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Contract OI history

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Dec 15, 2028 EXPIRATION

COST $900.00 Call

COST281215C00900000

Latest saved OI122Oct 23, 2026
Last change+20vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
COST $900.00 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. 122610 2026-10-09: 102 OI2026-10-13: 102 OI2026-10-14: 102 OI2026-10-15: 99 OI2026-10-16: 99 OI2026-10-21: 102 OI2026-10-23: 122 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, 2026Viewing122+20
Oct 21, 2026102+3
Oct 16, 2026990
Oct 15, 202699-3
Oct 14, 20261020
Oct 13, 20261020
Oct 09, 2026102No prior observation