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Contract OI history

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Apr 16, 2027 EXPIRATION

WLK $85.00 Call

WLK270416C00085000

Latest saved OI560Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
WLK $85.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5602800 2026-10-02: 257 OI2026-10-05: 257 OI2026-10-06: 307 OI2026-10-07: 307 OI2026-10-08: 307 OI2026-10-09: 307 OI2026-10-12: 307 OI2026-10-14: 307 OI2026-10-15: 395 OI2026-10-16: 395 OI2026-10-21: 560 OI2026-10-23: 560 OI Oct 02, 2026Oct 23, 2026

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

WLK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20265600
Oct 21, 2026Viewing560+165
Oct 16, 20263950
Oct 15, 2026395+88
Oct 14, 20263070
Oct 12, 20263070
Oct 09, 20263070
Oct 08, 20263070
Oct 07, 20263070
Oct 06, 2026307+50
Oct 05, 20262570
Oct 02, 2026257No prior observation