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Contract OI history

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Nov 20, 2026 EXPIRATION

GLAS $2.50 Put

GLAS261120P00002500

Latest saved OI308Oct 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
GLAS $2.50 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. 4012000 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 100 OI2026-10-07: 100 OI2026-10-08: 100 OI2026-10-09: 100 OI2026-10-13: 401 OI2026-10-14: 401 OI2026-10-15: 401 OI2026-10-16: 401 OI2026-10-21: 309 OI2026-10-23: 308 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, 2026308-1
Oct 21, 2026Viewing309-92
Oct 16, 20264010
Oct 15, 20264010
Oct 14, 20264010
Oct 13, 2026401+301
Oct 09, 20261000
Oct 08, 20261000
Oct 07, 20261000
Oct 06, 2026100+100
Oct 05, 202600
Oct 02, 20260No prior observation