Margin dynamics Margin multiple2595.49x Margin funds1521.7100M TradeGo forecast multiple3114.59x
Rank Broker Margin funds
1 富途证券富途 1014.8100M
2 辉立证券辉立 210.0100M
3 老虎国际老虎 172.3100M
4 华泰国际华泰 79.5100M
5 华盛证券华盛 25.5100M
6 卓锐证券 11.6100M
7 长桥证券长桥 2.9100M
8 信诚证券信诚 2.0100M
9 盈立证券盈立 1.9100M
11 TradeGo MarketsTradeGo 584710K
12 盈宝证券盈宝 242110K
13 FunderstoneFunderstone 236110K
14 艾德证券艾德 113410K
Margin multiple
TimeMultiple
2025-12-15T06:00:00+08:000
2025-12-15T10:16:36+08:000.006993006993006993
2025-12-15T10:17:27+08:000.08152822786969129
2025-12-15T10:17:46+08:000.7166979362101313
2025-12-15T10:19:12+08:000.8360907385297629
2025-12-15T11:15:54+08:000.9566774688725909
2025-12-15T11:16:49+08:001.073341292853488
2025-12-15T11:17:36+08:001.7675251577690603
2025-12-15T11:19:01+08:002.176871908579226
2025-12-15T12:05:27+08:002.2556711581101827
2025-12-15T12:06:24+08:002.286372164420945
2025-12-15T12:07:16+08:002.837796349991472
2025-12-15T12:08:22+08:003.4859287054409007
2025-12-15T12:08:45+08:003.741770424697254
2025-12-15T13:45:13+08:004.241002899539485
2025-12-15T13:46:26+08:004.246119733924612
2025-12-15T13:47:56+08:006.429302404912161
2025-12-15T13:50:56+08:006.4796179430325775
2025-12-15T13:51:50+08:006.530786286883848
2025-12-15T14:01:58+08:006.537949855023026
2025-12-15T14:03:04+08:007.192392972880778
2025-12-15T14:07:49+08:007.24953095684803
2025-12-15T14:08:49+08:007.931775541531639
2025-12-15T14:09:46+08:008.122462902950708
2025-12-15T15:10:07+08:008.198021490704418
2025-12-15T15:11:22+08:008.328500767525158
2025-12-15T15:12:02+08:008.361930752174654
2025-12-15T15:13:07+08:008.856558076070272
2025-12-15T16:08:13+08:008.88077775882654
2025-12-15T16:08:58+08:009.060719768036842
2025-12-15T16:09:35+08:009.116663823980897
2025-12-15T16:10:40+08:0010.634658024901928
2025-12-15T17:11:35+08:0010.649837966911138
2025-12-15T17:12:27+08:0011.405764966740577
2025-12-15T17:13:40+08:0011.599692989936893
2025-12-15T17:14:49+08:0012.674228210813578
2025-12-15T17:34:00+08:0014.550400818693502
2025-12-15T18:06:36+08:0014.624594917277845
2025-12-15T18:07:13+08:0014.795156063448747
2025-12-15T18:08:21+08:0015.198874296435273
2025-12-15T18:08:31+08:0015.248678151117176
2025-12-15T18:10:01+08:0016.16970834044005
2025-12-15T18:11:05+08:0016.62391267269316
2025-12-15T20:12:39+08:0016.625106600716357
2025-12-15T20:15:09+08:0017.00187617260788
2025-12-15T20:15:46+08:0016.915742793791573
2025-12-15T20:17:08+08:0017.23980897151629
2025-12-15T20:17:44+08:0017.2227528568992
2025-12-15T22:13:47+08:0017.626982773324237
2025-12-15T22:14:05+08:0017.606003752345217
2025-12-15T22:14:58+08:0018.895275456251067
2025-12-15T22:16:13+08:0020.03803513559611
2025-12-15T22:16:52+08:0021.35135596111206
2025-12-16T08:55:37+08:0021.660924441412245
2025-12-16T08:56:26+08:0021.660924441412245
2025-12-16T08:57:37+08:0022.125191881289442
2025-12-16T08:58:47+08:0025.195292512365683
2025-12-16T09:00:38+08:0025.270851100119394
2025-12-16T09:03:30+08:0025.51066007163568
2025-12-16T09:03:41+08:0025.533685826368753
2025-12-16T09:05:55+08:0025.874808118710558
2025-12-16T09:54:41+08:0026.04536926488146
2025-12-16T10:05:19+08:0026.78441071123998
2025-12-16T10:06:44+08:0028.32901245096367
2025-12-16T10:06:50+08:0028.33259423503326
