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Conflicting capital gains reports: summ vs koinly vs others

Discrepancies in Crypto Capital Gains Reports | Summ vs. Koinly vs. CT

By

Lucas Mรผller

Mar 9, 2026, 07:04 PM

Edited By

Linda Wang

3 minutes reading time

A visual representation of different capital gains reports from Summ and Koinly, showing discrepancies in figures, alongside images of Solana trades and NFTs

Users Report Significant Differences in Gains Calculation

A growing number of people in the crypto community are raising concerns about varying capital gains calculations provided by software tools like Summ, Koinly, and CT. Reports show a notable divide in figures as individuals input their trade data, primarily involving Solana and NFTs.

Different Software, Different Results

The confusion seems widespread. One individual shared their experience, stating:

"When I put all my phantom wallets, Coinbase, and Robinhood into these softwares, they are all giving me vastly different results."

While Koinly and CT might have some parity, Summ appears to be out of step, with several users claiming it does not account for much of their trading history. One user summed up their frustration:

"Iโ€™m feeling so overwhelmed lol."

Many users expressed the sentiment that the problem lies in each software's handling of missing data. One commenter suggested, "It's imperative to have ALL data added to the software," referring to the necessity of connecting every wallet and exchange, even outdated accounts.

Exploring the Challenges

This widespread issue raises important questions regarding transparency and accuracy in crypto tax reporting:

  • Variability in Reporting: Differences in how software platforms treat missing data can lead to drastic variations in capital gains reports.

  • User Compliance: Many individuals might not be aware that incomplete data can distort their financial reports.

  • Frustration Rising: Users are increasingly frustrated, with some thinking about settling for the software that gives the lowest cost basis, despite worries about compliance with IRS standards.

Key Observations

  • ๐Ÿ”บ Summ appears to bottleneck users, as many report it missing key trading entries.

  • ๐Ÿ“‰ Koinly and CT seem to perform better in offering comprehensive reports for most users.

  • โ“ The pressing question remains: How do these discrepancies affect tax liabilities and compliance?

Navigating the Path Forward

As more people dive into crypto investing, maintaining comprehensive and accurate reporting will remain crucial. The combination of data integrity and compliance will likely determine the reliability of these services moving forward. While some individuals advocate for switching software to find the best outcomes, the real key might lie in ensuring complete data integration at the outset.

This situation underscores the need for clear guidelines and perhaps a standardized approach to crypto capital gains calculation, sparking discussion about the future of crypto tax regulation.

Future of Crypto Reporting: A Possible Shift

With the ongoing discrepancies in capital gains calculations, thereโ€™s a strong chance that many people will begin to reconsider the software they use for tracking their crypto activities. Experts estimate around 60% of crypto investors are likely to switch to platforms emphasizing user-friendly data integration in the next year. This shift may pressure software developers to enhance data accuracy and transparency as the market demands greater reliability. As IRS regulations become stricter regarding crypto reporting, hesitance to address missing data could lead to key compliance issues, particularly for those who take shortcuts in reporting.

Echoes from the Past: The Tax Software Evolution

Historically, markets often witness upheavals similar to the current chaos in crypto reporting. Take the early days of e-filing tax preparations in the late 1990s; software platforms varied drastically in their accuracy and ease of use. Many taxpayers found themselves nearly paralyzed, choosing between cost-saving options and accuracy-required solutions. Those who navigated the growing pains successfully often became advocates for better standards in tax preparation technologies. As this crypto situation unfolds, new advocates may emerge, pushing for unified standards, much like the more robust tax guidelines that followed the e-filing boom.