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Contract OI history

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Nov 20, 2026 EXPIRATION

TOST $36.00 Call

TOST261120C00036000

Latest saved OI758Oct 23, 2026
Last change+153vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TOST $36.00 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. 7583790 2026-10-02: 345 OI2026-10-05: 396 OI2026-10-06: 421 OI2026-10-07: 456 OI2026-10-08: 456 OI2026-10-09: 472 OI2026-10-13: 503 OI2026-10-14: 503 OI2026-10-15: 503 OI2026-10-16: 526 OI2026-10-21: 605 OI2026-10-23: 758 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, 2026Viewing758+153
Oct 21, 2026605+79
Oct 16, 2026526+23
Oct 15, 20265030
Oct 14, 20265030
Oct 13, 2026503+31
Oct 09, 2026472+16
Oct 08, 20264560
Oct 07, 2026456+35
Oct 06, 2026421+25
Oct 05, 2026396+51
Oct 02, 2026345No prior observation