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Contract OI history

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Mar 19, 2027 EXPIRATION

XYZ $55.00 Put

XYZ270319P00055000

Latest saved OI314Oct 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
XYZ $55.00 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. 3221610 2026-10-02: 321 OI2026-10-05: 322 OI2026-10-06: 321 OI2026-10-07: 320 OI2026-10-08: 320 OI2026-10-09: 320 OI2026-10-14: 317 OI2026-10-15: 317 OI2026-10-16: 317 OI2026-10-21: 316 OI2026-10-23: 314 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, 2026Viewing314-2
Oct 21, 2026316-1
Oct 16, 20263170
Oct 15, 20263170
Oct 14, 2026317-3
Oct 09, 20263200
Oct 08, 20263200
Oct 07, 2026320-1
Oct 06, 2026321-1
Oct 05, 2026322+1
Oct 02, 2026321No prior observation