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Contract OI history

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Dec 18, 2026 EXPIRATION

FSLY $17.50 Put

FSLY261218P00017500

Latest saved OI530Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FSLY $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. 5302650 2026-10-09: 522 OI2026-10-13: 522 OI2026-10-14: 522 OI2026-10-15: 522 OI2026-10-16: 529 OI2026-10-21: 530 OI2026-10-23: 530 OI Oct 09, 2026Oct 23, 2026

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

FSLY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5300
Oct 21, 2026530+1
Oct 16, 2026529+7
Oct 15, 20265220
Oct 14, 20265220
Oct 13, 20265220
Oct 09, 2026522No prior observation