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Contract OI history

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Nov 20, 2026 EXPIRATION

TOST $37.00 Call

TOST261120C00037000

Latest saved OI412Oct 23, 2026
Last change+12vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TOST $37.00 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. 4122060 2026-10-02: 162 OI2026-10-05: 155 OI2026-10-06: 174 OI2026-10-07: 277 OI2026-10-08: 277 OI2026-10-09: 297 OI2026-10-13: 302 OI2026-10-14: 302 OI2026-10-15: 313 OI2026-10-16: 331 OI2026-10-21: 400 OI2026-10-23: 412 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, 2026Viewing412+12
Oct 21, 2026400+69
Oct 16, 2026331+18
Oct 15, 2026313+11
Oct 14, 20263020
Oct 13, 2026302+5
Oct 09, 2026297+20
Oct 08, 20262770
Oct 07, 2026277+103
Oct 06, 2026174+19
Oct 05, 2026155-7
Oct 02, 2026162No prior observation