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Contract OI history

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Nov 06, 2026 EXPIRATION

MAR $400.00 Call

MAR261106C00400000

Latest saved OI378Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MAR $400.00 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. 3791890 2026-10-09: 369 OI2026-10-13: 369 OI2026-10-14: 374 OI2026-10-15: 375 OI2026-10-16: 379 OI2026-10-21: 379 OI2026-10-23: 378 OI Oct 09, 2026Oct 23, 2026

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

MAR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing378-1
Oct 21, 20263790
Oct 16, 2026379+4
Oct 15, 2026375+1
Oct 14, 2026374+5
Oct 13, 20263690
Oct 09, 2026369No prior observation