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Welcome to the Portfolio123 Forum
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1
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3631
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September 12, 2022
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Export AI Factor validation
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7
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81
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May 29, 2026
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Trading in Europe from Eastern Time
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16
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112
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May 29, 2026
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AI Predictor Error
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5
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58
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May 28, 2026
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Streamlit app to check historical (sector) allocation
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1
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45
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May 28, 2026
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Factor Inversion in Small and Micro
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30
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995
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May 27, 2026
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Pension ruin risk calculator
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0
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51
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May 27, 2026
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We have a new leader in the designer model competition
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43
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2155
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May 27, 2026
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FactorMiner is live! Faster factor discovery for alpha research and AI feature engineering
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26
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843
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May 26, 2026
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Has anyone used AnythingLLM?
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0
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82
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May 25, 2026
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Weekly Simulations vs. Daily Live data updates
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2
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111
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May 24, 2026
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Will 300% Turnover Kill a Strategy in Live Trading with IBKR?
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4
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192
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May 24, 2026
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Data quality/availability for european stocks
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74
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2036
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May 23, 2026
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NEW: Insider page with P123 ratings now available
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61
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1842
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May 22, 2026
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Clarification on Make Current and rebalance for EU strategies
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3
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76
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May 22, 2026
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Is it possible to share stock factors?
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4
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240
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May 21, 2026
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preproc.excludedFormulas cannot contain duplicates
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1
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42
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May 21, 2026
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Say hello to Alphanaut, our new AI agent
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16
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634
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May 20, 2026
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Add Asian and Emerging Markets (REVISED)
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162
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7377
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May 20, 2026
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Something wrong with API this morning?
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12
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222
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May 20, 2026
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New Strategy API endpoints
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2
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139
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May 19, 2026
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Feature Import Error (Clipboard & CSV) after recent update
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5
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118
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May 19, 2026
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Aggregate series screen - visual bug
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8
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30
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May 19, 2026
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Add Support for LightGBM’s XENDCG Objective (Better Ranking)
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48
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1236
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May 18, 2026
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P123 API: Ability to Download Live Strategy Performance History
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4
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66
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May 16, 2026
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Annualized Rerurn - Designer Models
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0
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62
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May 16, 2026
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Link with other brokers: Fidelity, E*Trade, etc
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13
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652
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May 16, 2026
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Multi Country Large Cap Universe
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2
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61
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May 15, 2026
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Alphabet market cap
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4
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109
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May 14, 2026
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Reoptimizing a Multi-Nodal Ranking Sytem
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3
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121
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May 14, 2026
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