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Contract OI history

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Jan 15, 2027 EXPIRATION

TAP $37.50 Put

TAP270115P00037500

Latest saved OI537Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TAP $37.50 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5432710 2026-10-02: 542 OI2026-10-05: 542 OI2026-10-06: 542 OI2026-10-07: 541 OI2026-10-08: 542 OI2026-10-09: 542 OI2026-10-13: 542 OI2026-10-14: 542 OI2026-10-15: 543 OI2026-10-16: 543 OI2026-10-21: 538 OI2026-10-23: 537 OI Oct 02, 2026Oct 23, 2026

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

TAP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026537-1
Oct 21, 2026Viewing538-5
Oct 16, 20265430
Oct 15, 2026543+1
Oct 14, 20265420
Oct 13, 20265420
Oct 09, 20265420
Oct 08, 2026542+1
Oct 07, 2026541-1
Oct 06, 20265420
Oct 05, 20265420
Oct 02, 2026542No prior observation