OITracker Cboe delayed data

Contract OI history

Back to SPIR

Nov 20, 2026 EXPIRATION

SPIR $19.00 Put

SPIR261120P00019000

Latest saved OI1Oct 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 $19.00 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. 122610 2026-10-02: 122 OI2026-10-05: 122 OI2026-10-06: 122 OI2026-10-07: 122 OI2026-10-08: 122 OI2026-10-09: 122 OI2026-10-13: 120 OI2026-10-15: 2 OI2026-10-16: 1 OI2026-10-20: 1 OI2026-10-23: 1 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, 2026Viewing10
Oct 20, 202610
Oct 16, 20261-1
Oct 15, 20262-118
Oct 13, 2026120-2
Oct 09, 20261220
Oct 08, 20261220
Oct 07, 20261220
Oct 06, 20261220
Oct 05, 20261220
Oct 02, 2026122No prior observation