Stock Market Options Trading

Can gamma exposure (GEX) help identify better entry points for scalping SPX 0DTE credit spreads?
In this episode of the Stock Market Options Trading podcast, Eric O'Rourke from Alpha Crunching breaks down a real SPX call credit spread scalp using gamma exposure to identify potential support and resistance levels.
Rather than focusing on the textbook definition of gamma exposure and dealer hedging, we're looking at how to actually use GEX data to make trading decisions.
Eric walks through a trade taken on September 21, showing exactly what the gamma exposure chart looked like at entry, why the 7700 and 7725 SPX levels mattered, and how a relatively small pullback created an opportunity to capture approximately 30% of the original credit in about 30 minutes.
Access the Gamma Exposure & Market Analysis Platform:
https://alphacrunching.sensamarket.com/
Alpha Crunching has partnered with SensaMarket to bring retail traders affordable access to powerful market analysis tools, including gamma exposure, options flow, charting, options modeling, and more.
What You'll Learn in This Episode
How to use SPX gamma exposure (GEX) to identify potential intraday support and resistance.
Why positive gamma and large gamma exposure nodes can help define a potential trading range.
How to identify opportunities for contrarian call and put credit spread scalps.
Why Eric prefers selling 10-point-wide SPX credit spreads and targeting approximately 30% of the premium collected.
A real 0DTE call credit spread trade: selling the 7735 call spread for approximately $1.75 and closing near $1.20.
Why gamma exposure levels can change throughout the trading day and why not every market condition presents a trade.

We also take a broader look at SPX market conditions, longer-term gamma exposure levels, the economic calendar, and upcoming Federal Reserve speakers.
The Trading Approach
The idea isn't to predict every market move or hold a credit spread until expiration.
Instead, we're looking for potential support and resistance levels using gamma exposure, waiting for SPX to approach those areas, and entering defined-risk credit spreads with the goal of capturing a relatively small move.
In this example, SPX was trading near 7725, where gamma exposure suggested potential resistance. Eric sold an out-of-the-money call credit spread and closed it after a small pullback and some time decay.
It's a practical example of combining options market data, trade structure, and disciplined profit-taking.
Learn more about systematic SPX options trading:
https://alphacrunching.com/
Join Alpha Crunching for backtested SPX trading strategies, automated trade alerts, market statistics, and our options trading community.
New episodes of the Stock Market Options Trading podcast are published every Monday after the market close. Also available on Spotify and Apple Podcasts.
For educational purposes only. Options trading involves risk, including the potential loss of the entire amount at risk on a spread. Historical results and individual trade examples do not guarantee future performance.
#SPX #0DTE #GammaExposure #GEX #CreditSpreads #OptionsTrading #SPXOptions #OptionScalping

Resources mentioned in this video:
The Money Show: https://orlando.moneyshow.com/?scode=068013
Historical Gamma Indicator: https://alphacrunching.sensamarket.com
Alpha Crunching Trading Community, Research, Tools: https://www.alphacrunching.com
In this episode of the Stock Market Options Trading Podcast, I break down another 0DTE XSP trade that I was able to convert into a risk-free position—but this time, I spend more time on the market analysis behind the entries.
I’ll show how I used Historical Net Gamma Exposure (GEX) to identify an important SPX gamma level around 7,600, look for potential mean reversion, and time multiple credit spread entries. We’ll walk through how the trade evolved from an in-the-money call credit spread, into a reverse iron condor, and eventually into a position with multiple potential profit zones and no remaining downside risk beyond commissions.
We’ll also discuss why I’m experimenting with XSP for these trades, how gamma levels can change throughout the trading day, and why I view GEX as another indicator—not something that should be traded blindly.
In this episode: Trading 0DTE XSP before the regular market open Using Historical GEX to identify potential SPX levels Turning a profitable credit spread into a reverse iron condor Adding an iron butterfly around a major gamma level Creating wider profit zones instead of simply closing a winning trade Why gamma exposure is context—not a standalone trading signal Managing a volatile 0DTE trading day while reducing risk
I’ll also be speaking about SPX 0DTE options trading at the Traders Expo / Orlando MoneyShow, October 5–7. If you’re attending, I’d love to meet you in person. Options involve risk and are not suitable for all investors.
This content is for educational purposes only and is not financial advice.

