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Contract OI history

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Nov 20, 2026 EXPIRATION

CALM $70.00 Call

CALM261120C00070000

Latest saved OI1,250Oct 23, 2026
Last change+28vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
CALM $70.00 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. 1,2506250 2026-10-08: 743 OI2026-10-09: 748 OI2026-10-13: 1,136 OI2026-10-14: 1,138 OI2026-10-16: 1,143 OI2026-10-20: 1,222 OI2026-10-23: 1,250 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, 2026Viewing1,250+28
Oct 20, 20261,222+79
Oct 16, 20261,143+5
Oct 14, 20261,138+2
Oct 13, 20261,136+388
Oct 09, 2026748+5
Oct 08, 2026743No prior observation