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PFE20260918P21
PFE Sep 18 2026 21.00 Put (PFE260918P00021000)
option OPRA

EOD

Aug 19, 2026

0.0400+300.000%(+0.0300)3

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-08-19	0.0400	0.0400	0.0400	0.0400	+300.000%	3	4,152	0.000%
2026-08-14	0.0100	0.0100	0.0100	0.0100	0.000%	2	4,155	+300.000%
2026-08-13	0.0100	0.0100	0.0100	0.0100	-50.000%	12	4,155	+300.000%
2026-08-11	0.0200	0.0200	0.0200	0.0200	+100.000%	1	4,159	+100.000%
2026-08-10	0.0300	0.0300	0.0100	0.0100	0.000%	6	4,158	+300.000%
2026-08-07	0.0100	0.0100	0.0100	0.0100	0.000%	3	4,164	+300.000%
2026-08-06	0.0200	0.0200	0.0100	0.0100	-50.000%	3	4,165	+300.000%
2026-08-05	0.0400	0.0600	0.0200	0.0200	0.000%	14	4,168	+100.000%
2026-08-04	0.0300	0.0300	0.0100	0.0200	-60.000%	6	4,179	+100.000%
2026-08-03	0.0500	0.0500	0.0500	0.0500	+66.667%	5	4,181	-20.000%
2026-07-31	0.0400	0.0400	0.0300	0.0300	-25.000%	8	4,182	+33.333%
2026-07-30	0.0500	0.0600	0.0300	0.0400	-20.000%	48	4,183	0.000%
2026-07-29	0.0500	0.0500	0.0500	0.0500	+25.000%	3	4,199	-20.000%
2026-07-28	0.0600	0.0600	0.0300	0.0400	-20.000%	11	4,201	0.000%
2026-07-27	0.0600	0.0600	0.0300	0.0500	0.000%	155	4,208	-20.000%
2026-07-24	0.0600	0.0600	0.0500	0.0500	-16.667%	13	4,206	-20.000%
2026-07-23	0.0700	0.0700	0.0600	0.0600	0.000%	13	4,198	-33.333%
2026-07-22	0.0600	0.0600	0.0600	0.0600	0.000%	31	4,202	-33.333%
2026-07-21	0.0500	0.0600	0.0500	0.0600	0.000%	7	4,172	-33.333%
2026-07-20	0.0700	0.0700	0.0600	0.0600	-14.286%	130	4,165	-33.333%
2026-07-17	0.0600	0.0700	0.0400	0.0700	+16.667%	19	4,098	-42.857%
2026-07-16	0.0700	0.0700	0.0500	0.0600	-33.333%	58	4,098	-33.333%
2026-07-15	0.1200	0.1200	0.0800	0.0900	-10.000%	14	4,064	-55.556%
2026-07-14	0.1400	0.1400	0.1000	0.1000	-23.077%	16	4,066	-60.000%
2026-07-10	0.1300	0.1300	0.1300	0.1300	-23.529%	3	4,055	-69.231%
2026-07-08	0.1700	0.1700	0.1500	0.1700	-5.556%	26	4,052	-76.471%
2026-07-07	0.1600	0.1800	0.1600	0.1800	-14.286%	6	4,042	-77.778%
2026-07-06	0.2300	0.2300	0.1900	0.2100	+31.250%	151	4,044	-80.952%
2026-07-02	0.1400	0.1600	0.1400	0.1600	-20.000%	70	3,910	-75.000%
2026-07-01	0.1200	0.2000	0.1200	0.2000	+11.111%	18	3,910	-80.000%
2026-06-30	0.1700	0.1900	0.1400	0.1800	+28.571%	19	3,906	-77.778%
2026-06-29	0.1400	0.1400	0.1400	0.1400	-26.316%	10	3,901	-71.429%
