Marketdata is very good providing much needed data for a an affordable price. I believe there is still ongoing work with API's and bringing more data points on the way but it is definitely a great sta... See more
Company replied
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See what reviewers are saying
i need help to fix the spreadsheet extensions. i understand that I only have near-realtime options data. please help I am a new user. I signed up for $144/year subscription. I want to plan my... See more
Company replied
Happy with Marketdata! Their team is super responsive and always there when I need help with data issues. They genuinely listen to feedback and keep adding cool new features. Plus, their prices are... See more
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I've been developing a custom indicator that needs a different data source than my trading platform provides. After trying several other options that were either ineffective or extremely expensive I... See more
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Company details
Written by the company
Designed for and built by active traders, Market Data is the an API/data solution that gives you everything you need: decades of financial data, backtesting, technical & fundamental analysis, and more. Download current and historical options prices (15+ years) directly into your Google Sheet with a simple formula. It works just like the GoogleFinance formula, but with options! Market Data’s free Sheets Add-on is the perfect companion for options traders.
Contact info
United States
- www.marketdata.app
4.2
Great
96 reviews
Replied to 50% of negative reviews
Typically replies within 24 hours
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Reply from Market Data
Thank you for the wonderful review! We're thrilled to hear that you had a great experience with our customer service. Being responsive and helpful is something we take seriously, and it's great to know it made a difference for you. We truly appreciate your support!
Reply from Market Data
Thank you for the fantastic review! We're glad to hear the service checks all the boxes for you and that you're finding great value in it. Providing powerful market data at an accessible price is exactly what we aim for. We truly appreciate your support!
Good product and it works well with my…
Good product and it works well with my Google Sheets.
14 February 2026
Reply from Market Data
Thank you for the review! We're glad to hear the product is working well for you and that the Google Sheets integration fits your workflow. We appreciate the feedback and your support!
Reply from Market Data
Thank you for the five-star review! We're thrilled to hear you love the service. Your support means a lot to us!
Pretty seamless signup and the virtual…
Pretty seamless signup and the virtual signature was easy. I can now wire my personal tracking in a custom manager better than any other tool I had bought previously
13 February 2026
Reply from Market Data
Thank you for the five-star review! We're really glad the onboarding process felt smooth and that you were able to get up and running quickly. It’s especially great to hear that you’ve been able to connect the data into your own custom tracking system. That’s exactly the kind of flexibility we aim to provide. We appreciate your support and are happy to have you using Market Data!
Reply from Market Data
Thank you for the five-star review! We're glad to hear the platform has been easy to use and that the documentation helped you get up and running quickly. We put a lot of effort into making the docs practical for developers and analysts, so it's great to know they're delivering value. We appreciate your support!
i like what the tool offers but i wish…
i like what the tool offers but i wish I didn't need to keep the sidebar open to refresh the data
25 January 2026
Reply from Market Data
Thank you for the feedback. We're glad to hear you like what the tool offers. The need to keep the sidebar open is a limitation of how Google Sheets add-ons are allowed to refresh data, but we understand how inconvenient that can be and are always looking for ways to improve the experience within those constraints. We appreciate you sharing this and hope the tool continues to be useful for your workflow.
Excellent..
31 January 2026
Unprompted review
Reply from Market Data
Thank you for the five-star review! We're glad you're enjoying the service and appreciate your support.
Works well
Works well. would like to see refresh of selected cells only, rather than all the 400+ in my sheet.
9 January 2026
Reply from Market Data
Thank you for the review! We're glad to hear the tool is working well for you. Your point about refreshing only selected cells makes a lot of sense, especially on larger sheets where a full refresh can be inefficient. Feedback like this is very helpful as we continue improving the Sheets experience, and we appreciate you taking the time to share it.
The google method for downloading…
The google method for downloading minutes is efficient. But... there are always gaps in the minutes when I run a backtest on the data.
6 January 2026
Reply from Market Data
Thank you for the feedback! We're glad to hear the Google Finance method for downloading minute data has been efficient for your workflow. We also appreciate you pointing out the gaps you've encountered during backtesting—those kinds of observations are very helpful. If you’re able to share specific symbols and date ranges through a support ticket, our team would be happy to investigate and correct any underlying data issues.
Very customer focused
Very customer focused. They immediately sent me a welcome email and reached out to make sure I understood how to use the product and that they were open to enhancement requests.
Google Sheets functionality works great.
