Contract OI history

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Mar 19, 2027 EXPIRATION

CIEN $330.00 Put

CIEN270319P00330000

Latest saved OI138Oct 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 $330.00 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. 161800 2026-10-02: 127 OI2026-10-05: 127 OI2026-10-06: 127 OI2026-10-07: 127 OI2026-10-08: 127 OI2026-10-09: 127 OI2026-10-13: 129 OI2026-10-14: 129 OI2026-10-15: 160 OI2026-10-16: 161 OI2026-10-21: 138 OI2026-10-23: 138 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, 2026Viewing1380
Oct 21, 2026138-23
Oct 16, 2026161+1
Oct 15, 2026160+31
Oct 14, 20261290
Oct 13, 2026129+2
Oct 09, 20261270
Oct 08, 20261270
Oct 07, 20261270
Oct 06, 20261270
Oct 05, 20261270
Oct 02, 2026127No prior observation