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Contract OI history

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Apr 16, 2027 EXPIRATION

SARO $17.50 Put

SARO270416P00017500

Latest saved OI40Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SARO $17.50 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 40200 2026-10-02: 2 OI2026-10-05: 2 OI2026-10-06: 31 OI2026-10-07: 31 OI2026-10-08: 39 OI2026-10-09: 37 OI2026-10-13: 37 OI2026-10-14: 37 OI2026-10-15: 37 OI2026-10-16: 35 OI2026-10-21: 35 OI2026-10-23: 40 OI Oct 02, 2026Oct 23, 2026

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

SARO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing40+5
Oct 21, 2026350
Oct 16, 202635-2
Oct 15, 2026370
Oct 14, 2026370
Oct 13, 2026370
Oct 09, 202637-2
Oct 08, 202639+8
Oct 07, 2026310
Oct 06, 202631+29
Oct 05, 202620
Oct 02, 20262No prior observation