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Contract OI history

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Nov 20, 2026 EXPIRATION

CALX $40.00 Call

CALX261120C00040000

Latest saved OI351Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CALX $40.00 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. 3511750 2026-10-02: 199 OI2026-10-05: 199 OI2026-10-06: 199 OI2026-10-07: 329 OI2026-10-08: 334 OI2026-10-09: 334 OI2026-10-13: 342 OI2026-10-14: 343 OI2026-10-16: 343 OI2026-10-21: 351 OI2026-10-23: 351 OI Oct 02, 2026Oct 23, 2026

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

CALX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3510
Oct 21, 2026351+8
Oct 16, 20263430
Oct 14, 2026343+1
Oct 13, 2026342+8
Oct 09, 20263340
Oct 08, 2026334+5
Oct 07, 2026329+130
Oct 06, 20261990
Oct 05, 20261990
Oct 02, 2026199No prior observation