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Contract OI history

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Jun 17, 2027 EXPIRATION

CIEN $510.00 Put

CIEN270617P00510000

Latest saved OI15Oct 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 $510.00 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. 1680 2026-10-02: 13 OI2026-10-05: 13 OI2026-10-06: 15 OI2026-10-07: 16 OI2026-10-08: 16 OI2026-10-09: 16 OI2026-10-13: 16 OI2026-10-14: 16 OI2026-10-15: 16 OI2026-10-16: 16 OI2026-10-21: 15 OI2026-10-23: 15 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, 2026Viewing150
Oct 21, 202615-1
Oct 16, 2026160
Oct 15, 2026160
Oct 14, 2026160
Oct 13, 2026160
Oct 09, 2026160
Oct 08, 2026160
Oct 07, 202616+1
Oct 06, 202615+2
Oct 05, 2026130
Oct 02, 202613No prior observation