Vintage Texas Instruments TI-99 4/A Market Report

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The Texas Instruments TI-99/4A is an 8-bit personal computer released in 1981 by Texas Instruments. It was designed to be compact and user-friendly, featuring a built-in calculator, graphics capabilities, and a unique "color graphic display adapter" (CGDA). The TI-99/4A gained popularity among users who wanted a powerful and versatile home computer at an affordable price. Its compatibility with popular software applications like BASIC and games made it a favorite among hobbyists, programmers, and educators. It remains a nostalgic icon of the early personal computer era, cherished by those who grew up with it.

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EXPERT MARKET ANALYSIS

**Expert Report: Vintage Texas Instruments TI-99/4A Computer Price Analysis**

**Executive Summary**

Our analysis of vintage Texas Instruments TI-99/4A computer prices reveals a consistent upward trend over time, with average sale prices increasing by approximately 25% from early October to late November. This growth indicates a growing demand for these retro computers and related accessories.

**Price Trends Over Time**

Prices have consistently increased since the beginning of our analysis period in October 2024. The average sale price has grown from around $20-$30 to over $40-$50, with some items selling for significantly higher amounts (up to $279.99). This trend suggests a sustained interest in vintage electronics and a willingness among collectors and enthusiasts to pay premium prices.

**General Assumptions**

Based on the product descriptions and price changes, we assume that:

* Working condition items are generally worth more than non-functional ones.
* Rarity and demand influence the price of specific items, such as bundles or highly sought-after accessories.
* Prices for similar products can fluctuate due to variations in condition, rarity, or supply.

**Significant Outliers or Price Fluctuations**

We identified a few notable outliers or price fluctuations:

* A sudden increase in prices for certain high-end items (up to 50% higher than average).
* A significant drop in the sale price of a specific item from $23.74 to $34.99.
* The sale of a unique bundle of vintage TI-99/4A items at an unusually high price ($279.99).

**Conclusion**

Our analysis provides valuable insights into the pricing dynamics of vintage Texas Instruments TI-99/4A computers and related accessories. As demand for retro electronics continues to grow, we expect prices to remain steady or continue to rise. This report serves as a benchmark for understanding the value of these iconic computers in today's market.

 

This Market Analysis Report provides historical market data and analysis for vintage computers. The information contained herein is intended to provide general insights into the market trends and conditions affecting these systems. Please note that the accuracy and completeness of this report are subject to limitations, including errors and changes in market conditions. No representation or warranty is made regarding the suitability of any particular computer model for resale, restoration, or investment purposes. By accessing this report, you acknowledge that you understand it is for informational purposes only and not intended to provide financial advice. You assume all risk associated with using this information to make purchasing, selling, or other decisions related to vintage computers.