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Contract OI history

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Mar 19, 2027 EXPIRATION

BLK $1060.00 Put

BLK270319P01060000

Latest saved OI54Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BLK $1060.00 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. 56280 2026-10-02: 56 OI2026-10-05: 55 OI2026-10-06: 55 OI2026-10-07: 55 OI2026-10-08: 55 OI2026-10-09: 55 OI2026-10-13: 55 OI2026-10-14: 55 OI2026-10-15: 55 OI2026-10-16: 55 OI2026-10-21: 54 OI2026-10-23: 54 OI Oct 02, 2026Oct 23, 2026

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

BLK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing540
Oct 21, 202654-1
Oct 16, 2026550
Oct 15, 2026550
Oct 14, 2026550
Oct 13, 2026550
Oct 09, 2026550
Oct 08, 2026550
Oct 07, 2026550
Oct 06, 2026550
Oct 05, 202655-1
Oct 02, 202656No prior observation