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Contract OI history

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Nov 20, 2026 EXPIRATION

CIEN $380.00 Put

CIEN261120P00380000

Latest saved OI503Oct 23, 2026
Last change-8vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $380.00 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. 5132560 2026-10-02: 25 OI2026-10-05: 34 OI2026-10-06: 339 OI2026-10-07: 350 OI2026-10-08: 350 OI2026-10-09: 431 OI2026-10-13: 513 OI2026-10-14: 513 OI2026-10-15: 505 OI2026-10-16: 503 OI2026-10-21: 511 OI2026-10-23: 503 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, 2026Viewing503-8
Oct 21, 2026511+8
Oct 16, 2026503-2
Oct 15, 2026505-8
Oct 14, 20265130
Oct 13, 2026513+82
Oct 09, 2026431+81
Oct 08, 20263500
Oct 07, 2026350+11
Oct 06, 2026339+305
Oct 05, 202634+9
Oct 02, 202625No prior observation