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Contract OI history

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Mar 19, 2027 EXPIRATION

HWM $230.00 Put

HWM270319P00230000

Latest saved OI227Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HWM $230.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2271130 2026-10-02: 211 OI2026-10-05: 212 OI2026-10-06: 214 OI2026-10-07: 214 OI2026-10-08: 214 OI2026-10-09: 214 OI2026-10-13: 214 OI2026-10-14: 214 OI2026-10-15: 214 OI2026-10-16: 214 OI2026-10-21: 226 OI2026-10-23: 227 OI Oct 02, 2026Oct 23, 2026

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

HWM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing227+1
Oct 21, 2026226+12
Oct 16, 20262140
Oct 15, 20262140
Oct 14, 20262140
Oct 13, 20262140
Oct 09, 20262140
Oct 08, 20262140
Oct 07, 20262140
Oct 06, 2026214+2
Oct 05, 2026212+1
Oct 02, 2026211No prior observation