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Contract OI history

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Dec 15, 2028 EXPIRATION

PLTR $390.00 Put

PLTR281215P00390000

Latest saved OI338Oct 23, 2026
Last change+10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PLTR $390.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3381690 2026-10-09: 326 OI2026-10-13: 332 OI2026-10-14: 332 OI2026-10-15: 332 OI2026-10-16: 328 OI2026-10-21: 328 OI2026-10-23: 338 OI Oct 09, 2026Oct 23, 2026

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

PLTR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing338+10
Oct 21, 20263280
Oct 16, 2026328-4
Oct 15, 20263320
Oct 14, 20263320
Oct 13, 2026332+6
Oct 09, 2026326No prior observation