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Contract OI history

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Dec 15, 2028 EXPIRATION

PANW $320.00 Put

PANW281215P00320000

Latest saved OI597Oct 23, 2026
Last change-14vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PANW $320.00 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. 6113050 2026-10-09: 498 OI2026-10-13: 492 OI2026-10-14: 492 OI2026-10-15: 492 OI2026-10-16: 492 OI2026-10-21: 611 OI2026-10-23: 597 OI Oct 09, 2026Oct 23, 2026

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

PANW contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing597-14
Oct 21, 2026611+119
Oct 16, 20264920
Oct 15, 20264920
Oct 14, 20264920
Oct 13, 2026492-6
Oct 09, 2026498No prior observation