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Contract OI history

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Nov 06, 2026 EXPIRATION

CIEN $310.00 Put

CIEN261106P00310000

Latest saved OI67Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $310.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 67330 2026-10-02: 20 OI2026-10-05: 20 OI2026-10-06: 66 OI2026-10-07: 66 OI2026-10-08: 66 OI2026-10-09: 67 OI2026-10-13: 67 OI2026-10-14: 67 OI2026-10-15: 67 OI2026-10-16: 67 OI2026-10-21: 67 OI2026-10-23: 67 OI Oct 02, 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, 2026Viewing670
Oct 21, 2026670
Oct 16, 2026670
Oct 15, 2026670
Oct 14, 2026670
Oct 13, 2026670
Oct 09, 202667+1
Oct 08, 2026660
Oct 07, 2026660
Oct 06, 202666+46
Oct 05, 2026200
Oct 02, 202620No prior observation