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Contract OI history

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Nov 20, 2026 EXPIRATION

IESC $280.00 Put

IESC261120P00280000

Latest saved OI66Oct 21, 2026
Last change+3vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
IESC $280.00 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. 66330 2026-10-08: 5 OI2026-10-09: 43 OI2026-10-13: 58 OI2026-10-14: 59 OI2026-10-16: 63 OI2026-10-21: 66 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, 2026Viewing66+3
Oct 16, 202663+4
Oct 14, 202659+1
Oct 13, 202658+15
Oct 09, 202643+38
Oct 08, 20265No prior observation