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Contract OI history

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Sep 17, 2027 EXPIRATION

T $18.00 Put

T270917P00018000

Latest saved OI1,153Oct 23, 2026
Last change+165vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
T $18.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,1535760 2026-10-02: 62 OI2026-10-05: 92 OI2026-10-06: 340 OI2026-10-07: 340 OI2026-10-08: 330 OI2026-10-09: 533 OI2026-10-14: 712 OI2026-10-15: 712 OI2026-10-16: 711 OI2026-10-21: 988 OI2026-10-23: 1,153 OI Oct 02, 2026Oct 23, 2026

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

T contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,153+165
Oct 21, 2026988+277
Oct 16, 2026711-1
Oct 15, 20267120
Oct 14, 2026712+179
Oct 09, 2026533+203
Oct 08, 2026330-10
Oct 07, 20263400
Oct 06, 2026340+248
Oct 05, 202692+30
Oct 02, 202662No prior observation