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Contract OI history

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Apr 16, 2027 EXPIRATION

SIG $55.00 Put

SIG270416P00055000

Latest saved OI117Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SIG $55.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 117580 2026-10-02: 114 OI2026-10-06: 114 OI2026-10-07: 114 OI2026-10-08: 114 OI2026-10-13: 114 OI2026-10-14: 114 OI2026-10-15: 114 OI2026-10-16: 117 OI2026-10-20: 117 OI2026-10-23: 117 OI Oct 02, 2026Oct 23, 2026

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

SIG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261170
Oct 20, 2026Viewing1170
Oct 16, 2026117+3
Oct 15, 20261140
Oct 14, 20261140
Oct 13, 20261140
Oct 08, 20261140
Oct 07, 20261140
Oct 06, 20261140
Oct 02, 2026114No prior observation