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Contract OI history

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Dec 18, 2026 EXPIRATION

TXN $225.00 Put

TXN261218P00225000

Latest saved OI55Oct 23, 2026
Last change+17vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
TXN $225.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 55270 2026-10-09: 21 OI2026-10-14: 21 OI2026-10-15: 23 OI2026-10-16: 25 OI2026-10-21: 38 OI2026-10-23: 55 OI Oct 09, 2026Oct 23, 2026

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

TXN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing55+17
Oct 21, 202638+13
Oct 16, 202625+2
Oct 15, 202623+2
Oct 14, 2026210
Oct 09, 202621No prior observation