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Contract OI history

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Jan 21, 2028 EXPIRATION

IBKR $65.00 Put

IBKR280121P00065000

Latest saved OI2,878Oct 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 $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. 2,8781,4390 2026-10-09: 2,878 OI2026-10-13: 2,878 OI2026-10-14: 2,878 OI2026-10-15: 2,878 OI2026-10-16: 2,878 OI2026-10-21: 2,878 OI2026-10-23: 2,878 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, 2026Viewing2,8780
Oct 21, 20262,8780
Oct 16, 20262,8780
Oct 15, 20262,8780
Oct 14, 20262,8780
Oct 13, 20262,8780
Oct 09, 20262,878No prior observation