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Welcome to the Portfolio123 Forum
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1
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3664
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September 12, 2022
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The market is approaching its peak; how can one achieve an effective and cheap hedge?
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27
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592
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August 5, 2026
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The Problem with Micron Technologies (and Similar)
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7
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205
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August 5, 2026
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P123 Quant Coaching Program (2026) — Factor Investing Track
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15
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660
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August 4, 2026
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Unexpected API Credit Consumption in Download factors
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2
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86
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August 4, 2026
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Screener Header Missing Top 2 Lines When Not in Full Screen Mode
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5
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60
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August 3, 2026
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Problem with 10Y US T series
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4
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62
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August 3, 2026
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Add Asian and Emerging Markets (REVISED)
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180
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8651
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August 2, 2026
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The value of testing each criterion in isolation?
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0
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55
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August 2, 2026
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Screen backtests not working via API
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3
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73
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July 31, 2026
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Same AI ranking and trading system, but live strategy is down 9%—why?
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1
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96
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July 31, 2026
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Go SpaceX ! Take my money higher
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8
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289
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July 29, 2026
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Two Pre-Registered Designer Models on OSF
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2
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125
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July 29, 2026
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A Free Claude Skill That Argues With Your Backtest
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0
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106
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July 29, 2026
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Does Past Performance Predict Future Returns: A look at designer models
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31
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762
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July 29, 2026
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Downloaded spreadsheet rank data don't match what is shown on the Web site
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10
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212
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July 28, 2026
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What kind of live performance is typical with AI Factors?
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7
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279
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July 28, 2026
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What Universe do you use?
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29
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1109
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July 27, 2026
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Free P123 Claude Skill v3.0
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12
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648
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July 27, 2026
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Historical data missing for UnivAvg with corpjnk series
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12
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276
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July 27, 2026
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AI Factor S&P1500 Strategy
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13
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419
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July 27, 2026
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Enhanced Stock Notes & Ratings: A Richer Editor & Better Integration
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2
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106
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July 23, 2026
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I really wish factor momentum would work - help me show that it actually does
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25
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975
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July 23, 2026
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Why the poor live results versus backtesting?
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21
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598
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July 22, 2026
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EBITDA Surprise
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2
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208
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July 21, 2026
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New ratios preview (ROIC, WACC, and more)
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22
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659
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July 21, 2026
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NEW: Insider page with P123 ratings now available
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64
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2218
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July 21, 2026
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Download option and/or API endpoint for completed trading activity
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0
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41
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July 20, 2026
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Sim Risk Measurements via API
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2
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55
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July 20, 2026
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Buy Rule Price < 100 or Close(0) < 100 appears to repurchase stocks above $100 in long backtests
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2
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56
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July 20, 2026
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