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Contract OI history

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Nov 20, 2026 EXPIRATION

TBCH $17.50 Call

TBCH261120C00017500

Latest saved OI518Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
TBCH $17.50 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 5182590 2026-10-08: 2 OI2026-10-09: 2 OI2026-10-13: 2 OI2026-10-15: 3 OI2026-10-16: 10 OI2026-10-21: 514 OI2026-10-23: 518 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

TBCH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing518+4
Oct 21, 2026514+504
Oct 16, 202610+7
Oct 15, 20263+1
Oct 13, 202620
Oct 09, 202620
Oct 08, 20262No prior observation