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Contract OI history

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Jan 15, 2027 EXPIRATION

IBKR $80.00 Put

IBKR270115P00080000

Latest saved OI679Oct 23, 2026
Last change+22vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IBKR $80.00 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. 6793390 2026-10-09: 580 OI2026-10-13: 583 OI2026-10-14: 599 OI2026-10-15: 599 OI2026-10-16: 643 OI2026-10-21: 657 OI2026-10-23: 679 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, 2026Viewing679+22
Oct 21, 2026657+14
Oct 16, 2026643+44
Oct 15, 20265990
Oct 14, 2026599+16
Oct 13, 2026583+3
Oct 09, 2026580No prior observation