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Contract OI history

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Dec 18, 2026 EXPIRATION

SAIL $17.50 Put

SAIL261218P00017500

Latest saved OI1,444Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SAIL $17.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,4447220 2026-10-09: 1,422 OI2026-10-13: 1,440 OI2026-10-14: 1,441 OI2026-10-15: 1,441 OI2026-10-16: 1,441 OI2026-10-20: 1,444 OI2026-10-23: 1,444 OI Oct 09, 2026Oct 23, 2026

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

SAIL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,4440
Oct 20, 20261,444+3
Oct 16, 20261,4410
Oct 15, 20261,4410
Oct 14, 20261,441+1
Oct 13, 20261,440+18
Oct 09, 20261,422No prior observation