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Contract OI history

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Oct 23, 2026 EXPIRATION

BULL $6.50 Put

BULL261023P00006500

Latest saved OI2,240Oct 23, 2026
Last change-444vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BULL $6.50 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. 2,6841,3420 2026-10-09: 2,568 OI2026-10-13: 2,607 OI2026-10-14: 2,607 OI2026-10-15: 2,610 OI2026-10-16: 2,606 OI2026-10-21: 2,684 OI2026-10-23: 2,240 OI Oct 09, 2026Oct 23, 2026

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

BULL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,240-444
Oct 21, 20262,684+78
Oct 16, 20262,606-4
Oct 15, 20262,610+3
Oct 14, 20262,6070
Oct 13, 20262,607+39
Oct 09, 20262,568No prior observation