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Contract OI history

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Nov 20, 2026 EXPIRATION

CI $250.00 Put

CI261120P00250000

Latest saved OI368Oct 23, 2026
Last change+97vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CI $250.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3681840 2026-10-02: 72 OI2026-10-05: 84 OI2026-10-06: 84 OI2026-10-07: 113 OI2026-10-08: 115 OI2026-10-09: 118 OI2026-10-13: 136 OI2026-10-14: 134 OI2026-10-15: 132 OI2026-10-16: 221 OI2026-10-21: 271 OI2026-10-23: 368 OI Oct 02, 2026Oct 23, 2026

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

CI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing368+97
Oct 21, 2026271+50
Oct 16, 2026221+89
Oct 15, 2026132-2
Oct 14, 2026134-2
Oct 13, 2026136+18
Oct 09, 2026118+3
Oct 08, 2026115+2
Oct 07, 2026113+29
Oct 06, 2026840
Oct 05, 202684+12
Oct 02, 202672No prior observation