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Contract OI history

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Apr 16, 2027 EXPIRATION

CIEN $250.00 Put

CIEN270416P00250000

Latest saved OI80Oct 23, 2026
Last change+19vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $250.00 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. 80400 2026-10-02: 15 OI2026-10-05: 15 OI2026-10-06: 15 OI2026-10-07: 15 OI2026-10-08: 15 OI2026-10-09: 15 OI2026-10-13: 15 OI2026-10-14: 15 OI2026-10-15: 44 OI2026-10-16: 44 OI2026-10-21: 61 OI2026-10-23: 80 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, 2026Viewing80+19
Oct 21, 202661+17
Oct 16, 2026440
Oct 15, 202644+29
Oct 14, 2026150
Oct 13, 2026150
Oct 09, 2026150
Oct 08, 2026150
Oct 07, 2026150
Oct 06, 2026150
Oct 05, 2026150
Oct 02, 202615No prior observation