OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

SPIR $10.00 Put

SPIR261120P00010000

Latest saved OI427Oct 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 $10.00 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. 4272130 2026-10-02: 407 OI2026-10-05: 408 OI2026-10-06: 408 OI2026-10-07: 411 OI2026-10-08: 411 OI2026-10-09: 412 OI2026-10-13: 426 OI2026-10-15: 426 OI2026-10-16: 427 OI2026-10-20: 427 OI2026-10-23: 427 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, 2026Viewing4270
Oct 20, 20264270
Oct 16, 2026427+1
Oct 15, 20264260
Oct 13, 2026426+14
Oct 09, 2026412+1
Oct 08, 20264110
Oct 07, 2026411+3
Oct 06, 20264080
Oct 05, 2026408+1
Oct 02, 2026407No prior observation