Reddit vs. The Trade Desk: Here's the Better Media Stock to Buy in 2026

Key Points

• Reddit turned highly profitable in 2025 while expanding its high-margin data licensing business for artificial intelligence training.
• The Trade Desk remains a dominant force in programmatic advertising, maintaining steady double-digit growth and healthy free cash flow.
• Which of these high-growth digital advertising contenders is the better fit for your portfolio today?
• 10 stocks we like better than Reddit ›

Digital advertising is evolving as platforms compete for limited marketing budgets. Choosing between Reddit (NYSE:RDDT) and The Trade Desk (NASDAQ:TTD) requires weighing community-driven content against the power of programmatic ad buying.

Reddit offers a unique platform built on user-generated communities, while The Trade Desk operates an independent demand-side platform for buying digital ads. Both companies are navigating a shift toward data-driven targeting and privacy changes among communication stocks. This comparison looks at their growth trajectories and valuations to see which holds the advantage for long-term investors.

The case for Reddit

Reddit operates a massive network of user-governed communities where people discuss everything from finance to hobbies. The company sells advertising space across its platform, which accounted for approximately 94% of total revenue in 2025. It also relies on licensing its conversational data to technology firms for training artificial intelligence models.

While still in its early stages of monetization, these licensing deals provide a high-margin supplement to its core advertising business. According to its latest annual report for the 2025 fiscal year (FY), revenue reached $2.2 billion, representing significant growth of 69.4% compared to the prior year. The company reported net income of $529.7 million, a major improvement from the net loss reported in the prior fiscal year.

As of its December 2025 balance sheet, the debt-to-equity ratio was zero, meaning it has no total debt relative to shareholder equity. The current ratio, which measures the ability to pay short-term debts, is 11.6x. Free cash flow reached $684.2 million, though stock-based compensation (SBC) represented 49.7% of operating cash flow, which inflates reported cash generation since SBC is a non-cash expense.

The case for The Trade Desk

The Trade Desk provides a self-service platform that helps advertisers buy digital ad space across the open internet, including connected TV. It serves ad agencies through master services agreements, but customer concentration is a notable factor. Two holding companies each represented more than 10% of gross billings in 2025, which adds a layer of risk to the business.

In its latest annual report for FY 2025, revenue reached $2.9 billion, a growth rate of 18.5% over the previous year. The company reported a net income of $443.3 million, resulting in a net margin of 15.3%.

As of its December 2025 balance sheet, the debt-to-equity ratio was 0.2x, representing the amount of total debt compared to shareholder equity. The current ratio is 1.6x, meaning assets cover short-term liabilities. Free cash flow was $795.7 million, but stock-based compensation represented 49.4% of operating cash flow.

Risk profile comparison

Reddit faces significant risks regarding user engagement and community moderation. If users or moderators become dissatisfied with platform changes, declines in activity could directly harm revenue. Furthermore, the company relies on external ecosystems like Apple (NASDAQ:AAPL) and Alphabet (NASDAQ:GOOGL) (NASDAQ:GOOG) for users to access the Reddit app.

The Trade Desk lacks exclusive, long-term contracts, allowing clients to shift their spending to rivals with short notice. It also depends on access to ad inventory from suppliers that may also be competitors, such as Amazon (NASDAQ:AMZN). Finally, evolving global privacy regulations and the removal of tracking identifiers pose substantial operational burdens.

Valuation comparison

Reddit looks more expensive by its Forward P/E, which compares price to future earnings estimates, and P/S ratio, while The Trade Desk has the advantage in both valuation measures.

| Metric | Trade Desk | | |---|---|---| | Forward P/E | 19.5x | 10.9x | | P/S ratio | 10.5x | 2.0x |

Valuation metrics sourced from Financial Modeling Prep (FMP) and may differ from other data providers.

Which stock would I buy in 2026?

Reddit and The Trade Desk both rely on digital advertising to pay the bills. The Trade Desk's platform is all about facilitating digital ad campaigns, but despite this, Reddit is the stock to buy in 2026.

The arrival of artificial intelligence is changing the digital landscape. The potent AI capabilities of larger advertising rivals, such as Amazon and Alphabet-owned Google, give them an advantage that The Trade Desk is hard-pressed to match.

In fact, through the first half of 2026, The Trade Desk's $1.4 billion in revenue represents just a 7% year-over-year increase, a significant slowdown from 2025's 18.5% growth rate. Worse, the company expects Q3 sales to drop year over year to $650 million compared to $739 million in 2025. This suggests its business is in trouble.

Meanwhile, Reddit's core platform is about human connection and knowledge sharing. In an ever-expanding sea of AI-generated automation, the human element on Reddit helped it increase daily active unique users by 18% year-over-year to 130.3 million. As the user base grows, it attracts more advertisers. This key component makes Reddit an appealing long-term investment, especially since its user-generated content is not easily replicated by rivals.

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Robert Izquierdo has positions in Alphabet, Amazon, Apple, Reddit, and The Trade Desk. The Motley Fool has positions in and recommends Alphabet, Amazon, Apple, Reddit, and The Trade Desk. The Motley Fool has a disclosure policy.