# Tradetron Blog > Algo trading guides, strategy ideas and product updates from Tradetron, a no-code algo trading platform. Every post is also available as markdown: append .md to its URL. Full text of every post: https://tradetron.us/blog/llms-full.txt ## Posts - [Connecting Alpaca, Tradier or Webull to Tradetron: What Happens to Your Orders](https://tradetron.us/blog/connect-alpaca-tradier-webull-tradetron-orders.md): What happens when you connect Alpaca, Tradier or Webull to Tradetron: the sign-in, the token, where orders are created, what the software cannot do, how to disconnect. - [SPX, XSP and NDX: Index Options for US Traders, and Why They Get Automated](https://tradetron.us/blog/index-options-spx-xsp-ndx-automation.md): How SPX, XSP and NDX options differ from SPY and QQQ: cash settlement, European exercise, multipliers, the 4:15 pm ET close, taxes. Why rule-based automation suits them. - [Live Offline: How to Test a US Options Strategy With Live Prices and No Orders](https://tradetron.us/blog/live-offline-test-us-options-strategy.md): Live Offline runs your strategy on live US prices during the session, shows every trade it would have placed and sends nothing to your broker. How to use it well. - [How to Automate a SPY 0DTE Iron Condor on Tradetron (No Code)](https://tradetron.us/blog/spy-0dte-iron-condor-automation-no-code.md): Turn a SPY same-day iron condor into rules Tradetron can run: entry time, strikes, wings, profit target, stop, time exit and a daily loss limit. No code. - [The Tradetron Strategy Marketplace for US Traders: How It Actually Works](https://tradetron.us/blog/strategy-marketplace-for-us-traders.md): What the Tradetron marketplace is for US traders: strategies published by independent users, run in your own broker account, with hypothetical statistics and no custody. - [How to Choose Algo Trading Software for US Markets: A 10-Point Checklist](https://tradetron.us/blog/us-algo-trading-software-how-to-choose.md): Ten questions to ask before you trust software with a US options or stock strategy: brokers, instruments, test modes, logs, costs, custody. Plain answers for Tradetron. - [The Wheel Strategy on tastytrade, Automated End to End](https://tradetron.us/blog/wheel-strategy-tastytrade-automated.md): How to run the wheel on an ETF like SPY through tastytrade with Tradetron: the cash-secured put stage, the assignment, the covered-call stage and the rules between them. - [Connect Tastytrade for Automated Trading: Step-by-Step Tutorial](https://tradetron.us/blog/connect-tastytrade-for-automated-trading-step-by-step-tradetron-tutorial.md): How to connect Tastytrade to Tradetron for automated trading in seven steps, what to check first, how to test safely, and fixes if the connection fails. - [Inverse SPY ETF: How Traders Profit When the S&P 500 Falls](https://tradetron.us/blog/inverse-spy-etf-how-traders-profit-when-the-sandp-500-falls.md): How an inverse SPY ETF works: -1x to -3x S&P 500 funds, why the daily reset makes longer holds drift, hedge sizing, alternatives, and rules to trade them. - [Options Trading Brokers in the USA: How to Choose One](https://tradetron.us/blog/trading-options-brokers-in-the-usa-how-to-choose-the-right-platform-for-options-trading.md): How to choose between options trading brokers in the USA: approval levels, per-contract fees, multi-leg orders, API access, and beginner-friendly strategies. - [US Market Strategy: A Rules-Based Plan for Stocks and Options](https://tradetron.us/blog/us-market-strategy-how-to-build-a-rules-based-plan-for-us-stocks-and-options-with-tradetron.md): How to build a US market strategy: the six building blocks, position sizing by risk, why losing streaks matter, a step-by-step plan and how to automate it. - [SPX Gamma Strategy: Turning a Complex Idea Into Clear Rules](https://tradetron.us/blog/spx-gamma-strategy-how-to-turn-a-complex-idea-into-a-rules-based-system-with-tradetron.md): What an SPX gamma strategy is: how gamma explodes near expiry, long vs short gamma, gamma scalping, dealer hedging, and two templates you can test. - [The Best 0DTE Options Strategy Is a System You Can Actually Run](https://tradetron.us/blog/the-best-0dte-options-strategy-isnt-a-secret-setup-its-a-system-you-can-actually-run.md): The best 0DTE options strategy is a defined-risk structure run by fixed rules. Compare SPX 0DTE spreads, the win-rate math, and a template you can test. - [How to Automate a 0DTE SPX Strategy Without Coding](https://tradetron.us/blog/how-to-automate-a-0dte-spx-strategy-without-coding-using-tradetron.md): Step by step: turn a 0DTE SPX options idea into rules, build entries, legs and exits on Tradetron without code, and test it before going live. - [Algo Trading Platform USA: A Complete Guide for US Traders](https://tradetron.us/blog/algo-trading-platform-usa-complete-guide-for-us-traders-using-tradetron.md): What an algo trading platform does, how to choose algorithmic trading software in the USA, which strategies retail traders automate, and how to start. - [What Is an Index Option Contract? A Guide for US Traders](https://tradetron.us/blog/what-is-an-index-option-contract-a-complete-guide-for-us-traders-using-automation.md): What an index option contract is, how cash settlement works with a worked SPX example, the main US index options, SPX vs SPY, taxes and automation. - [SPY ETF Dividend: Complete Guide for US Investors](https://tradetron.us/blog/spy-etf-dividend-complete-guide-for-us-investors-in-2025.md): Yes, SPY pays a dividend four times a year; ex-dates fall on the third Friday of Mar, Jun, Sep and Dec. How the yield changes, the tax, and capture traps. - [Algo Trading Marketplace: A Complete Guide for US Investors](https://tradetron.us/blog/the-ultimate-guide-to-algo-trading-marketplace-platform-for-us-investors-in-2025.md): How an algo trading marketplace works, how to judge a strategy by drawdown and live record, the costs to add up, and how US traders get started. - [Algo Trading Options: How US Traders Can Automate Their Trades](https://tradetron.us/blog/algo-trading-options-how-us-traders-can-automate-and-win-in-2025.md): How algo trading options works for US traders: SPX vs SPY contracts, strategies to automate, an iron condor example, and a step-by-step build and test plan.