Atlassian’s Volume Dives 40.56% to 398th Rank as Shares Rally 0.93% Despite Downturn

On September 22, 2025, , , ranking it 398th in market activity. .

Back-testing strategies for typically require a well-defined universe to avoid illiquid stocks. Atlassian's recent trading volume decline may reflect broader market adjustments, as strategies often focus on liquid assets like those in the Russell 3000 or S&P 1500 indices. The execution logic—ranking at close and entering at open—could also impact short-term volatility, .

To back-test this , a clear framework is essential. The universe should exclude illiquid micro-caps, often constrained to indices like Russell 3000 or NASDAQ-listed stocks. Execution logic involves ranking stocks at day’s close, entering positions at next day’s open, and exiting at close, resulting in a one-day holding period. Weighting options include equal-weight or value-weighted approaches, with transaction costs and slippage assumptions requiring further clarification to finalize the strategy parameters.