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Contract OI history

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Nov 20, 2026 EXPIRATION

EXTR $22.00 Put

EXTR261120P00022000

Latest saved OI14Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
EXTR $22.00 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. 1470 2026-10-08: 6 OI2026-10-09: 7 OI2026-10-13: 10 OI2026-10-14: 10 OI2026-10-16: 10 OI2026-10-20: 11 OI2026-10-23: 14 OI Oct 08, 2026Oct 23, 2026

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

EXTR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing14+3
Oct 20, 202611+1
Oct 16, 2026100
Oct 14, 2026100
Oct 13, 202610+3
Oct 09, 20267+1
Oct 08, 20266No prior observation