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Contract OI history

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Dec 18, 2026 EXPIRATION

VIST $55.00 Put

VIST261218P00055000

Latest saved OI352Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
VIST $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. 3521760 2026-10-02: 347 OI2026-10-05: 347 OI2026-10-06: 350 OI2026-10-07: 350 OI2026-10-08: 350 OI2026-10-09: 350 OI2026-10-13: 350 OI2026-10-14: 352 OI2026-10-16: 352 OI2026-10-20: 352 OI2026-10-23: 352 OI Oct 02, 2026Oct 23, 2026

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

VIST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3520
Oct 20, 20263520
Oct 16, 20263520
Oct 14, 2026352+2
Oct 13, 20263500
Oct 09, 20263500
Oct 08, 20263500
Oct 07, 20263500
Oct 06, 2026350+3
Oct 05, 20263470
Oct 02, 2026347No prior observation