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Contract OI history

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Oct 30, 2026 EXPIRATION

CIEN $390.00 Put

CIEN261030P00390000

Latest saved OI165Oct 23, 2026
Last change-14vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $390.00 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. 180900 2026-10-02: 1 OI2026-10-05: 12 OI2026-10-06: 156 OI2026-10-07: 174 OI2026-10-08: 174 OI2026-10-09: 175 OI2026-10-13: 180 OI2026-10-14: 180 OI2026-10-15: 179 OI2026-10-16: 179 OI2026-10-21: 179 OI2026-10-23: 165 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, 2026Viewing165-14
Oct 21, 20261790
Oct 16, 20261790
Oct 15, 2026179-1
Oct 14, 20261800
Oct 13, 2026180+5
Oct 09, 2026175+1
Oct 08, 20261740
Oct 07, 2026174+18
Oct 06, 2026156+144
Oct 05, 202612+11
Oct 02, 20261No prior observation