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Contract OI history

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Oct 23, 2026 EXPIRATION

TOST $32.00 Call

TOST261023C00032000

Latest saved OI743Oct 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 $32.00 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. 7793890 2026-10-02: 265 OI2026-10-05: 290 OI2026-10-06: 291 OI2026-10-07: 293 OI2026-10-08: 293 OI2026-10-09: 363 OI2026-10-13: 388 OI2026-10-14: 388 OI2026-10-15: 393 OI2026-10-16: 399 OI2026-10-21: 779 OI2026-10-23: 743 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, 2026Viewing743-36
Oct 21, 2026779+380
Oct 16, 2026399+6
Oct 15, 2026393+5
Oct 14, 20263880
Oct 13, 2026388+25
Oct 09, 2026363+70
Oct 08, 20262930
Oct 07, 2026293+2
Oct 06, 2026291+1
Oct 05, 2026290+25
Oct 02, 2026265No prior observation