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Contract OI history

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Oct 23, 2026 EXPIRATION

TOST $33.00 Call

TOST261023C00033000

Latest saved OI723Oct 23, 2026
Last change+9vs 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. 7233610 2026-10-02: 435 OI2026-10-05: 484 OI2026-10-06: 484 OI2026-10-07: 487 OI2026-10-08: 487 OI2026-10-09: 491 OI2026-10-13: 514 OI2026-10-14: 514 OI2026-10-15: 509 OI2026-10-16: 543 OI2026-10-21: 714 OI2026-10-23: 723 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, 2026723+9
Oct 21, 2026Viewing714+171
Oct 16, 2026543+34
Oct 15, 2026509-5
Oct 14, 20265140
Oct 13, 2026514+23
Oct 09, 2026491+4
Oct 08, 20264870
Oct 07, 2026487+3
Oct 06, 20264840
Oct 05, 2026484+49
Oct 02, 2026435No prior observation