OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

SPIR $11.00 Put

SPIR270115P00011000

Latest saved OI466Oct 23, 2026
Last change-19vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SPIR $11.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5082540 2026-10-02: 508 OI2026-10-05: 508 OI2026-10-06: 447 OI2026-10-07: 447 OI2026-10-08: 389 OI2026-10-09: 382 OI2026-10-13: 382 OI2026-10-15: 337 OI2026-10-16: 337 OI2026-10-20: 485 OI2026-10-23: 466 OI Oct 02, 2026Oct 23, 2026

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

SPIR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing466-19
Oct 20, 2026485+148
Oct 16, 20263370
Oct 15, 2026337-45
Oct 13, 20263820
Oct 09, 2026382-7
Oct 08, 2026389-58
Oct 07, 20264470
Oct 06, 2026447-61
Oct 05, 20265080
Oct 02, 2026508No prior observation