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Contract OI history

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Apr 16, 2027 EXPIRATION

CIEN $280.00 Put

CIEN270416P00280000

Latest saved OI151Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $280.00 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. 151750 2026-10-02: 115 OI2026-10-05: 115 OI2026-10-06: 115 OI2026-10-07: 121 OI2026-10-08: 121 OI2026-10-09: 129 OI2026-10-13: 130 OI2026-10-14: 130 OI2026-10-15: 151 OI2026-10-16: 151 OI2026-10-21: 151 OI2026-10-23: 151 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, 2026Viewing1510
Oct 21, 20261510
Oct 16, 20261510
Oct 15, 2026151+21
Oct 14, 20261300
Oct 13, 2026130+1
Oct 09, 2026129+8
Oct 08, 20261210
Oct 07, 2026121+6
Oct 06, 20261150
Oct 05, 20261150
Oct 02, 2026115No prior observation