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Contract OI history

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Dec 17, 2027 EXPIRATION

GLAS $20.00 Put

GLAS271217P00020000

Latest saved OI2Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GLAS $20.00 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. 2821410 2026-10-02: 262 OI2026-10-05: 282 OI2026-10-06: 282 OI2026-10-07: 282 OI2026-10-08: 282 OI2026-10-09: 282 OI2026-10-13: 251 OI2026-10-14: 200 OI2026-10-15: 0 OI2026-10-16: 0 OI2026-10-21: 2 OI2026-10-23: 2 OI Oct 02, 2026Oct 23, 2026

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

GLAS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing20
Oct 21, 20262+2
Oct 16, 202600
Oct 15, 20260-200
Oct 14, 2026200-51
Oct 13, 2026251-31
Oct 09, 20262820
Oct 08, 20262820
Oct 07, 20262820
Oct 06, 20262820
Oct 05, 2026282+20
Oct 02, 2026262No prior observation