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Contract OI history

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Jan 15, 2027 EXPIRATION

IBKR $22.50 Put

IBKR270115P00022500

Latest saved OI375Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IBKR $22.50 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. 3751870 2026-10-09: 375 OI2026-10-13: 375 OI2026-10-14: 375 OI2026-10-15: 375 OI2026-10-16: 375 OI2026-10-21: 375 OI2026-10-23: 375 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, 2026Viewing3750
Oct 21, 20263750
Oct 16, 20263750
Oct 15, 20263750
Oct 14, 20263750
Oct 13, 20263750
Oct 09, 2026375No prior observation