The Trade Desk Surges 1.54% on Strategic Ad Infrastructure Gains Ranks 112th in 890M Dollar Volume

On September 23, 2025, , , . The stock’s performance was driven by strategic updates in programmatic advertising infrastructure, with analysts noting improved client retention metrics in Q3 guidance. Regulatory filings highlighted reduced capital expenditure plans, aligning with sector-wide cost-optimization trends.

Market participants observed heightened short-term positioning in TTD options, with increased open interest in at-the-money call contracts. While macroeconomic data showed mixed signals, the stock’s resilience against broader market volatility underscored its defensive positioning in the digital advertising space. , according to exchange data, reflecting confidence in long-term operational scalability.

To run this test rigorously I need to nail down a couple of practical details: 1. Universe – which market should we pull the “top-500-by-volume” list from? • US-listed stocks (NYSE + NASDAQ)? • Another market or a global universe? 2. Rebalancing mechanics – do you want to: • Buy at today’s close, hold overnight, and exit at tomorrow’s close (classic 1-day hold), or • Buy at today’s open and exit at today’s close (intraday hold)? 3. Aggregation method – our current back-testing engine works on one security at a time. • If you’re happy with an equal-weighted daily basket, we can build an aggregated “synthetic index” of those 500 names and back-test that. • If you need something more granular (e.g., per-stock P&L), please let me know so I can suggest an alternate workflow. Once I have those details I can set up the data retrieval plan and run the back-test.