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Contract OI history

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Nov 20, 2026 EXPIRATION

SON $50.00 Put

SON261120P00050000

Latest saved OI101Oct 23, 2026
Last change+74vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SON $50.00 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. 101500 2026-10-02: 4 OI2026-10-05: 4 OI2026-10-06: 4 OI2026-10-07: 4 OI2026-10-08: 4 OI2026-10-09: 5 OI2026-10-13: 15 OI2026-10-14: 15 OI2026-10-15: 15 OI2026-10-16: 21 OI2026-10-21: 27 OI2026-10-23: 101 OI Oct 02, 2026Oct 23, 2026

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

SON contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026101+74
Oct 21, 2026Viewing27+6
Oct 16, 202621+6
Oct 15, 2026150
Oct 14, 2026150
Oct 13, 202615+10
Oct 09, 20265+1
Oct 08, 202640
Oct 07, 202640
Oct 06, 202640
Oct 05, 202640
Oct 02, 20264No prior observation