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Contract OI history

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Mar 19, 2027 EXPIRATION

COST $1000.00 Call

COST270319C01000000

Latest saved OI291Oct 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 $1000.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3511750 2026-10-09: 349 OI2026-10-13: 351 OI2026-10-14: 351 OI2026-10-15: 329 OI2026-10-16: 303 OI2026-10-21: 308 OI2026-10-23: 291 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, 2026Viewing291-17
Oct 21, 2026308+5
Oct 16, 2026303-26
Oct 15, 2026329-22
Oct 14, 20263510
Oct 13, 2026351+2
Oct 09, 2026349No prior observation