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Contract OI history

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Nov 20, 2026 EXPIRATION

NAMS $25.00 Put

NAMS261120P00025000

Latest saved OI156Oct 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 $25.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 156780 2026-10-08: 150 OI2026-10-09: 150 OI2026-10-13: 150 OI2026-10-14: 150 OI2026-10-16: 156 OI2026-10-20: 156 OI2026-10-23: 156 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, 2026Viewing1560
Oct 20, 20261560
Oct 16, 2026156+6
Oct 14, 20261500
Oct 13, 20261500
Oct 09, 20261500
Oct 08, 2026150No prior observation