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Contract OI history

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Nov 20, 2026 EXPIRATION

TDC $32.50 Call

TDC261120C00032500

Latest saved OI766Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TDC $32.50 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. 7663830 2026-10-02: 616 OI2026-10-05: 621 OI2026-10-06: 623 OI2026-10-07: 623 OI2026-10-08: 627 OI2026-10-09: 627 OI2026-10-13: 630 OI2026-10-15: 652 OI2026-10-16: 676 OI2026-10-21: 765 OI2026-10-23: 766 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, 2026Viewing766+1
Oct 21, 2026765+89
Oct 16, 2026676+24
Oct 15, 2026652+22
Oct 13, 2026630+3
Oct 09, 20266270
Oct 08, 2026627+4
Oct 07, 20266230
Oct 06, 2026623+2
Oct 05, 2026621+5
Oct 02, 2026616No prior observation