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Contract OI history

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Oct 30, 2026 EXPIRATION

CIEN $325.00 Put

CIEN261030P00325000

Latest saved OI187Oct 23, 2026
Last change+20vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $325.00 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. 187930 2026-10-02: 11 OI2026-10-05: 11 OI2026-10-06: 21 OI2026-10-07: 19 OI2026-10-08: 19 OI2026-10-09: 40 OI2026-10-13: 156 OI2026-10-14: 156 OI2026-10-15: 164 OI2026-10-16: 165 OI2026-10-21: 167 OI2026-10-23: 187 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, 2026Viewing187+20
Oct 21, 2026167+2
Oct 16, 2026165+1
Oct 15, 2026164+8
Oct 14, 20261560
Oct 13, 2026156+116
Oct 09, 202640+21
Oct 08, 2026190
Oct 07, 202619-2
Oct 06, 202621+10
Oct 05, 2026110
Oct 02, 202611No prior observation