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Contract OI history

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Nov 06, 2026 EXPIRATION

TOST $33.00 Call

TOST261106C00033000

Latest saved OI648Oct 23, 2026
Last change+548vs 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. 6483240 2026-10-02: 12 OI2026-10-05: 19 OI2026-10-06: 20 OI2026-10-07: 22 OI2026-10-08: 22 OI2026-10-09: 25 OI2026-10-13: 38 OI2026-10-14: 38 OI2026-10-15: 38 OI2026-10-16: 50 OI2026-10-21: 100 OI2026-10-23: 648 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, 2026648+548
Oct 21, 2026Viewing100+50
Oct 16, 202650+12
Oct 15, 2026380
Oct 14, 2026380
Oct 13, 202638+13
Oct 09, 202625+3
Oct 08, 2026220
Oct 07, 202622+2
Oct 06, 202620+1
Oct 05, 202619+7
Oct 02, 202612No prior observation