OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

CALY $15.00 Call

CALY261120C00015000

Latest saved OI420Oct 23, 2026
Last change+6vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CALY $15.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4202100 2026-10-02: 278 OI2026-10-05: 280 OI2026-10-06: 283 OI2026-10-07: 285 OI2026-10-08: 282 OI2026-10-09: 284 OI2026-10-13: 320 OI2026-10-14: 321 OI2026-10-16: 335 OI2026-10-21: 414 OI2026-10-23: 420 OI Oct 02, 2026Oct 23, 2026

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

CALY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing420+6
Oct 21, 2026414+79
Oct 16, 2026335+14
Oct 14, 2026321+1
Oct 13, 2026320+36
Oct 09, 2026284+2
Oct 08, 2026282-3
Oct 07, 2026285+2
Oct 06, 2026283+3
Oct 05, 2026280+2
Oct 02, 2026278No prior observation