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Contract OI history

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Nov 20, 2026 EXPIRATION

SYM $42.50 Put

SYM261120P00042500

Latest saved OI4,517Oct 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 $42.50 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. 4,5182,2590 2026-10-09: 1,989 OI2026-10-13: 1,988 OI2026-10-14: 1,988 OI2026-10-15: 1,991 OI2026-10-16: 1,996 OI2026-10-20: 4,518 OI2026-10-23: 4,517 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, 2026Viewing4,517-1
Oct 20, 20264,518+2,522
Oct 16, 20261,996+5
Oct 15, 20261,991+3
Oct 14, 20261,9880
Oct 13, 20261,988-1
Oct 09, 20261,989No prior observation