4 ms·

Also -- wouldn't it be a safe assumption that photo editors are choosing the pictures that match the tone of the news they are reporting on? This seems like a

• nanis 5y ago
  Ah, that pesky reverse causation thing ... In fact, one might get even better results if one trains the model on the daily market charts newspapers publish such as this: https://thumbs.dreamstime.com/x/stock-market-newspaper-background-charts-13413217.jpg https://thumbs.dreamstime.com/x/stock-market-newspaper-backg... Oh, that's harder to get than the top-10 list at Getty, I see. Yeah, convenience sampling is king. Is one of the authors "Not Sure!" by any chance?
• splitstud 5y ago
  Sure. That would be why using this or a similar method as a synthesis or proxy to aid prediction could have value, right? An issue is that methods of money management one might use in conjunction with this type of system can themselves have determinism for total returns. Measuring effectiveness would be hard.
• hammock 5y ago
  Assuming the news gets printed before market open (not really a safe assumption in the digital age), for this to have predictive power one would have to be looking at the intraday difference from market open to close, or the difference from previous close to today's open, not from previous close to today's close. It's not clear from the abstract/article which they looked at.
• spyder 5y ago
  They're writing about predict stock returns not just simply matching the current state. But yeah, I'm also skeptical about it.