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Contract OI history

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Dec 18, 2026 EXPIRATION

INSW $85.00 Put

INSW261218P00085000

Latest saved OI659Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
INSW $85.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6613300 2026-10-02: 661 OI2026-10-05: 661 OI2026-10-06: 660 OI2026-10-07: 660 OI2026-10-08: 660 OI2026-10-09: 660 OI2026-10-13: 659 OI2026-10-14: 659 OI2026-10-15: 659 OI2026-10-16: 659 OI2026-10-21: 659 OI2026-10-23: 659 OI Oct 02, 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, 2026Viewing6590
Oct 21, 20266590
Oct 16, 20266590
Oct 15, 20266590
Oct 14, 20266590
Oct 13, 2026659-1
Oct 09, 20266600
Oct 08, 20266600
Oct 07, 20266600
Oct 06, 2026660-1
Oct 05, 20266610
Oct 02, 2026661No prior observation