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Contract OI history

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Nov 20, 2026 EXPIRATION

GLRE $17.50 Call

GLRE261120C00017500

Latest saved OI298Oct 23, 2026
Last change-18vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GLRE $17.50 call open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 3281640 2026-10-08: 328 OI2026-10-09: 322 OI2026-10-13: 326 OI2026-10-14: 327 OI2026-10-15: 327 OI2026-10-16: 315 OI2026-10-20: 316 OI2026-10-23: 298 OI Oct 08, 2026Oct 23, 2026

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

GLRE contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing298-18
Oct 20, 2026316+1
Oct 16, 2026315-12
Oct 15, 20263270
Oct 14, 2026327+1
Oct 13, 2026326+4
Oct 09, 2026322-6
Oct 08, 2026328No prior observation