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Contract OI history

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Mar 19, 2027 EXPIRATION

TAC $20.00 Call

TAC270319C00020000

Latest saved OI1,002Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TAC $20.00 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. 1,0035010 2026-10-02: 1,002 OI2026-10-05: 1,002 OI2026-10-06: 1,002 OI2026-10-07: 1,003 OI2026-10-08: 1,003 OI2026-10-09: 1,003 OI2026-10-13: 1,003 OI2026-10-14: 1,002 OI2026-10-16: 1,002 OI2026-10-21: 1,002 OI2026-10-23: 1,002 OI Oct 02, 2026Oct 23, 2026

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

TAC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261,0020
Oct 21, 2026Viewing1,0020
Oct 16, 20261,0020
Oct 14, 20261,002-1
Oct 13, 20261,0030
Oct 09, 20261,0030
Oct 08, 20261,0030
Oct 07, 20261,003+1
Oct 06, 20261,0020
Oct 05, 20261,0020
Oct 02, 20261,002No prior observation