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Contract OI history

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Dec 18, 2026 EXPIRATION

XTND $4.00 Put

XTND261218P00004000

Latest saved OI1,490Oct 23, 2026
Last change-26vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
XTND $4.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,5167580 2026-10-02: 1,146 OI2026-10-05: 1,146 OI2026-10-06: 1,257 OI2026-10-07: 1,266 OI2026-10-09: 1,271 OI2026-10-13: 1,387 OI2026-10-14: 1,398 OI2026-10-16: 1,515 OI2026-10-20: 1,516 OI2026-10-23: 1,490 OI Oct 02, 2026Oct 23, 2026

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

XTND contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,490-26
Oct 20, 20261,516+1
Oct 16, 20261,515+117
Oct 14, 20261,398+11
Oct 13, 20261,387+116
Oct 09, 20261,271+5
Oct 07, 20261,266+9
Oct 06, 20261,257+111
Oct 05, 20261,1460
Oct 02, 20261,146No prior observation