2026-06-26	0.1900	0.1900	0.1900	0.1900	-17.391%	40	3,897	-78.947%
2026-06-25	0.2000	0.2300	0.2000	0.2300	+15.000%	19	3,896	-82.609%
2026-06-24	0.1700	0.2000	0.1700	0.2000	+66.667%	7	3,878	-80.000%
2026-06-23	0.1500	0.1500	0.1100	0.1200	0.000%	126	3,874	-66.667%
2026-06-22	0.1700	0.1700	0.1200	0.1200	-20.000%	25	3,868	-66.667%
2026-06-18	0.1500	0.1500	0.1500	0.1500	+66.667%	15	3,850	-73.333%
2026-06-17	0.0900	0.0900	0.0900	0.0900	-47.059%	1	3,850	-55.556%
2026-06-15	0.1300	0.1700	0.0900	0.1700	+41.667%	59	3,850	-76.471%
2026-06-11	0.1100	0.1200	0.1100	0.1200	-14.286%	15	3,850	-66.667%
2026-06-10	0.1500	0.1700	0.1300	0.1400	0.000%	252	3,857	-71.429%
2026-06-09	0.1400	0.1400	0.1400	0.1400	0.000%	1	3,850	-71.429%
2026-06-08	0.1500	0.1500	0.1400	0.1400	0.000%	11	3,851	-71.429%
2026-06-05	0.1500	0.1700	0.1100	0.1400	+27.273%	298	3,845	-71.429%
2026-06-04	0.1600	0.1600	0.1100	0.1100	-31.250%	7	3,865	-63.636%
2026-06-03	0.1900	0.1900	0.1600	0.1600	-5.882%	6	3,866	-75.000%
2026-06-02	0.1900	0.1900	0.1700	0.1700	+6.250%	174	3,866	-76.471%
2026-06-01	0.1600	0.1600	0.1500	0.1600	-5.882%	161	3,869	-75.000%
2026-05-27	0.1500	0.1700	0.1500	0.1700	-19.048%	2	3,939	-76.471%
2026-05-22	0.2100	0.2100	0.2100	0.2100	-12.500%	1	3,937	-80.952%
2026-05-15	0.2300	0.2500	0.2300	0.2400	+4.348%	11	3,936	-83.333%
2026-05-13	0.2300	0.2300	0.2300	0.2300	0.000%	1	3,936	-82.609%
2026-05-11	0.2300	0.2300	0.2300	0.2300	+9.524%	6	3,936	-82.609%
2026-05-08	0.2100	0.2100	0.2100	0.2100	0.000%	476	3,930	-80.952%
2026-05-07	0.1900	0.2100	0.1900	0.2100	+5.000%	19	3,742	-80.952%
2026-05-06	0.2200	0.2200	0.2000	0.2000	-25.926%	6	3,752	-80.000%
2026-05-04	0.2700	0.2700	0.2700	0.2700	+12.500%	1	3,746	-85.185%
2026-05-01	0.2600	0.2700	0.2400	0.2400	-20.000%	7	3,739	-83.333%
2026-04-29	0.3000	0.3000	0.3000	0.3000	+7.143%	1	3,739	-86.667%
2026-04-28	0.2800	0.2800	0.2800	0.2800	+21.739%	5	3,738	-85.714%
2026-04-27	0.2300	0.2300	0.2300	0.2300	-8.000%	5	3,733	-82.609%
2026-04-24	0.2400	0.2500	0.2400	0.2500	-16.667%	2	3,728	-84.000%
2026-04-23	0.2900	0.3000	0.2900	0.3000	+11.111%	23	3,727	-86.667%
2026-04-22	0.2700	0.2700	0.2700	0.2700	+12.500%	1,000	3,714	-85.185%
2026-04-21	0.2100	0.2400	0.2100	0.2400	+4.348%	1,028	2,771	-83.333%
2026-04-20	0.2000	0.2300	0.2000	0.2300	0.000%	43	1,789	-82.609%
2026-04-17	0.2300	0.2300	0.2300	0.2300	-11.538%	1	1,789	-82.609%
