OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

NAMS $20.00 Call

NAMS270115C00020000

Latest saved OI1,417Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
NAMS $20.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 1,4177080 2026-10-08: 1,417 OI2026-10-09: 1,417 OI2026-10-13: 1,417 OI2026-10-14: 1,417 OI2026-10-16: 1,417 OI2026-10-20: 1,417 OI2026-10-23: 1,417 OI Oct 08, 2026Oct 23, 2026

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

NAMS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,4170
Oct 20, 20261,4170
Oct 16, 20261,4170
Oct 14, 20261,4170
Oct 13, 20261,4170
Oct 09, 20261,4170
Oct 08, 20261,417No prior observation