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Contract OI history

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Dec 18, 2026 EXPIRATION

IBKR $70.00 Put

IBKR261218P00070000

Latest saved OI983Oct 23, 2026
Last change+34vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IBKR $70.00 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. 9834910 2026-10-09: 900 OI2026-10-13: 903 OI2026-10-14: 904 OI2026-10-15: 911 OI2026-10-16: 922 OI2026-10-21: 949 OI2026-10-23: 983 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, 2026Viewing983+34
Oct 21, 2026949+27
Oct 16, 2026922+11
Oct 15, 2026911+7
Oct 14, 2026904+1
Oct 13, 2026903+3
Oct 09, 2026900No prior observation