OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

OPEN $2.50 Call

OPEN261030C00002500

Latest saved OI12,182Oct 23, 2026
Last change+1,703vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OPEN $2.50 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 12,1826,0910 2026-10-09: 1,261 OI2026-10-13: 1,901 OI2026-10-14: 1,901 OI2026-10-15: 2,543 OI2026-10-16: 4,907 OI2026-10-21: 10,479 OI2026-10-23: 12,182 OI Oct 09, 2026Oct 23, 2026

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

OPEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing12,182+1,703
Oct 21, 202610,479+5,572
Oct 16, 20264,907+2,364
Oct 15, 20262,543+642
Oct 14, 20261,9010
Oct 13, 20261,901+640
Oct 09, 20261,261No prior observation