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Contract OI history

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Nov 20, 2026 EXPIRATION

SPIR $11.00 Put

SPIR261120P00011000

Latest saved OI332Oct 23, 2026
Last change0vs 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. 3331660 2026-10-02: 313 OI2026-10-05: 313 OI2026-10-06: 313 OI2026-10-07: 313 OI2026-10-08: 313 OI2026-10-09: 313 OI2026-10-13: 332 OI2026-10-15: 332 OI2026-10-16: 333 OI2026-10-20: 332 OI2026-10-23: 332 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, 2026Viewing3320
Oct 20, 2026332-1
Oct 16, 2026333+1
Oct 15, 20263320
Oct 13, 2026332+19
Oct 09, 20263130
Oct 08, 20263130
Oct 07, 20263130
Oct 06, 20263130
Oct 05, 20263130
Oct 02, 2026313No prior observation