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Contract OI history

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Nov 20, 2026 EXPIRATION

U $37.00 Put

U261120P00037000

Latest saved OI550Oct 23, 2026
Last change-2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
U $37.00 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. 5522760 2026-10-02: 353 OI2026-10-05: 420 OI2026-10-06: 438 OI2026-10-07: 444 OI2026-10-08: 444 OI2026-10-09: 473 OI2026-10-14: 479 OI2026-10-15: 496 OI2026-10-16: 497 OI2026-10-21: 552 OI2026-10-23: 550 OI Oct 02, 2026Oct 23, 2026

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

U contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing550-2
Oct 21, 2026552+55
Oct 16, 2026497+1
Oct 15, 2026496+17
Oct 14, 2026479+6
Oct 09, 2026473+29
Oct 08, 20264440
Oct 07, 2026444+6
Oct 06, 2026438+18
Oct 05, 2026420+67
Oct 02, 2026353No prior observation