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Contract OI history

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Apr 16, 2027 EXPIRATION

ALGT $55.00 Put

ALGT270416P00055000

Latest saved OI51Oct 20, 2026
Last change+50vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ALGT $55.00 put open interest history 6 saved observations from 2026-10-08 to 2026-10-20. Exact values and changes are listed in the table below. 51250 2026-10-08: 1 OI2026-10-09: 1 OI2026-10-13: 1 OI2026-10-14: 1 OI2026-10-16: 1 OI2026-10-20: 51 OI Oct 08, 2026Oct 20, 2026

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

ALGT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing51+50
Oct 16, 202610
Oct 14, 202610
Oct 13, 202610
Oct 09, 202610
Oct 08, 20261No prior observation