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Contract OI history

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Oct 23, 2026 EXPIRATION

CIEN $372.50 Call

CIEN261023C00372500

Latest saved OI21Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 05, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $372.50 call open interest history 11 saved observations from 2026-10-05 to 2026-10-23. Exact values and changes are listed in the table below. 21100 2026-10-05: 0 OI2026-10-06: 3 OI2026-10-07: 3 OI2026-10-08: 3 OI2026-10-09: 3 OI2026-10-13: 3 OI2026-10-14: 3 OI2026-10-15: 8 OI2026-10-16: 13 OI2026-10-21: 20 OI2026-10-23: 21 OI Oct 05, 2026Oct 23, 2026

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

CIEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing21+1
Oct 21, 202620+7
Oct 16, 202613+5
Oct 15, 20268+5
Oct 14, 202630
Oct 13, 202630
Oct 09, 202630
Oct 08, 202630
Oct 07, 202630
Oct 06, 20263+3
Oct 05, 20260No prior observation