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Contract OI history

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Feb 19, 2027 EXPIRATION

BATRK $55.00 Call

BATRK270219C00055000

Latest saved OI24Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BATRK $55.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 24120 2026-10-08: 9 OI2026-10-09: 9 OI2026-10-13: 9 OI2026-10-14: 9 OI2026-10-16: 10 OI2026-10-20: 24 OI2026-10-23: 24 OI Oct 08, 2026Oct 23, 2026

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

BATRK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing240
Oct 20, 202624+14
Oct 16, 202610+1
Oct 14, 202690
Oct 13, 202690
Oct 09, 202690
Oct 08, 20269No prior observation