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Contract OI history

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Jan 15, 2027 EXPIRATION

FORM $100.00 Put

FORM270115P00100000

Latest saved OI48Oct 20, 2026
Last change+10vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
FORM $100.00 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. 48240 2026-10-08: 37 OI2026-10-09: 37 OI2026-10-13: 37 OI2026-10-15: 38 OI2026-10-16: 38 OI2026-10-20: 48 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, 2026Viewing48+10
Oct 16, 2026380
Oct 15, 202638+1
Oct 13, 2026370
Oct 09, 2026370
Oct 08, 202637No prior observation