The Ticker File · a code archive

6880.hk

2026Code archiveNo market dataFact-file style

6880.hk / System / 688 vs 6880

System · S2

One string, two markets

688 means a market segment in Shanghai — and a single company in Hong Kong.

The same three opening digits carry two unrelated meanings across the border. In Shanghai, 688 is a prefix: every stock on the Science and Technology Innovation Board — the STAR Market — carries a code beginning 688, with a 20 percent daily price band and registration-based listing, distinct from the main board's 10 percent band.[1] In Hong Kong, 6880 is one ticker out of thousands: the physical-AI listing of July 2026.[2]

Shanghai
688xxx
A range, not a company. The STAR Market prefix on the Shanghai Stock Exchange — the registration-reform board for technology listings.
Hong Kong
6880
A single security. One code, one listing, one line in the board's directory — a neighbour to thousands, a prefix to no one.
Why the collision is interesting

Ticker codes are meant to be unique within a market — and only within it. Cross-market collisions are ordinary (a code that is one company in Hong Kong and an unrelated one in Tokyo), but a collision between a whole market segment and a single code is rarer, and the 688/6880 pair happens to land in the same digit culture: 顺发 — smooth and prosper — reads auspiciously in both cities. For a domain registered for the digits, the collision is the subject: this archive keeps the two meanings side by side and lets the number hold both.[3]

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Sources
  1. SSE STAR Market official column — kcb.sse.com.cn (accessed 2026-10-24)
  2. Trading rules overview (price-limit table) — www.sse.com.cn (accessed 2026-10-24)
  3. Chinese trade press, Jul 2026 — finance.yahoo.com/quote/6880.HK (accessed 2026-10-24)
  4. Yahoo Finance quote page — hk.finance.yahoo.com/quote/6880.HK (accessed 2026-10-24)
  5. 21st Century Business Herald, 2019-11-26 — m.21jingji.com/article/20191126/herald/672c3d777ddf7d5b840788a959796df (accessed 2026-10-24)
  6. Yahoo Finance 9988.HK — hk.finance.yahoo.com/quote/9988.HK (accessed 2026-10-24)