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Contract OI history

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Dec 18, 2026 EXPIRATION

SONY $20.00 Put

SONY261218P00020000

Latest saved OI1,954Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SONY $20.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,9549770 2026-10-02: 656 OI2026-10-05: 803 OI2026-10-06: 1,014 OI2026-10-07: 1,013 OI2026-10-08: 1,016 OI2026-10-09: 1,124 OI2026-10-13: 1,894 OI2026-10-14: 1,930 OI2026-10-15: 1,935 OI2026-10-21: 1,953 OI2026-10-23: 1,954 OI Oct 02, 2026Oct 23, 2026

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

SONY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,954+1
Oct 21, 20261,953+18
Oct 15, 20261,935+5
Oct 14, 20261,930+36
Oct 13, 20261,894+770
Oct 09, 20261,124+108
Oct 08, 20261,016+3
Oct 07, 20261,013-1
Oct 06, 20261,014+211
Oct 05, 2026803+147
Oct 02, 2026656No prior observation