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Jan 21, 2028 EXPIRATION

O $55.00 Call

O280121C00055000

Latest saved OI228Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
O $55.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2321160 2026-10-02: 226 OI2026-10-05: 230 OI2026-10-06: 223 OI2026-10-07: 223 OI2026-10-08: 219 OI2026-10-09: 229 OI2026-10-13: 232 OI2026-10-14: 231 OI2026-10-15: 231 OI2026-10-16: 230 OI2026-10-21: 228 OI2026-10-23: 228 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

O contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2280
Oct 21, 2026228-2
Oct 16, 2026230-1
Oct 15, 20262310
Oct 14, 2026231-1
Oct 13, 2026232+3
Oct 09, 2026229+10
Oct 08, 2026219-4
Oct 07, 20262230
Oct 06, 2026223-7
Oct 05, 2026230+4
Oct 02, 2026226No prior observation