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Contract OI history

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Dec 15, 2028 EXPIRATION

CIEN $170.00 Put

CIEN281215P00170000

Latest saved OI236Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $170.00 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. 2361180 2026-10-02: 235 OI2026-10-05: 235 OI2026-10-06: 235 OI2026-10-07: 235 OI2026-10-08: 235 OI2026-10-09: 235 OI2026-10-13: 235 OI2026-10-14: 235 OI2026-10-15: 235 OI2026-10-16: 235 OI2026-10-21: 235 OI2026-10-23: 236 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, 2026Viewing236+1
Oct 21, 20262350
Oct 16, 20262350
Oct 15, 20262350
Oct 14, 20262350
Oct 13, 20262350
Oct 09, 20262350
Oct 08, 20262350
Oct 07, 20262350
Oct 06, 20262350
Oct 05, 20262350
Oct 02, 2026235No prior observation