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Contract OI history

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Dec 18, 2026 EXPIRATION

SYM $35.00 Put

SYM261218P00035000

Latest saved OI142Oct 23, 2026
Last change-4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SYM $35.00 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. 146730 2026-10-09: 80 OI2026-10-13: 88 OI2026-10-14: 88 OI2026-10-15: 111 OI2026-10-16: 113 OI2026-10-20: 146 OI2026-10-23: 142 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, 2026Viewing142-4
Oct 20, 2026146+33
Oct 16, 2026113+2
Oct 15, 2026111+23
Oct 14, 2026880
Oct 13, 202688+8
Oct 09, 202680No prior observation