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Contract OI history

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May 21, 2027 EXPIRATION

ING $37.00 Put

ING270521P00037000

Latest saved OI333Oct 20, 2026
Last change+38vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ING $37.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 3331660 2026-10-02: 234 OI2026-10-05: 234 OI2026-10-06: 234 OI2026-10-07: 234 OI2026-10-08: 234 OI2026-10-09: 295 OI2026-10-13: 295 OI2026-10-14: 295 OI2026-10-16: 295 OI2026-10-20: 333 OI Oct 02, 2026Oct 20, 2026

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

ING contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing333+38
Oct 16, 20262950
Oct 14, 20262950
Oct 13, 20262950
Oct 09, 2026295+61
Oct 08, 20262340
Oct 07, 20262340
Oct 06, 20262340
Oct 05, 20262340
Oct 02, 2026234No prior observation