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Contract OI history

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Dec 18, 2026 EXPIRATION

IESC $250.00 Put

IESC261218P00250000

Latest saved OI215Oct 21, 2026
Last change+1vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
IESC $250.00 put open interest history 6 saved observations from 2026-10-08 to 2026-10-21. Exact values and changes are listed in the table below. 2151070 2026-10-08: 21 OI2026-10-09: 21 OI2026-10-13: 21 OI2026-10-14: 22 OI2026-10-16: 214 OI2026-10-21: 215 OI Oct 08, 2026Oct 21, 2026

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

IESC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing215+1
Oct 16, 2026214+192
Oct 14, 202622+1
Oct 13, 2026210
Oct 09, 2026210
Oct 08, 202621No prior observation