Longsight

Your partner in long-term financial growth!

Longsight is a Google Sheets Add-on built for long-term investment analysis. Use our Add-on to generate a template, enter the stocks you want to track, and get insights to support your strategy over time.

Free Install

Win the market with Longsight

“The stock market is a device for transferring money from the impatient to the patient.”
— Warren Buffett

“The big money is not in the buying or selling, but in the waiting.”
— Charlie Munger

“In the short run, the market is a voting machine, but in the long run, it is a weighing machine.”
— Benjamin Graham

Long-term investing starts with long-term analysis

Easily analyze stocks for the long run—right inside your Google Sheets.
Longsight helps you compare performance, spot undervalued opportunities, and rebalance smarter with just a few clicks.

Compare long-term stock performance with a single click

Identify undervalued stocks by comparing financial ratios

Rebalance portfolio by analyzing stock correlations

Increase team efficiency with WorkFlowPro

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Start Free Trial

Join. Install. Start.

No complicated setup. Just sign in, install the add-on, and you’re ready to dive into analysis.

01 Create an Account

Join us by signing in with the Google account you use for Google Sheets

02 Install Add-on

Install our add-on from Google Workspace Marketplace

03 Start Analysis

Start analyzing with our templates in Google Sheets

Key Features

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Seamless Integration

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Easy to use

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Cross Compatibility

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Scalable

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Secure

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One Click Setup

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From Click to Insight—See How It Works

A quick demo to show just how simple long-term investing analysis can be.

Try our 7-day free trial today

Continue with Google

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1.5M+

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Trusted by companies all over the world

Accessible through all devices

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