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Welcome to the Portfolio123 Forum
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1
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3449
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September 12, 2022
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New 'Maximum Number of NAs' setting for Rank Performance
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5
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164
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October 16, 2025
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Factor Inversion in Small and Micro
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13
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139
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October 16, 2025
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Macro only in USD
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2
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47
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October 16, 2025
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LoopStreak inconsistency
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8
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65
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October 16, 2025
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Changes to Charting
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11
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203
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October 16, 2025
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Canadian Companies missing earnings projections in USA database
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2
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36
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October 16, 2025
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First AI based Screen
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27
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548
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October 15, 2025
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Returns trimming/winsorizing and negative universe returns
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20
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651
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October 15, 2025
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Large Parquet file - Download Failed
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4
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99
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October 14, 2025
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Variable slippage + target + ai-factor?
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11
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179
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October 14, 2025
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P123 api response has changed
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7
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139
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October 14, 2025
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Anybody doing this as their main income?
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21
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503
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October 13, 2025
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Long or short volatility on Monday?
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2
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74
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October 13, 2025
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Portfolio Risk Control brainstorming
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19
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869
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October 12, 2025
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Rebalance cadence
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3
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100
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October 12, 2025
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From Stanford to Miami: Teaching Finance with Portfolio123 — My CAPM Test Study
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11
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241
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October 11, 2025
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Changes in a live system
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16
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265
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October 11, 2025
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Connectivity problems in our Data Center
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5
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177
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October 11, 2025
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What is your threshold for removing a feature, as a percentage of n\a?
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17
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151
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October 11, 2025
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How Do You Protect vs Crashes? (Poll)
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3
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148
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October 11, 2025
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Get the Best Portfolio123 Insights Directly by Email
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0
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55
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October 10, 2025
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IMPORTANT: read this if you use Shares Float and related factors
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4
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134
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October 10, 2025
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Are our linear AI models homoskedastic? Are they close to linear?
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0
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40
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October 9, 2025
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Any perspectives on what drives high returns when using the AI-factor p123?
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9
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170
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October 8, 2025
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Trim and Outlier findings/experiences
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18
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149
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October 8, 2025
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AI-factor: Similar result, even after universe change?!
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3
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81
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October 8, 2025
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What Universe do you use?
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26
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572
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October 6, 2025
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Copy of ranking - different results
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4
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39
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October 6, 2025
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AI models on ensebling
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1
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61
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October 6, 2025
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