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Contract OI history

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Nov 20, 2026 EXPIRATION

TOST $33.00 Call

TOST261120C00033000

Latest saved OI767Oct 23, 2026
Last change+36vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TOST $33.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 7673830 2026-10-02: 411 OI2026-10-05: 412 OI2026-10-06: 513 OI2026-10-07: 514 OI2026-10-08: 514 OI2026-10-09: 520 OI2026-10-13: 555 OI2026-10-14: 555 OI2026-10-15: 580 OI2026-10-16: 587 OI2026-10-21: 731 OI2026-10-23: 767 OI Oct 02, 2026Oct 23, 2026

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

TOST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing767+36
Oct 21, 2026731+144
Oct 16, 2026587+7
Oct 15, 2026580+25
Oct 14, 20265550
Oct 13, 2026555+35
Oct 09, 2026520+6
Oct 08, 20265140
Oct 07, 2026514+1
Oct 06, 2026513+101
Oct 05, 2026412+1
Oct 02, 2026411No prior observation