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Contract OI history

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Jul 16, 2027 EXPIRATION

WY $20.00 Put

WY270716P00020000

Latest saved OI500Oct 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
WY $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. 5002500 2026-10-02: 464 OI2026-10-05: 468 OI2026-10-06: 468 OI2026-10-07: 468 OI2026-10-08: 468 OI2026-10-09: 493 OI2026-10-14: 494 OI2026-10-15: 499 OI2026-10-16: 499 OI2026-10-21: 499 OI2026-10-23: 500 OI Oct 02, 2026Oct 23, 2026

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

WY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing500+1
Oct 21, 20264990
Oct 16, 20264990
Oct 15, 2026499+5
Oct 14, 2026494+1
Oct 09, 2026493+25
Oct 08, 20264680
Oct 07, 20264680
Oct 06, 20264680
Oct 05, 2026468+4
Oct 02, 2026464No prior observation