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Contract OI history

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Nov 20, 2026 EXPIRATION

TAP $37.50 Put

TAP261120P00037500

Latest saved OI239Oct 23, 2026
Last change-21vs 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. 2601300 2026-10-02: 217 OI2026-10-05: 217 OI2026-10-06: 217 OI2026-10-07: 216 OI2026-10-08: 235 OI2026-10-09: 237 OI2026-10-13: 240 OI2026-10-14: 240 OI2026-10-15: 245 OI2026-10-16: 247 OI2026-10-21: 260 OI2026-10-23: 239 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, 2026Viewing239-21
Oct 21, 2026260+13
Oct 16, 2026247+2
Oct 15, 2026245+5
Oct 14, 20262400
Oct 13, 2026240+3
Oct 09, 2026237+2
Oct 08, 2026235+19
Oct 07, 2026216-1
Oct 06, 20262170
Oct 05, 20262170
Oct 02, 2026217No prior observation