230	-91.860%
2026-03-10	3.1000	3.1000	3.1000	3.1000	-3.727%	2	229	-93.226%
2026-03-09	3.3000	3.3200	3.2200	3.2200	-6.667%	8	229	-93.478%
2026-03-06	3.4500	3.4500	3.4500	3.4500	+11.650%	300	222	-93.913%
2026-03-05	3.1100	3.1700	3.0900	3.0900	-6.079%	306	382	-93.204%
2026-03-04	3.2900	3.2900	3.2900	3.2900	-18.159%	1	360	-93.617%
2026-02-27	4.0200	4.0200	4.0200	4.0200	-12.609%	1	361	-94.776%
2026-02-24	4.6500	4.6500	4.6000	4.6000	+3.371%	2	362	-95.435%
2026-02-23	4.4500	4.4500	4.4500	4.4500	0.000%	3	364	-95.281%
2026-02-13	4.6900	4.8600	4.4500	4.4500	-8.058%	10	373	-95.281%
2026-02-11	4.8400	4.8400	4.8400	4.8400	+10.502%	1	373	-95.661%
2026-02-10	4.3800	4.3800	4.3800	4.3800	-15.769%	4	373	-95.205%
2026-02-06	7.1900	7.1900	5.2000	5.2000	-36.893%	6	373	-95.962%
2026-02-05	5.4500	8.2700	5.4500	8.2400	+73.840%	214	367	-97.451%
2026-02-04	4.7400	4.7400	4.7400	4.7400	+23.117%	1	364	-95.570%
2026-02-03	3.8500	3.8500	3.8500	3.8500	+40.000%	1	365	-94.545%
2026-02-02	2.7500	2.7500	2.7500	2.7500	-2.482%	2	365	-92.364%
2026-01-30	2.7600	2.8200	2.7600	2.8200	+11.462%	2	365	-92.553%
2026-01-29	2.5300	2.5300	2.5300	2.5300	+5.858%	6	364	-91.700%
2026-01-20	2.3900	2.3900	2.3900	2.3900	-3.629%	1	367	-91.213%
2026-01-12	2.7300	2.7300	2.4800	2.4800	-23.926%	8	367	-91.532%
2026-01-06	3.1700	3.2600	3.1700	3.2600	+0.617%	5	364	-93.558%
2026-01-05	3.2200	3.2400	3.1300	3.2400	-8.475%	3	366	-93.519%
2026-01-02	3.4500	3.5400	3.4500	3.5400	-14.078%	4	366	-94.068%
2025-12-17	4.1200	4.1200	4.1200	4.1200	+4.304%	1	366	-94.903%
2025-12-11	4.0300	4.0300	3.9500	3.9500	-0.253%	3	366	-94.684%
2025-12-08	4.1300	4.1300	3.9600	3.9600	-8.966%	11	365	-94.697%
2025-12-05	4.3500	4.3500	4.3500	4.3500	+1.163%	1	361	-95.172%
2025-12-04	4.1800	4.3000	4.1800	4.3000	-17.308%	2	361	-95.116%
2025-12-01	5.4100	5.4100	5.2000	5.2000	-1.328%	2	361	-95.962%
2025-11-26	5.1600	5.2700	5.1600	5.2700	+3.333%	4	363	-96.015%
2025-11-19	5.1400	5.1400	5.1000	5.1000	+32.468%	2	363	-95.882%
2025-11-18	3.9300	3.9300	3.8500	3.8500	-9.412%	23	363	-94.545%
2025-11-17	3.9700	4.3500	3.7000	4.2500	0.000%	645	382	-95.059%