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Contract OI history

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Nov 20, 2026 EXPIRATION

VIST $55.00 Put

VIST261120P00055000

Latest saved OI358Oct 23, 2026
Last change-1vs 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. 3601800 2026-10-02: 357 OI2026-10-05: 357 OI2026-10-06: 358 OI2026-10-07: 358 OI2026-10-08: 358 OI2026-10-09: 359 OI2026-10-13: 360 OI2026-10-14: 359 OI2026-10-16: 359 OI2026-10-20: 359 OI2026-10-23: 358 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, 2026Viewing358-1
Oct 20, 20263590
Oct 16, 20263590
Oct 14, 2026359-1
Oct 13, 2026360+1
Oct 09, 2026359+1
Oct 08, 20263580
Oct 07, 20263580
Oct 06, 2026358+1
Oct 05, 20263570
Oct 02, 2026357No prior observation