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Contract OI history

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May 21, 2027 EXPIRATION

PDSB $1.50 Call

PDSB270521C00001500

Latest saved OI371Oct 23, 2026
Last change+4vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PDSB $1.50 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3711850 2026-10-09: 77 OI2026-10-13: 330 OI2026-10-14: 348 OI2026-10-16: 357 OI2026-10-20: 367 OI2026-10-23: 371 OI Oct 09, 2026Oct 23, 2026

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

PDSB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing371+4
Oct 20, 2026367+10
Oct 16, 2026357+9
Oct 14, 2026348+18
Oct 13, 2026330+253
Oct 09, 202677No prior observation