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Contract OI history

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Oct 23, 2026 EXPIRATION

B $39.00 Put

B261023P00039000

Latest saved OI1,080Oct 23, 2026
Last change+221vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $39.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,0805400 2026-10-02: 66 OI2026-10-05: 88 OI2026-10-06: 88 OI2026-10-07: 84 OI2026-10-08: 97 OI2026-10-09: 97 OI2026-10-13: 585 OI2026-10-14: 598 OI2026-10-15: 600 OI2026-10-16: 623 OI2026-10-21: 859 OI2026-10-23: 1,080 OI Oct 02, 2026Oct 23, 2026

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

B contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,080+221
Oct 21, 2026859+236
Oct 16, 2026623+23
Oct 15, 2026600+2
Oct 14, 2026598+13
Oct 13, 2026585+488
Oct 09, 2026970
Oct 08, 202697+13
Oct 07, 202684-4
Oct 06, 2026880
Oct 05, 202688+22
Oct 02, 202666No prior observation