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Contract OI history

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Jan 21, 2028 EXPIRATION

CRCL $40.00 Put

CRCL280121P00040000

Latest saved OI630Oct 23, 2026
Last change+10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CRCL $40.00 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. 6303150 2026-10-02: 586 OI2026-10-05: 586 OI2026-10-06: 587 OI2026-10-07: 586 OI2026-10-08: 586 OI2026-10-09: 587 OI2026-10-13: 588 OI2026-10-14: 588 OI2026-10-15: 601 OI2026-10-16: 598 OI2026-10-21: 620 OI2026-10-23: 630 OI Oct 02, 2026Oct 23, 2026

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

CRCL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing630+10
Oct 21, 2026620+22
Oct 16, 2026598-3
Oct 15, 2026601+13
Oct 14, 20265880
Oct 13, 2026588+1
Oct 09, 2026587+1
Oct 08, 20265860
Oct 07, 2026586-1
Oct 06, 2026587+1
Oct 05, 20265860
Oct 02, 2026586No prior observation