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Contract OI history

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Mar 19, 2027 EXPIRATION

OIS $7.50 Put

OIS270319P00007500

Latest saved OI24Oct 23, 2026
Last change-1vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OIS $7.50 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. 25120 2026-10-02: 21 OI2026-10-05: 21 OI2026-10-06: 21 OI2026-10-07: 21 OI2026-10-09: 21 OI2026-10-13: 21 OI2026-10-14: 21 OI2026-10-16: 25 OI2026-10-20: 25 OI2026-10-23: 24 OI Oct 02, 2026Oct 23, 2026

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

OIS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing24-1
Oct 20, 2026250
Oct 16, 202625+4
Oct 14, 2026210
Oct 13, 2026210
Oct 09, 2026210
Oct 07, 2026210
Oct 06, 2026210
Oct 05, 2026210
Oct 02, 202621No prior observation