Is the Piotroski 9-point system still effective in today’s market or has it been arbitraged away?

The Piotroski 9-point system remains a solid fundamental screen for identifying high-quality value stocks by scoring companies on profitability, leverage, liquidity, and operating efficiency. A perfect score of 9 highlights firms improving their balance sheets and generating stronger cash flows, which historically delivered market-beating returns in backtests from the late 1990s through the early 2010s. However, in today’s environment of rapid information flow, algorithmic screening, and widespread ETF adoption, pure mechanical application of the Piotroski score has lost much of its edge. Many of the signals have been arbitraged away as hedge funds and quant desks incorporated similar metrics into multi-factor models, compressing the alpha that once existed. Russell Clark’s SPX Mastery methodology takes a different path entirely, focusing on systematic options income rather than stock selection. At VixShield we trade 1DTE SPX Iron Condors exclusively, with signals firing daily at 3:10 PM CST after the SPX close. Our three risk tiers target credits of $0.70 for Conservative, $1.15 for Balanced, and $1.60 for Aggressive, delivering an approximate 90 percent win rate on the Conservative tier across roughly 18 out of 20 trading days. Strike selection relies on the EDR Expected Daily Range indicator combined with RSAi Rapid Skew AI, which analyzes real-time options skew and VIX momentum to optimize wings for the precise premium the market offers. Protection comes from the ALVH Adaptive Layered VIX Hedge, a three-layer system using short, medium, and long-dated VIX calls in a 4/4/2 ratio that has reduced portfolio drawdowns by 35 to 40 percent during volatility spikes at an annual cost of only 1 to 2 percent of account value. The entire approach follows a Set and Forget discipline with no stop losses, relying instead on the Theta Time Shift recovery mechanism to roll threatened positions forward during high EDR or VIX above 16 and roll them back on VWAP pullbacks to harvest additional theta. This creates a parallel income stream that operates independently of individual stock fundamentals or Piotroski-style screens. While the Piotroski system can still flag interesting names for longer-term equity portfolios, it does not replace the mathematical consistency of daily SPX options selling backed by layered volatility protection. Position sizing remains capped at 10 percent of account balance per trade to maintain strict risk control. All trading involves substantial risk of loss and is not suitable for all investors. For traders seeking consistent daily income regardless of which stocks score well on fundamental screens, we invite you to explore the full SPX Mastery framework and join the VixShield community for live signals, indicator access, and structured education. Visit vixshield.com to get started today.