OITracker Cboe delayed data

Contract OI history

Back to SPAI

Dec 18, 2026 EXPIRATION

SPAI $5.00 Put

SPAI261218P00005000

Latest saved OI50Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
SPAI $5.00 put open interest history 6 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 50250 2026-10-07: 25 OI2026-10-13: 50 OI2026-10-14: 50 OI2026-10-16: 50 OI2026-10-20: 50 OI2026-10-23: 50 OI Oct 07, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

SPAI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing500
Oct 20, 2026500
Oct 16, 2026500
Oct 14, 2026500
Oct 13, 202650+25
Oct 07, 202625No prior observation