Leveraged SPY tickers: SSO and SPXL

The most liquid leveraged asset tracking the S&P 500 (which SPY also tracks) is the ProShares Ultra S&P 500 (SSO) for 2x leverage, and the Direxion Daily S&P 500 Bull 3x Shares (SPXL) for 3x leverage.

2x Leveraged ETF

The ProShares Ultra S&P 500 (SSO) is the most liquid 2x leveraged ETF tracking the S&P 500. It has the following characteristics:

- Three-Month Average Daily Volume: 6,458,386

- Assets Under Management: $3.0 billion

- Expense Ratio: 0.89%

SSO seeks daily investment returns that are twice the daily performance of the S&P 500 Index, before fees and expenses.

3x Leveraged ETF

For 3x leverage, the Direxion Daily S&P 500 Bull 3x Shares (SPXL) has the highest liquidity. Its key features include:

- Three-Month Average Daily Volume: 14,277,112

- Assets Under Management: $2.7 billion

- Expense Ratio: 0.97%

SPXL aims for daily investment returns of 300% of those of the S&P 500 Index.

It's important to note that these leveraged ETFs are designed for short-term trading and not for long-term holding, as they reset their leverage daily, which can lead to compounding of returns when held for extended periods.