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What is Book-building?

The process in an IPO of collecting investors' share purchase orders over set days and allocating them under the distribution rules.

Orders may be collected at a fixed price or within a price range; allocation percentages for domestic retail, domestic institutional and foreign institutional investors are set out in the prospectus. Results are announced in the sales results report.

Source: SPK Pay Tebliği (VII-128.1)

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Last updated: October 31, 2026 · This definition is for general information only.

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