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Contract OI history

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Nov 20, 2026 EXPIRATION

AMBA $52.50 Put

AMBA261120P00052500

Latest saved OI24Oct 21, 2026
Last change0vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
AMBA $52.50 put open interest history 5 saved observations from 2026-10-09 to 2026-10-21. Exact values and changes are listed in the table below. 24120 2026-10-09: 15 OI2026-10-13: 15 OI2026-10-14: 19 OI2026-10-16: 24 OI2026-10-21: 24 OI Oct 09, 2026Oct 21, 2026

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

AMBA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing240
Oct 16, 202624+5
Oct 14, 202619+4
Oct 13, 2026150
Oct 09, 202615No prior observation