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Contract OI history

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Dec 18, 2026 EXPIRATION

C $30.00 Put

C261218P00030000

Latest saved OI1,996Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
C $30.00 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. 1,9969980 2026-10-02: 1,995 OI2026-10-05: 1,995 OI2026-10-06: 1,995 OI2026-10-07: 1,995 OI2026-10-08: 1,995 OI2026-10-09: 1,996 OI2026-10-13: 1,996 OI2026-10-14: 1,996 OI2026-10-15: 1,996 OI2026-10-16: 1,996 OI2026-10-21: 1,996 OI2026-10-23: 1,996 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, 2026Viewing1,9960
Oct 21, 20261,9960
Oct 16, 20261,9960
Oct 15, 20261,9960
Oct 14, 20261,9960
Oct 13, 20261,9960
Oct 09, 20261,996+1
Oct 08, 20261,9950
Oct 07, 20261,9950
Oct 06, 20261,9950
Oct 05, 20261,9950
Oct 02, 20261,995No prior observation