A deep dive into how Robinhood makes money and how its UX design and algorithmic nudges can lead some inexperienced investors to undertake riskier trades
Don't be the gravy … For someone who clearly has strong opinions they enjoy communicating with others, investing occupies a weird place for me. Tweets: @sanatvc , @iggyfanlo , @cyprianfrancis , @richardmatthias , @benfjohnson , @mdudas , @carnage4life , @carnage4life , @dav1dkang , @2joshis , @bgurley , @aneel , @ranjanxroy , and @mylesudland Tweets: @sanatvc : Still amazed that #Robinhood is legally allowed to ‘sell’ their (unsophisticated) customer's order-flow to Citadel (the worlds biggest options market-maker) who essentially trades against them. A brilliant business for both 😓 https://twitter.com/... Iggy Fanlo / @iggyfanlo : Fantastic article... and “soft dollars” and kickbacks are somehow “not” considered white collar crime which they are... https://twitter.com/... Cyprian Francis / @cyprianfrancis : But it's user friendly. Extremely user friendly... https://twitter.com/... Richard Matthias / @richardmatthias : The irony that they called it Robinhood... It's the essence of Silicon Valley ‘disruption’ - convince people they're getting something for free when they're actually paying through the nose for it. Concentrating wealth as much as possible. https://themargins.substack.com/ ... Ben Johnson / @benfjohnson : Fascinating read about the business model and history of Robinhood. There's a reason brokerages have traditionally had even nominal trade fees and made it difficult to make riskier trades (like options). Free trades are driving crazy revenue, but is it worth the effects? https://twitter.com/... Mike Dudas / @mdudas : A terrific perspective on @RobinhoodApp from a former trader and top-notch writer + analyst, @ranjanxroy https://themargins.substack.com/ ... Dare Obasanjo / @carnage4life : In summary, Robinhood encourages legalized gambling and makes money on the price you pay for securities (bid ask spread) and a UI that encourages making lots of relatively cheap options trades versus expensive stock trades. Dare Obasanjo / @carnage4life : $0 trading fees on Robinhood are like free shipping on Amazon. It's built into the price you pay for securities instead of being separate. It also makes it easy to trade options which require less money to trade than stocks is basically legalized gambling https://themargins.substack.com/ ... David / @dav1dkang : “While the universal rule of “everyone talking about their investments is partially lying” might not be a widespread axiom, the rule of “if you're not paying, you are the product” is a bit more well-known.” https://twitter.com/... Shree Joshi / @2joshis : “in investing, more than probably any other area of life, assume everyone is at least partially lying.” https://twitter.com/... Bill Gurley / @bgurley : This is a fantastic article. But to me the most bizarre part is that a broker is allowed by the SEC to sell your order flow and pick up a kickback (and not share that kickback w customer). Why is that OK? What is the valid argument for why this should be reasonable? https://twitter.com/... @aneel : “Naming yourself after the character who stole from the rich to give to the poor, while making a ton of money off of your customers for the billionaire who, again, literally bought the most expensive house in America...” https://themargins.substack.com/ ... Ranjan / @ranjanxroy : In this week's @ReadMargins i wrote about how robinhood makes money, the importance of learning to lose money, and why you should avoid being the financial gravy. https://themargins.substack.com/ ... Myles Udland / @mylesudland : “Robinhood is just another market-making operation, but instead of a salesperson in Gucci-bit loafers getting you a tee time at Wingfoot to encourage you to deal, it's UX designers building in algorithmic nudges. But the goal is the same. Trade more.” https://themargins.substack.com/ ... Expand More For Next Unexpand More For Next
Context & Ripple Effects
This piece unpacks the machine behind Robinhood's fee-free promise: as Tenev and Bhatt built it, the brokerage disrupted rivals by selling customers' order flow to market makers like Citadel and embedding $0 fees in the bid-ask spread rather than charging commissions. The article argues the same design choices are behavioral levers — UX patterns and algorithmic nudges that push inexperienced users toward higher-volume, riskier trades.
The timing matters because the critique is converging from several directions at once: reporting on young investors trading at far higher volumes than other brokerages' customers surfaced a year of those stories, regulators' scrutiny was building ahead of the company listing, and by the time Robinhood priced its IPO at a ~$32B valuation, public-market investors were effectively underwriting this exact revenue model.
First-order effects
- Robinhood's revenue engine is now fully visible to its own customers: order-flow kickbacks from Citadel and bid-ask spread capture replace explicit fees, meaning the app's most engaged users — pushed toward frequent options trading — generate the most value for the broker, not necessarily for themselves.
- Users who took leveraged or concentrated positions faced forced de-risking when Robinhood told some customers it would close positions to cut account risk, an intervention that lands hardest on exactly the inexperienced traders the nudges encouraged.
Second-order effects
- Competitors like Webull, SoFi, and Uphold copied the commission-free structure but inherit the same trade-offs: as the WSJ piece on these brokers shows, the platforms make even basic tax-minimizing moves difficult, so switching brokers doesn't escape the design constraints — only changes which platform captures the spread.
- Citadel and other market makers gain a structural edge over the retail flow they buy; the more Robinhood grows engagement among unsophisticated traders, the more predictable and profitable that flow becomes for the buyer side of the trade.
Third-order effects
- The pattern points toward a brokerage industry where the customer is the product and disclosure becomes the battleground: critics framing easy options access as legalized gambling give the SEC a concrete hook to regulate payment-for-order-flow transparency and suitability standards for app-based trading.
- If the 'democratizing finance' framing fails to close the wealth gap it claims to target — the concern raised in the New Yorker profile tracing Robinhood's origins to Occupy Wall Street — the long-term cost falls on trust in retail investing itself, with post-IPO shareholders (the stock fell 8% on debut) absorbing reputational risk alongside the company.
The trend: Retail brokerage is consolidating around engagement-maximizing platforms whose profits come from trading frequency and order-flow sales rather than fees, forcing regulators to decide whether gamified investing needs gambling-style safeguards.