Final broker forecast multiple vs actual. Points above the diagonal = over-forecast.
Grey market trading happens T-1 afternoon before official listing. Compare grey market performance with first-day official performance to assess predictive power. Higher correlation = stronger predictive signal.
Strong correlation — grey market strongly predicts first-day direction.
Grey up / First down: 119 | Grey down / First up: 82
Top 15 IPOs with the largest gap between grey market and first-day returns. Large gaps may indicate low grey market liquidity, information asymmetry, or sudden sentiment shifts.
| # | Stock | Grey Mkt % | First-Day % | Gap |
|---|---|---|---|---|
| 1 | BBSB International Limited (08610) | +415.0% | +11.67% | 403.3% |
| 2 | 森松國際控股有限公司 (02155) | +61.69% | +258.87% | 197.2% |
| 3 | 歐化國際有限公司 (01711) | +0.14% | +185.71% | 185.6% |
| 4 | 360 魯大師控股有限公司 (03601) | +38.89% | +218.52% | 179.6% |
| 5 | WAC Holdings Ltd. (08619) | +67.5% | +245.0% | 177.5% |
| 6 | 賓仕國際控股有限公司 (01705) | +127.0% | +298.0% | 171.0% |
| 7 | 日照港裕廊股份有限公司 - H股 (06117) | +3.33% | +166.67% | 163.3% |
| 8 | 金叶国际集团 (08549) | +476.0% | +330.0% | 146.0% |
| 9 | 毛記葵涌有限公司 (01716) | +575.0% | +431.67% | 143.3% |
| 10 | 天任集團控股有限公司 (01429) | +45.71% | +185.71% | 140.0% |
| 11 | 中國石墨集團有限公司 (02237) | +15.38% | +143.08% | 127.7% |
| 12 | 科利實業控股集團有限公司 (01455) | +102.5% | +230.0% | 127.5% |
| 13 | 邁科管業控股有限公司 (01553) | +117.11% | -5.7% | 122.8% |
| 14 | 中國優質能源集團有限公司 (01573) | +11.11% | +130.0% | 118.9% |
| 15 | 利特米 (01936) | +62.0% | +176.0% | 114.0% |
HKEX launched the FINI platform in November 2023, reducing IPO settlement from T+5 to T+2 and lowering funding costs for investors. How did this regulatory change impact IPO first-day returns, win rates, and market activity?
| Metric | Pre-FINI | Post-FINI | Change |
|---|---|---|---|
| IPO Count | 1550 | 558 | -992 |
| Avg Return | 49.26% | 31.5% | -17.8% |
| Median Return | 2.1% | 7.39% | +5.3% |
| Win Rate | 58.6% | 66.8% | +8.2% |
| Volatility (Std Dev) | 219.73% | 68.58% | -151.1% |
| Avg Oversubscription | 7.7x | 1417.8x | +1410.1x |
| Monthly Avg IPOs | 9.7/mo | 16.4/mo | +6.7/mo |
FINI (Fast Interface for New Issuance) launched 2023-11-22. Key changes: T+5 to T+2 settlement cycle, fully electronic IPO process, reduced funding cost for margin subscribers. Pre-FINI covers all IPOs before Nov 2023; Post-FINI covers Nov 2023 onwards. Past performance does not predict future outcomes.
This page tracks sentiment and capital flows in the HK IPO market: broker margin forecast vs actual oversubscription, grey-market vs first-day return linkage, mainland participation trend, and changes around the FINI era. Data comes from margin dynamics, grey-market prices, and allotment announcements.

