OITracker Cboe delayed data

Contract OI history

Back to CALM

Feb 19, 2027 EXPIRATION

CALM $75.00 Call

CALM270219C00075000

Latest saved OI567Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CALM $75.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 5672830 2026-10-08: 162 OI2026-10-09: 232 OI2026-10-13: 239 OI2026-10-14: 479 OI2026-10-16: 495 OI2026-10-20: 564 OI2026-10-23: 567 OI Oct 08, 2026Oct 23, 2026

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

CALM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing567+3
Oct 20, 2026564+69
Oct 16, 2026495+16
Oct 14, 2026479+240
Oct 13, 2026239+7
Oct 09, 2026232+70
Oct 08, 2026162No prior observation