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Contract OI history

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Mar 19, 2027 EXPIRATION

IBKR $90.00 Put

IBKR270319P00090000

Latest saved OI157Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IBKR $90.00 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. 157780 2026-10-09: 142 OI2026-10-13: 140 OI2026-10-14: 143 OI2026-10-15: 142 OI2026-10-16: 142 OI2026-10-21: 155 OI2026-10-23: 157 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, 2026Viewing157+2
Oct 21, 2026155+13
Oct 16, 20261420
Oct 15, 2026142-1
Oct 14, 2026143+3
Oct 13, 2026140-2
Oct 09, 2026142No prior observation