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Contract OI history

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Nov 20, 2026 EXPIRATION

SPIR $12.00 Put

SPIR261120P00012000

Latest saved OI704Oct 23, 2026
Last change-1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SPIR $12.00 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. 7223610 2026-10-02: 714 OI2026-10-05: 722 OI2026-10-06: 722 OI2026-10-07: 722 OI2026-10-08: 722 OI2026-10-09: 722 OI2026-10-13: 704 OI2026-10-15: 705 OI2026-10-16: 705 OI2026-10-20: 705 OI2026-10-23: 704 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, 2026Viewing704-1
Oct 20, 20267050
Oct 16, 20267050
Oct 15, 2026705+1
Oct 13, 2026704-18
Oct 09, 20267220
Oct 08, 20267220
Oct 07, 20267220
Oct 06, 20267220
Oct 05, 2026722+8
Oct 02, 2026714No prior observation