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Contract OI history

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Nov 20, 2026 EXPIRATION

BFLY $5.00 Call

BFLY261120C00005000

Latest saved OI1,112Oct 23, 2026
Last change+72vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BFLY $5.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,1125560 2026-10-02: 291 OI2026-10-05: 291 OI2026-10-06: 287 OI2026-10-07: 290 OI2026-10-08: 551 OI2026-10-09: 581 OI2026-10-13: 524 OI2026-10-14: 547 OI2026-10-15: 547 OI2026-10-16: 607 OI2026-10-21: 1,040 OI2026-10-23: 1,112 OI Oct 02, 2026Oct 23, 2026

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

BFLY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,112+72
Oct 21, 20261,040+433
Oct 16, 2026607+60
Oct 15, 20265470
Oct 14, 2026547+23
Oct 13, 2026524-57
Oct 09, 2026581+30
Oct 08, 2026551+261
Oct 07, 2026290+3
Oct 06, 2026287-4
Oct 05, 20262910
Oct 02, 2026291No prior observation