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Contract OI history

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Nov 20, 2026 EXPIRATION

SYM $37.50 Put

SYM261120P00037500

Latest saved OI1,043Oct 23, 2026
Last change-9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SYM $37.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,0525260 2026-10-09: 879 OI2026-10-13: 893 OI2026-10-14: 893 OI2026-10-15: 928 OI2026-10-16: 1,050 OI2026-10-20: 1,052 OI2026-10-23: 1,043 OI Oct 09, 2026Oct 23, 2026

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

SYM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,043-9
Oct 20, 20261,052+2
Oct 16, 20261,050+122
Oct 15, 2026928+35
Oct 14, 20268930
Oct 13, 2026893+14
Oct 09, 2026879No prior observation