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Contract OI history

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Jan 15, 2027 EXPIRATION

IBKR $50.00 Put

IBKR270115P00050000

Latest saved OI5,269Oct 23, 2026
Last change+502vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IBKR $50.00 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. 5,2692,6340 2026-10-09: 4,267 OI2026-10-13: 4,267 OI2026-10-14: 4,267 OI2026-10-15: 4,267 OI2026-10-16: 4,267 OI2026-10-21: 4,767 OI2026-10-23: 5,269 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, 2026Viewing5,269+502
Oct 21, 20264,767+500
Oct 16, 20264,2670
Oct 15, 20264,2670
Oct 14, 20264,2670
Oct 13, 20264,2670
Oct 09, 20264,267No prior observation