PFE261023P00026500
PFE Oct 23 2026 26.50 Put
optionOPRA

EODOct 6, 2026

0.17USD-15.000%(-0.03)5Vol397OI

PFE261023P00026500 Historical Prices

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-10-06	0.1600	0.2000	0.1600	0.1700	-15.000%	5	393	0.000%
2026-10-05	0.1600	0.3000	0.1600	0.2000	0.000%	53	345	-15.000%
2026-10-02	0.1700	0.2000	0.1700	0.2000	+66.667%	8	344	-15.000%
2026-10-01	0.1000	0.1200	0.1000	0.1200	+50.000%	55	348	+41.667%
2026-09-30	0.1000	0.1000	0.0800	0.0800	-50.000%	6	347	+112.500%
2026-09-29	0.0900	0.1700	0.0900	0.1600	+100.000%	21	348	+6.250%
2026-09-28	0.1000	0.1000	0.0800	0.0800	-27.273%	2	350	+112.500%
2026-09-25	0.1500	0.1500	0.1100	0.1100	-21.429%	32	378	+54.545%
2026-09-24	0.1500	0.1500	0.1400	0.1400	-26.316%	2	378	+21.429%
2026-09-23	0.1700	0.2000	0.1600	0.1900	-9.524%	177	221	-10.526%
2026-09-22	0.2800	0.3200	0.2100	0.2100	0.000%	76	147	-19.048%
2026-09-21	0.2800	0.2800	0.2100	0.2100	-25.000%	18	133	-19.048%
2026-09-18	0.3100	0.3400	0.2800	0.2800	-6.667%	15	121	-39.286%
2026-09-17	0.3000	0.3300	0.2700	0.3000	-16.667%	71	52	-43.333%
2026-09-16	0.3600	0.3600	0.3600	0.3600	-10.000%	20	32	-52.778%
2026-09-15	0.4000	0.4200	0.3500	0.4000	+33.333%	78	30	-57.500%
2026-09-14	0.3100	0.3300	0.2900	0.3000	-26.829%	6	30	-43.333%
2026-09-11	0.4100	0.4100	0.4100	0.4100	0.000%	1	29	-58.537%
2026-09-10	0.4000	0.4500	0.4000	0.4100	+24.242%	21	12	-58.537%
2026-09-09	0.3500	0.3500	0.3300	0.3300	-5.714%	5	7	-48.485%
2026-09-08	0.3300	0.3500	0.2200	0.3500	+29.630%	5	4	-51.429%
2026-09-04	0.3000	0.3000	0.2700	0.2700	+8.000%	3	1	-37.037%
2026-09-03	0.2500	0.2500	0.2500	0.2500	0.000%	1	0	-32.000%