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Welcome to the Portfolio123 Forum
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1
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3642
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September 12, 2022
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Claude Fable 5 Flags P123 Model Research as Potentially Dangerous?!
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5
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234
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June 15, 2026
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Which of the two solutions would you choose to optimize but avoid severe over-optimization?
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11
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183
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June 15, 2026
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It's a great time to be alive
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3
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145
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June 15, 2026
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Accidently deleted stock split in trade
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2
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55
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June 13, 2026
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Resource Units costs for AI Factor have been reduced by 50%
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0
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61
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June 12, 2026
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Imported Factor Upgrades (now includes a staleness filter)
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0
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73
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June 12, 2026
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Free P123 Claude Skill v3.0
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8
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228
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June 12, 2026
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Reoptimizing a Multi-Nodal Ranking Sytem
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5
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206
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June 11, 2026
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Error running screen
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11
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60
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June 11, 2026
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Are our linear AI models homoskedastic? Are they close to linear?
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1
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131
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June 11, 2026
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NEW: Insider page with P123 ratings now available
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62
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1932
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June 11, 2026
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Aggregate in Ranking
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1
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31
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June 11, 2026
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Trading in European Equities
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4
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95
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June 11, 2026
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Macro Factors
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5
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255
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June 10, 2026
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IBKR symbol error for ZZ.B:SWE
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2
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51
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June 10, 2026
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New Strategy API endpoints
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11
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335
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June 10, 2026
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I really wish factor momentum would work - help me show that it actually does
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14
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526
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June 9, 2026
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Add Asian and Emerging Markets (REVISED)
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167
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7760
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June 9, 2026
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The best suggestion for how to convert an AI factor into a ranking system?
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5
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101
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June 9, 2026
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Price / volume data 30 minutes before close
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5
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52
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June 9, 2026
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Unexpected error encountered. Please contact support
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1
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37
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June 9, 2026
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Sophisticated Continuous-Slippage IB Algo Optimizer App
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2
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76
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June 8, 2026
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Allow specification of Screen Report for api screen_run
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4
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316
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June 7, 2026
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Interactive Brokers Algo Optimizer App (using Thompson Sampling)
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1
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133
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June 7, 2026
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Is the simulated result of AI factor in non-US microcap universe a pit?
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36
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696
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June 6, 2026
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Max number of positions
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2
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83
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June 5, 2026
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Trading in Europe from Eastern Time
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18
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220
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June 4, 2026
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Historical data missing for UnivAvg with corpjnk series
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10
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194
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June 4, 2026
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Ranking Failed on combined Ranking system but should work
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2
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54
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June 4, 2026
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