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Contract OI history

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Dec 18, 2026 EXPIRATION

XYZ $77.50 Put

XYZ261218P00077500

Latest saved OI540Oct 23, 2026
Last change+10vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
XYZ $77.50 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. 5402700 2026-10-02: 387 OI2026-10-05: 400 OI2026-10-06: 462 OI2026-10-07: 478 OI2026-10-08: 478 OI2026-10-09: 501 OI2026-10-14: 519 OI2026-10-15: 523 OI2026-10-16: 527 OI2026-10-21: 530 OI2026-10-23: 540 OI Oct 02, 2026Oct 23, 2026

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

XYZ contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing540+10
Oct 21, 2026530+3
Oct 16, 2026527+4
Oct 15, 2026523+4
Oct 14, 2026519+18
Oct 09, 2026501+23
Oct 08, 20264780
Oct 07, 2026478+16
Oct 06, 2026462+62
Oct 05, 2026400+13
Oct 02, 2026387No prior observation