2025-12-16T10:07:32+08:0030.873955312979703
2025-12-16T11:07:44+08:0031.07180624253795
2025-12-16T11:08:12+08:0031.221900051168344
2025-12-16T11:10:20+08:0031.23196315879243
2025-12-16T11:11:05+08:0032.25533003581784
2025-12-16T12:06:01+08:0032.431519699812384
2025-12-16T12:06:51+08:0032.448575814429475
2025-12-16T12:07:39+08:0032.592529421797714
2025-12-16T12:08:37+08:0034.315196998123824
2025-12-16T13:45:28+08:0034.37267610438342
2025-12-16T13:45:57+08:0034.713798396725224
2025-12-16T13:46:46+08:0034.753198021490704
2025-12-16T13:47:14+08:0035.11529933481153
2025-12-16T13:48:02+08:0035.89988060719768
2025-12-16T14:01:12+08:0035.9208596281767
2025-12-16T14:02:04+08:0037.94252089374041
2025-12-16T14:08:30+08:0038.00170561146171
2025-12-16T14:09:01+08:0039.929046563192905
2025-12-16T14:09:42+08:0039.93484564216271
2025-12-16T15:09:15+08:0040.133037694013304
2025-12-16T15:09:49+08:0040.148047074876345
2025-12-16T15:10:21+08:0040.00307010063108
2025-12-16T15:11:06+08:0041.74279379157428
2025-12-16T15:48:15+08:0043.448405253283305
2025-12-16T16:02:34+08:0043.47859457615555
2025-12-16T16:03:26+08:0043.56711581101825
2025-12-16T16:04:05+08:0043.709022684632444
2025-12-16T16:07:27+08:0045.090567968616746
2025-12-16T17:01:21+08:0045.27562681221218
2025-12-16T17:03:57+08:0045.34044004775712
2025-12-16T17:04:24+08:0045.608221047245436
2025-12-16T17:05:48+08:0048.79771448064131
2025-12-16T17:30:53+08:0054.76735459662289
2025-12-16T18:11:44+08:0054.887429643527206
2025-12-16T18:12:27+08:0054.90192734095173
2025-12-16T18:12:32+08:0054.98601398601399
2025-12-16T18:13:25+08:0056.98157939621354
2025-12-16T18:14:12+08:0057.84240150093809
2025-12-16T19:10:22+08:0058.35408493945079
2025-12-16T19:10:37+08:0058.38325089544602
2025-12-16T19:11:12+08:0058.411905168002725
2025-12-16T19:11:17+08:0058.43356643356643
2025-12-16T19:12:07+08:0058.791744840525325
2025-12-16T20:22:16+08:0058.85672863721644
2025-12-16T20:22:21+08:0058.97902097902098
2025-12-16T20:23:02+08:0059.40542384444824
2025-12-16T21:31:25+08:0059.45846836090738
2025-12-16T21:31:29+08:0059.54426061743135
2025-12-16T21:32:16+08:0062.529080675422136
2025-12-16T22:17:16+08:0062.59918130649838
2025-12-16T22:17:21+08:0062.872931946102675
2025-12-16T22:17:59+08:0064.18625277161863
2025-12-17T08:38:55+08:0075.01688555347091
2025-12-17T08:39:22+08:0075.01654443117857
2025-12-17T08:39:25+08:0075.13593723349821
2025-12-17T08:40:58+08:0075.27358007845812
2025-12-17T08:41:02+08:0075.95770083574962
2025-12-17T08:41:38+08:0075.95770083574962
2025-12-17T09:08:16+08:0076.1664676786628
2025-12-17T09:08:48+08:0076.51014838819717
2025-12-17T09:09:42+08:0076.56899198362613
2025-12-17T09:10:19+08:0079.98021490704417
2025-12-17T09:16:32+08:0081.22087668429131
2025-12-17T09:25:36+08:0081.45966228893059
2025-12-17T10:00:46+08:0081.66945249872079
2025-12-17T10:03:32+08:0081.9959065324919
2025-12-17T10:04:05+08:0083.00460515094662
2025-12-17T10:05:24+08:0089.23008698618455
2025-12-17T11:02:33+08:0089.45147535391438
2025-12-17T11:03:55+08:0090.24782534538632
2025-12-17T11:04:09+08:0090.3646597305134
2025-12-17T11:05:45+08:0096.74364659730513
2025-12-17T12:02:56+08:0096.89527545625107
2025-12-17T12:03:25+08:0097.22428790721473
2025-12-17T12:03:45+08:0097.6817329012451
