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Why do some 1099 d as include cost basis if only proceeds are reported?

1099-DAs | Confusion Over Cost Basis and Proceeds in Crypto Tax Reporting

By

TomΓ‘s FernΓ‘ndez

Mar 19, 2026, 06:32 AM

Edited By

Sophia Wang

Updated

Mar 20, 2026, 03:06 AM

2 minutes to read

Close-up of a 1099-DA tax form highlighting proceeds and cost basis sections
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A brewing controversy surrounds the tax reporting of cryptocurrency sales, particularly regarding 1099-DA forms. As the 2026 tax season approaches, many are questioning why these forms include cost basis information when it’s commonly said that only proceeds are reported to the IRS.

Key Issues in Tax Reporting

In recent discussions, several people have raised concerns about the accuracy of their 1099-DA forms. A comment highlighted that, "When TT connects to Coinbase, it populates the data. Assuming the client added the missing basis values, it’s there." This indicates that some forms contain both proceeds and cost basis data, but confusion arises over whether the IRS receives the same details.

Adding to the discourse, Warren from CoinTracker noted, "Some brokers provide cost basis information for noncovered transactions for informational purposes only." This suggests that for taxpayers using a single exchange, the information provided may suffice for tax returns. However, it’s unclear whether this data is reported reliably to the IRS.

Another commenter compared the situation to traditional investments, stating, "Similar to stocks, my Vanguard 1099 includes a cost basis amount, albeit not reported to the IRS." This comparison underscores the inconsistencies in how different financial instruments manage cost basis reporting.

Complexity of Cost Basis

Many contributors express that exchanges may show cost basis data, but whether this data is reported correctly to the IRS is questionable. A user remarked, "Exchanges show you a cost basis on the 1099-DA, but that doesn’t mean they’re actually reporting that basis to the IRS reliably." This underscores the potential pitfalls for taxpayers who may assume the information is accurate.

Interestingly, several comments reflect a common sentiment of skepticism regarding reporting accuracy, with users noting discrepancies between what is shown on forms and what get reported to the IRS. One complained, "The IRS generally gets a copy of the same form, but the key difference is whether the basis is reported or not." This ambiguity may lead to significant confusion as users fill out their tax returns.

Importance of Clarity in Reporting

With tax day looming, maintaining clarity around 1099-DA implications is crucial for crypto holders. The lack of consistent guidance can lead to risks of misreporting, prompting many to seek precise information for compliance.

Insights from Forum Discussions

  • ◼️ Users question if both proceeds and cost basis are reliably reported to the IRS.

  • β–½ Some believe the discrepancy stems from how exchanges manage and report cost basis data.

  • β€» "Only proceeds are reliably reported in practice," highlighting ongoing concerns about cost basis accuracy.

As the 2026 tax filing deadline approaches, there’s growing anticipation that the IRS will clarify the reporting processes for 1099-DAs. Experts predict updated guidelines will emerge, explicitly detailing how cost basis data should be presented. This could encourage better reporting practices across platforms, enhancing transparency for individuals preparing their taxes.

The Ongoing Fight for Clear Reporting

This situation parallels the challenges faced during stock IPOs in the late 1990s, where early investors were often baffled by varying reports on earnings and valuations. Individuals grappling with crypto taxes today may find themselves in a similar predicament if clarity does not keep pace with innovation. As more discussions develop on forums, it highlights the importance of clear communication regarding tax obligations in the crypto environment.