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Contract OI history

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Jan 15, 2027 EXPIRATION

IBKR $75.00 Put

IBKR270115P00075000

Latest saved OI563Oct 23, 2026
Last change+109vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IBKR $75.00 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. 5632810 2026-10-09: 444 OI2026-10-13: 448 OI2026-10-14: 448 OI2026-10-15: 448 OI2026-10-16: 447 OI2026-10-21: 454 OI2026-10-23: 563 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, 2026Viewing563+109
Oct 21, 2026454+7
Oct 16, 2026447-1
Oct 15, 20264480
Oct 14, 20264480
Oct 13, 2026448+4
Oct 09, 2026444No prior observation