2026-04-15	0.2800	0.2800	0.2600	0.2600	-13.333%	2	1,790	-84.615%
2026-04-14	0.3100	0.3100	0.3000	0.3000	-6.250%	7	1,790	-86.667%
2026-04-13	0.3200	0.3200	0.3200	0.3200	-5.882%	5	1,787	-87.500%
2026-04-07	0.3200	0.3400	0.3200	0.3400	+21.429%	4	1,787	-88.235%
2026-04-06	0.2800	0.2800	0.2800	0.2800	+16.667%	5	1,785	-85.714%
2026-04-02	0.2400	0.2400	0.2400	0.2400	-17.241%	1	1,784	-83.333%
2026-04-01	0.2900	0.2900	0.2900	0.2900	-27.500%	1	1,784	-86.207%
2026-03-27	0.4000	0.4000	0.4000	0.4000	+8.108%	3	1,785	-90.000%
2026-03-24	0.3900	0.3900	0.3700	0.3700	-7.500%	2	1,785	-89.189%
2026-03-23	0.4400	0.4400	0.4000	0.4000	+17.647%	7	1,785	-90.000%
2026-03-18	0.3400	0.3400	0.3400	0.3400	-22.727%	150	1,779	-88.235%
2026-03-16	0.4400	0.4400	0.4400	0.4400	+18.919%	1	1,719	-90.909%
2026-03-11	0.3700	0.3700	0.3700	0.3700	-15.909%	4	1,719	-89.189%
2026-03-10	0.4400	0.4400	0.4400	0.4400	-12.000%	1	1,719	-90.909%
2026-03-09	0.5000	0.5000	0.5000	0.5000	+28.205%	100	1,719	-92.000%
2026-03-05	0.3900	0.3900	0.3900	0.3900	+25.806%	29	1,624	-89.744%
2026-02-24	0.3100	0.3100	0.3100	0.3100	-13.889%	5	1,621	-87.097%
2026-02-20	0.3900	0.3900	0.3600	0.3600	-5.263%	3	1,618	-88.889%
2026-02-19	0.3800	0.3800	0.3800	0.3800	+18.750%	8	1,618	-89.474%
2026-02-13	0.3200	0.3200	0.3200	0.3200	-11.111%	10	1,628	-87.500%
2026-02-12	0.3000	0.3600	0.3000	0.3600	-2.703%	4	1,628	-88.889%
2026-02-11	0.3200	0.3700	0.3100	0.3700	+8.824%	128	1,626	-89.189%
2026-02-06	0.3200	0.3400	0.3200	0.3400	-5.556%	3	1,498	-88.235%
2026-02-05	0.3200	0.3600	0.3200	0.3600	+2.857%	2	1,496	-88.889%
2026-02-04	0.3500	0.3500	0.3500	0.3500	-22.222%	333	1,495	-88.571%
2026-02-03	0.4800	0.4800	0.4100	0.4500	+18.421%	53	1,168	-91.111%
2026-02-02	0.3800	0.3800	0.3800	0.3800	-11.628%	500	1,168	-89.474%
2026-01-29	0.4400	0.4400	0.4300	0.4300	+4.878%	12	668	-90.698%
2026-01-28	0.4100	0.4100	0.4100	0.4100	+13.889%	10	666	-90.244%
2026-01-27	0.3500	0.4200	0.3500	0.3600	-16.279%	9	656	-88.889%
2026-01-26	0.4100	0.4400	0.4100	0.4300	-4.444%	50	654	-90.698%
2026-01-23	0.4500	0.4500	0.4500	0.4500	-11.765%	8	650	-91.111%
2026-01-21	0.5400	0.5400	0.5100	0.5100	-3.774%	108	644	-92.157%
2026-01-20	0.6300	0.6300	0.5300	0.5300	-5.357%	68	536	-92.453%
2026-01-16	0.5500	0.5600	0.5500	0.5600	+3.704%	402	74	-92.857%
2026-01-15	0.5700	0.5800	0.5400	0.5400	0.000%	74	74	-92.593%