Chart showing options chain liquidity for SPY, SPX, and QQQ
Iron Condor Strategy7 min

What Are the Best Iron Condor Underlying Assets?

The best underlying assets for iron condors are SPY, SPX, QQQ, and RUT/IWM. These four check every box that matters: deep options liquidity, penny-wide bid-ask…

Bernardo Rocha
SPX vs SPY comparison for iron condor options trading
Iron Condor Strategy8 min

SPX vs SPY for Iron Condors: Which Is Better?

SPX and SPY both track the S&P 500. For most investors, they're interchangeable. For options traders running iron condors, the differences are meaningful —…

Bernardo Rocha
SPY vs SPX comparison chart for iron condor trading showing contract size and tax differences
Iron Condor Strategy8 min

Trading Iron Condors on SPY and SPX: Key Differences

SPY and SPX are the two most commonly used underlyings for iron condors. SPY is the S&P 500 ETF; SPX is the S&P 500 cash index. Both track the same market, but…

Bernardo Rocha