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ETFap Articles: Options and ETF Trading, the Advantage-Play Way

Plain-English articles from a professional advantage player and full-time options trader: how to measure the edge, keep costs low and size every trade so no single loss can knock you out.

Why I Trade SPX, SPY, QQQ and IBIT Options: An Advantage Player on Liquidity and Fills

By Charlie Nguyen · Oct 25, 2026

Why the bid-ask spread is the trader’s house edge, why SPX belongs next to SPY, and the Cboe data on which options are cheapest to trade.

Written by Charlie Nguyen, a professional casino advantage player and full-time options trader.

More articles are on the way. Tools: Options trade ideas POP vs POT vs P50 Buy the Dip app All tools

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