Definition
Flexible offering mechanism under HKEX Practice Note 18. Minimum initial allocation to the public offer tranche is 10% of offering shares, with no clawback mechanism. Maximum initial allocation is 60% (as at least 40% of total offering shares must be allocated to the placing tranche, excluding cornerstones).
Category
Offering Mechanism

Basis

The links above lead to official sources such as HKEX and the SFC. The explanation on this site summarises them and may differ from the official definition; the official documents prevail.

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This page explains the HK IPO term "Mechanism B" and links to related terms. Definitions are compiled from HKEX Practice Note 18 and the Listing Rules, for understanding subscription rules only — not investment advice.

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