2025-12-17T12:04:03+08:0097.98874296435272
2025-12-17T12:08:06+08:00103.19085792256524
2025-12-17T13:48:16+08:00103.4965034965035
2025-12-17T13:48:42+08:00103.69554835408493
2025-12-17T13:49:03+08:00107.87429643527204
2025-12-17T13:49:16+08:00108.05270339416681
2025-12-17T14:00:51+08:00108.20757291489
2025-12-17T14:01:29+08:00110.13661947808289
2025-12-17T14:04:05+08:00110.24185570527034
2025-12-17T14:04:18+08:00111.75797373358348
2025-12-17T14:05:27+08:00116.03905850247314
2025-12-17T15:05:17+08:00116.24134402183182
2025-12-17T15:05:36+08:00117.41002899539485
2025-12-17T15:05:52+08:00122.7144806413099
2025-12-17T15:06:49+08:00122.80931263858093
2025-12-17T15:37:05+08:00124.51492410028996
2025-12-17T16:04:52+08:00127.0093808630394
2025-12-17T16:06:39+08:00210.87429643527204
2025-12-17T17:08:52+08:00244.89902780146681
2025-12-17T17:09:15+08:00457.9469554835409
2025-12-17T17:28:22+08:00470.39791915401673
2025-12-17T17:33:12+08:00527.3653419750981
2025-12-17T18:06:11+08:00562.201603274774
2025-12-17T18:06:36+08:00662.1333788163056
2025-12-17T18:07:41+08:00707.3177554153164
2025-12-17T20:22:44+08:00712.4345898004434
2025-12-17T20:23:05+08:00732.8417192563534
2025-12-17T20:23:25+08:00821.6187958383081
2025-12-17T20:24:34+08:00840.3825686508613
2025-12-17T20:24:50+08:00930.9334811529933
2025-12-17T22:16:43+08:00946.5364148047075
2025-12-17T22:17:05+08:001035.5181647620673
2025-12-17T22:18:14+08:001056.5594405594406
2025-12-17T22:18:29+08:001180.7620672010917
2025-12-18T08:20:27+08:001207.9428620160327
2025-12-18T08:20:41+08:001207.9428620160327
2025-12-18T08:21:15+08:001285.2068906703053
2025-12-18T08:21:22+08:001948.2462902950708
2025-12-18T09:10:36+08:001965.8785604639263
2025-12-18T09:10:55+08:001989.7571209278526
2025-12-18T09:11:04+08:002186.738188640628
2025-12-18T10:23:19+08:002206.607879924953
2025-12-18T10:23:30+08:002496.561828415487
2025-12-18T10:23:57+08:002506.765478424015
2025-12-18T12:03:45+08:002510.176701347433
2025-12-18T14:10:30+08:002595.49
TradeGo forecast multiple
TimeMultiple
Broker margin funds trend
TimeBrokerMargin funds
Prediction Model 1-Lot Expected Lots— Lots for expected 1-lot allotment—
Multiple derivation
Recent first-day return
+4.6%
→
Participants
22,324
→
Avg lots
85.4
→
Oversubscription
104x
104x = 22,324 × 85.4 ÷ 18,321 margin-weighted 100% → 3114.6x
1x17056.0x
Allocation Strategy Coefficient α
Allocation Strategy Coefficient
Reflects the issuer's allocation preference across different subscription sizes.
α → 0  Per-capita allocation — every allottee receives the same number of shares, regardless of lots subscribed.
α → 1  Proportional allocation — the more lots subscribed, the more shares allotted.
Historical α range (P10–P90): Pool A 0.3–0.9, Pool B 0.4–1.0
0.49
Allocation Strategy Coefficient α
Allocation Strategy Coefficient
Reflects the issuer's allocation preference across different subscription sizes.
α → 0  Per-capita allocation — every allottee receives the same number of shares, regardless of lots subscribed.
α → 1  Proportional allocation — the more lots subscribed, the more shares allotted.
Historical α range (P10–P90): Pool A 0.3–0.9, Pool B 0.4–1.0
0.53
This model does not support allocation strategy adjustment

