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Contract OI history

Back to TOST

Oct 23, 2026 EXPIRATION

TOST $34.00 Call

TOST261023C00034000

Latest saved OI483Oct 23, 2026
Last change+232vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TOST $34.00 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. 4832410 2026-10-02: 33 OI2026-10-05: 33 OI2026-10-06: 33 OI2026-10-07: 43 OI2026-10-08: 43 OI2026-10-09: 53 OI2026-10-13: 54 OI2026-10-14: 54 OI2026-10-15: 53 OI2026-10-16: 67 OI2026-10-21: 251 OI2026-10-23: 483 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, 2026483+232
Oct 21, 2026Viewing251+184
Oct 16, 202667+14
Oct 15, 202653-1
Oct 14, 2026540
Oct 13, 202654+1
Oct 09, 202653+10
Oct 08, 2026430
Oct 07, 202643+10
Oct 06, 2026330
Oct 05, 2026330
Oct 02, 202633No prior observation