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Contract OI history

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Dec 18, 2026 EXPIRATION

C $55.00 Call

C261218C00055000

Latest saved OI287Oct 23, 2026
Last change-5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
C $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. 2931460 2026-10-02: 293 OI2026-10-05: 293 OI2026-10-06: 293 OI2026-10-07: 293 OI2026-10-08: 293 OI2026-10-09: 293 OI2026-10-13: 293 OI2026-10-14: 293 OI2026-10-15: 292 OI2026-10-16: 292 OI2026-10-21: 292 OI2026-10-23: 287 OI Oct 02, 2026Oct 23, 2026

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

C contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing287-5
Oct 21, 20262920
Oct 16, 20262920
Oct 15, 2026292-1
Oct 14, 20262930
Oct 13, 20262930
Oct 09, 20262930
Oct 08, 20262930
Oct 07, 20262930
Oct 06, 20262930
Oct 05, 20262930
Oct 02, 2026293No prior observation