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Contract OI history

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Jan 15, 2027 EXPIRATION

IBKR $57.50 Put

IBKR270115P00057500

Latest saved OI1,068Oct 23, 2026
Last change+18vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IBKR $57.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,0685340 2026-10-09: 334 OI2026-10-13: 334 OI2026-10-14: 334 OI2026-10-15: 334 OI2026-10-16: 334 OI2026-10-21: 1,050 OI2026-10-23: 1,068 OI Oct 09, 2026Oct 23, 2026

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

IBKR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,068+18
Oct 21, 20261,050+716
Oct 16, 20263340
Oct 15, 20263340
Oct 14, 20263340
Oct 13, 20263340
Oct 09, 2026334No prior observation