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Contract OI history

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Mar 19, 2027 EXPIRATION

SONY $17.50 Put

SONY270319P00017500

Latest saved OI365Oct 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 $17.50 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. 3661830 2026-10-02: 327 OI2026-10-05: 327 OI2026-10-06: 331 OI2026-10-07: 332 OI2026-10-08: 332 OI2026-10-09: 366 OI2026-10-13: 366 OI2026-10-14: 366 OI2026-10-15: 366 OI2026-10-21: 366 OI2026-10-23: 365 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, 2026Viewing365-1
Oct 21, 20263660
Oct 15, 20263660
Oct 14, 20263660
Oct 13, 20263660
Oct 09, 2026366+34
Oct 08, 20263320
Oct 07, 2026332+1
Oct 06, 2026331+4
Oct 05, 20263270
Oct 02, 2026327No prior observation