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Contract OI history

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May 21, 2027 EXPIRATION

OBDC $10.00 Put

OBDC270521P00010000

Latest saved OI847Oct 23, 2026
Last change+299vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OBDC $10.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8474230 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 0 OI2026-10-09: 326 OI2026-10-13: 332 OI2026-10-14: 332 OI2026-10-16: 332 OI2026-10-20: 548 OI2026-10-23: 847 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

OBDC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing847+299
Oct 20, 2026548+216
Oct 16, 20263320
Oct 14, 20263320
Oct 13, 2026332+6
Oct 09, 2026326+326
Oct 07, 202600
Oct 06, 202600
Oct 05, 202600
Oct 02, 20260No prior observation