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Contract OI history

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Jan 15, 2027 EXPIRATION

TDC $40.00 Call

TDC270115C00040000

Latest saved OI399Oct 23, 2026
Last change+6vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TDC $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. 3991990 2026-10-02: 393 OI2026-10-05: 393 OI2026-10-06: 393 OI2026-10-07: 393 OI2026-10-08: 393 OI2026-10-09: 394 OI2026-10-13: 395 OI2026-10-15: 395 OI2026-10-16: 395 OI2026-10-21: 393 OI2026-10-23: 399 OI Oct 02, 2026Oct 23, 2026

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

TDC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing399+6
Oct 21, 2026393-2
Oct 16, 20263950
Oct 15, 20263950
Oct 13, 2026395+1
Oct 09, 2026394+1
Oct 08, 20263930
Oct 07, 20263930
Oct 06, 20263930
Oct 05, 20263930
Oct 02, 2026393No prior observation