In summary, SPY is an ETF that tracks the performance of the S&P 500 index, offering broad exposure to large-cap U.S. stocks, while PTF is an ETF focused on technology stocks, aiming to capture momentum in the technology sector. Both can be used by investors to diversify their portfolios and achieve specific investment objectives.

  1. SPY (SPDR S&P 500 ETF Trust):
  2. PTF (Invesco DWA Technology Momentum ETF):