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Contract OI history

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Nov 20, 2026 EXPIRATION

SPG $185.00 Put

SPG261120P00185000

Latest saved OI127Oct 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
SPG $185.00 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. 128640 2026-10-02: 39 OI2026-10-05: 41 OI2026-10-06: 43 OI2026-10-07: 46 OI2026-10-08: 59 OI2026-10-09: 112 OI2026-10-14: 128 OI2026-10-15: 128 OI2026-10-16: 128 OI2026-10-21: 128 OI2026-10-23: 127 OI Oct 02, 2026Oct 23, 2026

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

SPG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing127-1
Oct 21, 20261280
Oct 16, 20261280
Oct 15, 20261280
Oct 14, 2026128+16
Oct 09, 2026112+53
Oct 08, 202659+13
Oct 07, 202646+3
Oct 06, 202643+2
Oct 05, 202641+2
Oct 02, 202639No prior observation