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Contract OI history

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Nov 20, 2026 EXPIRATION

FIS $35.00 Put

FIS261120P00035000

Latest saved OI186Oct 23, 2026
Last change-34vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FIS $35.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2201100 2026-10-02: 173 OI2026-10-05: 178 OI2026-10-06: 211 OI2026-10-07: 211 OI2026-10-08: 212 OI2026-10-09: 209 OI2026-10-13: 215 OI2026-10-14: 215 OI2026-10-15: 187 OI2026-10-16: 203 OI2026-10-21: 220 OI2026-10-23: 186 OI Oct 02, 2026Oct 23, 2026

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

FIS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing186-34
Oct 21, 2026220+17
Oct 16, 2026203+16
Oct 15, 2026187-28
Oct 14, 20262150
Oct 13, 2026215+6
Oct 09, 2026209-3
Oct 08, 2026212+1
Oct 07, 20262110
Oct 06, 2026211+33
Oct 05, 2026178+5
Oct 02, 2026173No prior observation