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Contract OI history

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Dec 18, 2026 EXPIRATION

IBKR $85.00 Call

IBKR261218C00085000

Latest saved OI637Oct 23, 2026
Last change-13vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IBKR $85.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6503250 2026-10-09: 548 OI2026-10-13: 547 OI2026-10-14: 551 OI2026-10-15: 552 OI2026-10-16: 545 OI2026-10-21: 650 OI2026-10-23: 637 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, 2026Viewing637-13
Oct 21, 2026650+105
Oct 16, 2026545-7
Oct 15, 2026552+1
Oct 14, 2026551+4
Oct 13, 2026547-1
Oct 09, 2026548No prior observation