Actual vs Predicted Comparison

Using the actual oversubscription ratio 3074.09x and current allocation strategy (Pool A α=0.491, Pool B α=0.527) as the baseline, comparing actual vs predicted expected allotment lots per tier

Lots Subscription Amount (HKD) Actual Expected Lots Predicted Expected Lots Error

LogoHanxbio-B Allotment Prediction Matrix

Rows are subscription tiers, columns are different oversubscription ratios, values are expected allotment lots; green indicates expected ≥1 lot. Non-preset multiples are interpolated from the nearest grid points.

Offering Mechanism

Mechanism B

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).

Allocation Strategy Coefficient α

α is the issuer's allocation preference coefficient, describing the issuer's allocation tendency across subscription sizes. α ranges [0, 1].

  • α → 0: Per-capita allocation — regardless of lots subscribed, every allottee receives the same number of shares. More favorable to retail (small) applications.
  • α → 1: Proportional allocation — allotted shares are proportional to lots subscribed. More favorable to large applications.
  • Historical actual α range (P10–P90): Pool A 0.3–0.9, Pool B 0.4–1.0. α varies widely across IPOs, reflecting each issuer's allocation strategy.
Allotment Rate Definition

The "allotment rate" on this page follows the exact HKEX allotment results announcement definition: Allotment rate = total shares allotted to the tier ÷ total valid shares applied in the tier × 100%. This is the official HKEX standard and is fundamentally different from other definitions used elsewhere (e.g. "ratio of applicants who got allotted").

Expected Allotment Lots

Expected allotment lots = total shares allotted to the tier ÷ lot size ÷ number of applicants in the tier

Example: a tier with 50,000 total allotted shares, 100 shares per lot, and 500 applicants → expected allotment lots = 50,000 ÷ 100 ÷ 500 = 1.0 lots.

About this page

This page shows expected-lot forecasts for Hanxbio-B (03378): expected hit rate based on similar-IPO matching and Pool A/B capital-efficiency comparison.
The default oversubscription multiple follows the chain recent first-day return → participant count → average lots per participant → multiple, i.e. multiple = participants × average lots ÷ public-offer lots; participant count and average lots are anchored on the recent IPO median and adjusted by offering size, A+H status, H-share premium/discount, industry, concurrent IPOs, sponsor track record and recent HSI moves.
Early in the subscription window the default multiple relies on the model; as subscription progresses it blends in the margin multiple; near the deadline (roughly 90% through) it follows the margin multiple.
Hit-rate forecasts fit 22087 allotment-tier records across 592 historical IPOs via regression and KNN similar-IPO matching, estimating expected lots per application tier and applying the allocation-strategy coefficient α (equal-per-person to proportional allocation). You can override the oversubscription multiple and the allocation-method α right on the page, replacing cibo's defaults to see expected lots under your own scenario. How allotment rates and clawback work is explained in How Hong Kong IPO Allotment Rates Work.
Data sources: HKEXnews public-offer allotment result announcements, prospectuses and FINI announcements; margin data (margin multiple, TradeGo forecast multiple and broker breakdown) comes from 捷利交易宝 (TradeGo), where the margin multiple covers only reporting brokers and the TradeGo forecast multiple is a full-market extrapolation.
The margin multiple updates intraday in real time; the hit-rate model is refreshed as new IPO allotment data is ingested.

Cibo — HK IPO Allotment Forecasts, Allottee Profiling & Stock Connect