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Contract OI history

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Jan 15, 2027 EXPIRATION

CIEN $230.00 Put

CIEN270115P00230000

Latest saved OI174Oct 23, 2026
Last change+21vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $230.00 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. 2231110 2026-10-02: 223 OI2026-10-05: 184 OI2026-10-06: 164 OI2026-10-07: 161 OI2026-10-08: 161 OI2026-10-09: 156 OI2026-10-13: 156 OI2026-10-14: 156 OI2026-10-15: 153 OI2026-10-16: 153 OI2026-10-21: 153 OI2026-10-23: 174 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, 2026Viewing174+21
Oct 21, 20261530
Oct 16, 20261530
Oct 15, 2026153-3
Oct 14, 20261560
Oct 13, 20261560
Oct 09, 2026156-5
Oct 08, 20261610
Oct 07, 2026161-3
Oct 06, 2026164-20
Oct 05, 2026184-39
Oct 02, 2026223No prior observation