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Contract OI history

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Jan 15, 2027 EXPIRATION

CIEN $330.00 Put

CIEN270115P00330000

Latest saved OI295Oct 23, 2026
Last change+52vs 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. 2951470 2026-10-02: 207 OI2026-10-05: 206 OI2026-10-06: 206 OI2026-10-07: 210 OI2026-10-08: 210 OI2026-10-09: 233 OI2026-10-13: 231 OI2026-10-14: 231 OI2026-10-15: 245 OI2026-10-16: 244 OI2026-10-21: 243 OI2026-10-23: 295 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, 2026Viewing295+52
Oct 21, 2026243-1
Oct 16, 2026244-1
Oct 15, 2026245+14
Oct 14, 20262310
Oct 13, 2026231-2
Oct 09, 2026233+23
Oct 08, 20262100
Oct 07, 2026210+4
Oct 06, 20262060
Oct 05, 2026206-1
Oct 02, 2026207No prior observation