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Contract OI history

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Nov 20, 2026 EXPIRATION

SYM $32.50 Put

SYM261120P00032500

Latest saved OI440Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SYM $32.50 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. 4402200 2026-10-09: 378 OI2026-10-13: 380 OI2026-10-14: 380 OI2026-10-15: 391 OI2026-10-16: 425 OI2026-10-20: 439 OI2026-10-23: 440 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, 2026Viewing440+1
Oct 20, 2026439+14
Oct 16, 2026425+34
Oct 15, 2026391+11
Oct 14, 20263800
Oct 13, 2026380+2
Oct 09, 2026378No prior observation