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Contract OI history

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Dec 18, 2026 EXPIRATION

WSC $15.00 Put

WSC261218P00015000

Latest saved OI727Oct 23, 2026
Last change0vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
WSC $15.00 put open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 7273630 2026-10-08: 551 OI2026-10-09: 653 OI2026-10-13: 654 OI2026-10-14: 655 OI2026-10-15: 724 OI2026-10-16: 724 OI2026-10-20: 727 OI2026-10-23: 727 OI Oct 08, 2026Oct 23, 2026

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

WSC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing7270
Oct 20, 2026727+3
Oct 16, 20267240
Oct 15, 2026724+69
Oct 14, 2026655+1
Oct 13, 2026654+1
Oct 09, 2026653+102
Oct 08, 2026551No prior observation