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Contract OI history

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Jan 15, 2027 EXPIRATION

FORM $85.00 Put

FORM270115P00085000

Latest saved OI129Oct 20, 2026
Last change+17vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
FORM $85.00 put open interest history 6 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 129640 2026-10-08: 116 OI2026-10-09: 116 OI2026-10-13: 113 OI2026-10-15: 113 OI2026-10-16: 112 OI2026-10-20: 129 OI Oct 08, 2026Oct 20, 2026

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

FORM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing129+17
Oct 16, 2026112-1
Oct 15, 20261130
Oct 13, 2026113-3
Oct 09, 20261160
Oct 08, 2026116No prior observation