OITracker Cboe delayed data

Contract OI history

Back to SYM

Nov 20, 2026 EXPIRATION

SYM $55.00 Put

SYM261120P00055000

Latest saved OI349Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SYM $55.00 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. 3551770 2026-10-09: 355 OI2026-10-13: 355 OI2026-10-14: 355 OI2026-10-15: 355 OI2026-10-16: 349 OI2026-10-20: 349 OI2026-10-23: 349 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, 2026Viewing3490
Oct 20, 20263490
Oct 16, 2026349-6
Oct 15, 20263550
Oct 14, 20263550
Oct 13, 20263550
Oct 09, 2026355No prior observation