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Contract OI history

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Oct 23, 2026 EXPIRATION

CIEN $367.50 Put

CIEN261023P00367500

Latest saved OI6Oct 23, 2026
Last change-17vs previous saved observation
Saved market days11Oct 05, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $367.50 put open interest history 11 saved observations from 2026-10-05 to 2026-10-23. Exact values and changes are listed in the table below. 23110 2026-10-05: 0 OI2026-10-06: 8 OI2026-10-07: 8 OI2026-10-08: 8 OI2026-10-09: 10 OI2026-10-13: 10 OI2026-10-14: 10 OI2026-10-15: 10 OI2026-10-16: 10 OI2026-10-21: 23 OI2026-10-23: 6 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, 2026Viewing6-17
Oct 21, 202623+13
Oct 16, 2026100
Oct 15, 2026100
Oct 14, 2026100
Oct 13, 2026100
Oct 09, 202610+2
Oct 08, 202680
Oct 07, 202680
Oct 06, 20268+8
Oct 05, 20260No prior observation