OITracker Cboe delayed data

Contract OI history

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May 21, 2027 EXPIRATION

SPIR $9.00 Put

SPIR270521P00009000

Latest saved OI111Oct 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 $9.00 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. 111550 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 10 OI2026-10-13: 10 OI2026-10-15: 11 OI2026-10-16: 11 OI2026-10-20: 111 OI2026-10-23: 111 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, 2026Viewing1110
Oct 20, 2026111+100
Oct 16, 2026110
Oct 15, 202611+1
Oct 13, 2026100
Oct 09, 202610+10
Oct 08, 202600
Oct 07, 202600
Oct 06, 202600
Oct 05, 202600
Oct 02, 20260No prior observation