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Contract OI history

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Oct 30, 2026 EXPIRATION

CIEN $365.00 Put

CIEN261030P00365000

Latest saved OI245Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $365.00 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. 2451220 2026-10-02: 15 OI2026-10-05: 25 OI2026-10-06: 62 OI2026-10-07: 62 OI2026-10-08: 62 OI2026-10-09: 230 OI2026-10-13: 232 OI2026-10-14: 232 OI2026-10-15: 234 OI2026-10-16: 234 OI2026-10-21: 244 OI2026-10-23: 245 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, 2026Viewing245+1
Oct 21, 2026244+10
Oct 16, 20262340
Oct 15, 2026234+2
Oct 14, 20262320
Oct 13, 2026232+2
Oct 09, 2026230+168
Oct 08, 2026620
Oct 07, 2026620
Oct 06, 202662+37
Oct 05, 202625+10
Oct 02, 202615No prior observation