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Contract OI history

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Nov 20, 2026 EXPIRATION

SURG $500.00 Put

SURG261120P00000500

Latest saved OI385Oct 23, 2026
Last change+381vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SURG $500.00 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. 3851920 2026-10-09: 2 OI2026-10-13: 2 OI2026-10-14: 2 OI2026-10-16: 3 OI2026-10-20: 4 OI2026-10-23: 385 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, 2026385+381
Oct 20, 2026Viewing4+1
Oct 16, 20263+1
Oct 14, 202620
Oct 13, 202620
Oct 09, 20262No prior observation