OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

IA $12.50 Put

IA270115P00012500

Latest saved OI93Oct 19, 2026
Last change0vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
IA $12.50 put open interest history 6 saved observations from 2026-10-08 to 2026-10-19. Exact values and changes are listed in the table below. 93460 2026-10-08: 93 OI2026-10-09: 93 OI2026-10-13: 93 OI2026-10-14: 93 OI2026-10-16: 93 OI2026-10-19: 93 OI Oct 08, 2026Oct 19, 2026

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

IA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 19, 2026Viewing930
Oct 16, 2026930
Oct 14, 2026930
Oct 13, 2026930
Oct 09, 2026930
Oct 08, 202693No prior observation