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Contract OI history

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Dec 18, 2026 EXPIRATION

IBKR $65.00 Put

IBKR261218P00065000

Latest saved OI1,066Oct 23, 2026
Last change+9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IBKR $65.00 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. 1,0665330 2026-10-09: 1,027 OI2026-10-13: 1,027 OI2026-10-14: 1,033 OI2026-10-15: 1,033 OI2026-10-16: 1,046 OI2026-10-21: 1,057 OI2026-10-23: 1,066 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, 2026Viewing1,066+9
Oct 21, 20261,057+11
Oct 16, 20261,046+13
Oct 15, 20261,0330
Oct 14, 20261,033+6
Oct 13, 20261,0270
Oct 09, 20261,027No prior observation