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Contract OI history

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Dec 18, 2026 EXPIRATION

ALL $240.00 Put

ALL261218P00240000

Latest saved OI252Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ALL $240.00 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. 2551270 2026-10-02: 255 OI2026-10-05: 250 OI2026-10-06: 250 OI2026-10-07: 250 OI2026-10-08: 250 OI2026-10-09: 250 OI2026-10-13: 250 OI2026-10-14: 250 OI2026-10-15: 250 OI2026-10-16: 253 OI2026-10-21: 251 OI2026-10-23: 252 OI Oct 02, 2026Oct 23, 2026

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

ALL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing252+1
Oct 21, 2026251-2
Oct 16, 2026253+3
Oct 15, 20262500
Oct 14, 20262500
Oct 13, 20262500
Oct 09, 20262500
Oct 08, 20262500
Oct 07, 20262500
Oct 06, 20262500
Oct 05, 2026250-5
Oct 02, 2026255No prior observation