OITracker Cboe delayed data

Contract OI history

Back to AMSC

Jan 15, 2027 EXPIRATION

AMSC $25.00 Put

AMSC270115P00025000

Latest saved OI560Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
AMSC $25.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 5612800 2026-10-08: 505 OI2026-10-09: 506 OI2026-10-13: 506 OI2026-10-14: 560 OI2026-10-16: 561 OI2026-10-21: 559 OI2026-10-23: 560 OI Oct 08, 2026Oct 23, 2026

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

AMSC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing560+1
Oct 21, 2026559-2
Oct 16, 2026561+1
Oct 14, 2026560+54
Oct 13, 20265060
Oct 09, 2026506+1
Oct 08, 2026505No prior observation