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Contract OI history

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Dec 18, 2026 EXPIRATION

CAT $900.00 Call

CAT261218C00900000

Latest saved OI501Oct 23, 2026
Last change+14vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CAT $900.00 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. 5012500 2026-10-02: 386 OI2026-10-05: 391 OI2026-10-06: 414 OI2026-10-07: 428 OI2026-10-08: 428 OI2026-10-09: 481 OI2026-10-13: 452 OI2026-10-14: 452 OI2026-10-15: 453 OI2026-10-16: 468 OI2026-10-21: 487 OI2026-10-23: 501 OI Oct 02, 2026Oct 23, 2026

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

CAT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing501+14
Oct 21, 2026487+19
Oct 16, 2026468+15
Oct 15, 2026453+1
Oct 14, 20264520
Oct 13, 2026452-29
Oct 09, 2026481+53
Oct 08, 20264280
Oct 07, 2026428+14
Oct 06, 2026414+23
Oct 05, 2026391+5
Oct 02, 2026386No prior observation