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Contract OI history

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May 21, 2027 EXPIRATION

SURG $1000.00 Put

SURG270521P00001000

Latest saved OI2Oct 23, 2026
Last change+2vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SURG $1000.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4062030 2026-10-09: 406 OI2026-10-13: 406 OI2026-10-14: 406 OI2026-10-16: 0 OI2026-10-20: 0 OI2026-10-23: 2 OI Oct 09, 2026Oct 23, 2026

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

SURG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20262+2
Oct 20, 2026Viewing00
Oct 16, 20260-406
Oct 14, 20264060
Oct 13, 20264060
Oct 09, 2026406No prior observation