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Contract OI history

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Nov 20, 2026 EXPIRATION

CI $260.00 Put

CI261120P00260000

Latest saved OI237Oct 23, 2026
Last change-6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CI $260.00 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. 2921460 2026-10-02: 257 OI2026-10-05: 257 OI2026-10-06: 257 OI2026-10-07: 259 OI2026-10-08: 262 OI2026-10-09: 281 OI2026-10-13: 292 OI2026-10-14: 262 OI2026-10-15: 253 OI2026-10-16: 216 OI2026-10-21: 243 OI2026-10-23: 237 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, 2026Viewing237-6
Oct 21, 2026243+27
Oct 16, 2026216-37
Oct 15, 2026253-9
Oct 14, 2026262-30
Oct 13, 2026292+11
Oct 09, 2026281+19
Oct 08, 2026262+3
Oct 07, 2026259+2
Oct 06, 20262570
Oct 05, 20262570
Oct 02, 2026257No prior observation