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Contract OI history

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Dec 18, 2026 EXPIRATION

TDS $40.00 Call

TDS261218C00040000

Latest saved OI133Oct 23, 2026
Last change-3vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TDS $40.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 136680 2026-10-02: 124 OI2026-10-05: 124 OI2026-10-06: 124 OI2026-10-07: 124 OI2026-10-08: 124 OI2026-10-09: 124 OI2026-10-13: 124 OI2026-10-14: 124 OI2026-10-16: 124 OI2026-10-20: 136 OI2026-10-23: 133 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

TDS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing133-3
Oct 20, 2026136+12
Oct 16, 20261240
Oct 14, 20261240
Oct 13, 20261240
Oct 09, 20261240
Oct 08, 20261240
Oct 07, 20261240
Oct 06, 20261240
Oct 05, 20261240
Oct 02, 2026124No prior observation