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Contract OI history

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May 21, 2027 EXPIRATION

SBLK $40.00 Put

SBLK270521P00040000

Latest saved OI553Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SBLK $40.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 5532760 2026-10-09: 543 OI2026-10-13: 547 OI2026-10-15: 548 OI2026-10-16: 550 OI2026-10-21: 553 OI2026-10-23: 553 OI Oct 09, 2026Oct 23, 2026

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

SBLK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20265530
Oct 21, 2026Viewing553+3
Oct 16, 2026550+2
Oct 15, 2026548+1
Oct 13, 2026547+4
Oct 09, 2026543No prior observation