9 January 2026
Reply from Market Data
Thank you for the great review! We're glad the onboarding experience was helpful and that our team was able to connect early to make sure everything was clear. It’s also great to hear the Google Sheets integration is working well for you. We always welcome enhancement ideas from users, so don’t hesitate to share them—we appreciate your support!
Market data was very supportive and flexible to help with my requirements of a pre-revenue startup currently in beta state.
Market data is very supportive
4 January 2026
Reply from Market Data
Thank you for the five-star review! We're glad we could support you as you build your startup during the beta stage. Early teams often have unique requirements, and we’re always happy to be flexible and help where we can. Wishing you the best as you continue developing your platform, and we appreciate you choosing Market Data!
I think you have a wonderful product
I think you have a wonderful product. I received a letter talking about future expansions of the tools to include greeks for options that have already traded and do not exist anymore. However, I think you should license your function to Google Workspace and Google One. Meaning, Google pays you for a license for the use of your add on and it would be included with the users Google One or Workspace accounts. I think you would make a lot more money, and you could hire more people. There's that. What I am saying is, think bigger.
31 December 2025
Reply from Market Data
Thank you for the thoughtful review and the kind words about the product. We're glad you're enjoying it. The idea you mentioned about licensing the functionality through Google Workspace or Google One is an interesting perspective, and we appreciate you taking the time to share it. Feedback like this helps us think about different ways the product could evolve as we continue expanding features—such as the planned historical Greeks support you referenced. Thanks again for the encouragement and for using Market Data!
No near realtime options data in…
i need help to fix the spreadsheet extensions. i understand that I only have near-realtime options data. please help
I am a new user. I signed up for $144/year subscription. I want to plan my options trading and need realtime options pricing data. for the most part your google sheets extension fails. please help me
=OPTIONDATA(R4,"ask") gives me ?NAME error - where R4 is AAPL
=IF(Y4="",0,OPTIONDATA(Y4,"ask")) gives me ?NAME? error where Y4 is contractid
it works occassionally!
24 December 2025
Reply from Market Data
Thank you for the clarification—and we’re very sorry for the confusion. Your current subscription includes 15-minute delayed options data, not real-time data. That’s why you’re not seeing live prices in your formulas. If you need real-time options quotes, we do offer that on a higher-tier plan.
The #NAME? error you're encountering typically indicates that the Google Sheets extension isn't fully installed or authorized. Since the formula works occasionally, it's likely a setup issue rather than a service failure. Our support team has your helpdesk ticket open and will walk you through correcting it.
Once properly configured, you’ll get consistent delayed options data as included in your plan.
Would you like help upgrading to real-time access, or should we focus on fixing the Sheets integration first?
Easy to use API
24 December 2025
Reply from Market Data
Thank you for the five-star review! We're glad to hear you're finding the API easy to use—it’s designed to be simple, efficient, and flexible for exactly that reason. If you ever have questions or want to explore more advanced features, we're here to help!
Very good customer service
Very good customer service. Quite happy with the company.
18 November 2025
It's fine, but a ton of room for improvement
It works but the data is not particularly fast, needing to run the sidebar to receive quotes is a bit annoying, no automatic refresh intervals, and no support for international securities.
22 November 2025
Excellent provider
Great API, excellent data source, and outstanding, very fast support!
9 November 2025
WONDERFUL EXPERIENCE
Title: Precision, Depth, and Reliability — A Game-Changer for Our Data Needs
Review:
We've been incredibly impressed with our experience using MarketData. The level of detail and historical depth in the data has been nothing short of exceptional. For our use case—where precision, cadence, and continuity matter—the platform delivered exactly what we needed.
What stood out most was the consistency and clarity of the data. Whether we were pulling historical open interest, volume, or minute-level aggregates, the results were clean, reliable, and easy to integrate into our analytical workflows. The API structure is intuitive, and the documentation made onboarding seamless.
MarketData has become a cornerstone of our diagnostic overlays and rhythm-aware dashboards. It’s rare to find a data provider that balances granularity with accessibility so well. We’re grateful for the transparency, the responsiveness of the platform, and the sense that this tool was built with serious analysts in mind.
Highly recommended for anyone who values data integrity, historical reach, and technical elegance.
23 October 2025
Reply from Market Data
Thank you for the incredible review! We’re thrilled to hear that MarketData has become such an integral part of your analytics workflow. We’re committed to maintaining that level of quality, and it’s great to hear that it resonates with serious analysts like you. Thank you for your support and recommendation!
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