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Contract OI history

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Mar 19, 2027 EXPIRATION

INSW $170.00 Put

INSW270319P00170000

Latest saved OI7Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 05, 2026 onwards
Daily open interest Hover a point for its date and OI
INSW $170.00 put open interest history 11 saved observations from 2026-10-05 to 2026-10-23. Exact values and changes are listed in the table below. 730 2026-10-05: 0 OI2026-10-06: 1 OI2026-10-07: 1 OI2026-10-08: 1 OI2026-10-09: 3 OI2026-10-13: 6 OI2026-10-14: 6 OI2026-10-15: 6 OI2026-10-16: 7 OI2026-10-21: 7 OI2026-10-23: 7 OI Oct 05, 2026Oct 23, 2026

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

INSW contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing70
Oct 21, 202670
Oct 16, 20267+1
Oct 15, 202660
Oct 14, 202660
Oct 13, 20266+3
Oct 09, 20263+2
Oct 08, 202610
Oct 07, 202610
Oct 06, 20261+1
Oct 05, 20260No prior observation