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Contract OI history

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Nov 06, 2026 EXPIRATION

COST $925.00 Put

COST261106P00925000

Latest saved OI277Oct 23, 2026
Last change-17vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
COST $925.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2941470 2026-10-09: 261 OI2026-10-13: 265 OI2026-10-14: 265 OI2026-10-15: 264 OI2026-10-16: 278 OI2026-10-21: 294 OI2026-10-23: 277 OI Oct 09, 2026Oct 23, 2026

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

COST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing277-17
Oct 21, 2026294+16
Oct 16, 2026278+14
Oct 15, 2026264-1
Oct 14, 20262650
Oct 13, 2026265+4
Oct 09, 2026261No prior observation