In this week’s Stock Market Options Trading Podcast, I break down an XSP 0DTE trade I entered at the market open and how I was able to turn the position into a risk-free trade after the market moved in my favor.
We’ll walk through the trade structure, why I started with an in-the-money call credit spread, and how adding the opposing spread converted the position into an Iron Condor with no remaining downside risk.
I also take a first look at CBOE’s newer Magnificent 10 Index (MGTN), an equal-weighted index featuring the Magnificent 7 plus Broadcom, Palantir, and AMD. We’ll look at why cash-settled index options are interesting for traders, along with the biggest issue with MGTN right now: liquidity.
Plus, this week’s episode covers:
• The current SPX market setup and important gamma levels
• What I’m watching as the market trades below 7700
• This week’s major economic and employment reports
• Tuesday’s SPX Opening Range Breakout statistics
• The return of the X Files segment
The goal is always the same: use data, backtesting, and market statistics to find practical ways to trade the S&P 500 and index options.
📊 Learn more about Alpha Crunching and our SPX trading tools, research, trade setups, and community at AlphaCrunching.com.
New episodes of the Stock Market Options Trading Podcast are posted every Monday after the market close.
#SPX #0DTE #OptionsTrading #XSP #StockMarket #SP500 #IronCondor

📊 Trade These SPX Setups With Us
The strategies discussed in this episode are part of the Alpha Crunching Trade Setups, where we use backtesting and market data to build a portfolio of mechanical SPX strategies.
Members get access to:
Weekly rules-based SPX Trade Setups
Live trade alerts in the Alpha Crunching Discord
SPX trading tools and market statistics
Strategy discussion and live trading chat
Automation options for select strategies

The goal is simple: data-driven SPX trading with repeatable rules and less time watching charts.
👉 Learn more and join at AlphaCrunching.com

What happens when you stop looking for the “best” SPX trading strategy and start thinking in terms of a portfolio of strategies?
In Episode 196, I break down four mechanical SPX strategies based purely on the math — without focusing on the actual strategy or setup.
We compare:
Trade frequency
Win rate
Average winner
Average loser
Expectancy
Risk/reward

The differences are significant. One strategy wins just 35% of the time, while others win more than 70%. But higher win rates come with their own trade-offs, including larger average losses.
The interesting part comes when we combine all four.
Instead of relying on one strategy that might go weeks without a trade or experience a losing streak, the different mathematical profiles can complement each other and produce a much smoother overall P&L curve.
The goal isn't necessarily to find the highest win rate or the perfect strategy. It's to build a collection of positive-expectancy trades that can work together over time.
Would you trade a strategy with only a 35% win rate if it improved the overall portfolio?

In this week's Stock Market Options Trading Podcast, we're looking at an interesting SPX pattern: Mondays have produced the strongest average S&P 500 returns so far in 2026.
Here's the video version: https://youtu.be/mM8y3koyL5A
That lines up with a rules-based strategy I've recently added back into the Alpha Crunching trade setups — a Friday 3DTE SPX put credit spread designed to take advantage of bullish market conditions heading into the weekend.
In this episode:
The Friday 3DTE SPX put credit spread and its 4-year backtest
Why a simple 3-day moving average filter matters
The surprising strength of Mondays in 2026
How the strategy fits into a diversified SPX options portfolio
FOMC Minutes and this week's economic calendar
Why markets are already looking ahead to Jackson Hole
SPX gamma levels, including the 7900 call wall
The employment data I'm watching this week

The goal isn't to predict where SPX goes next. It's to use data, backtesting and market statistics to identify potential edges and build repeatable trading strategies around them.
Alpha Crunching:
https://alphacrunching.com
Follow me on X:
@OptionAssassin
New episodes every Monday.
#SPX #OptionsTrading #SP500 #0DTE #OptionsStrategy #StockMarket #Trading