I let Claude AI trade $100 on Robinhood, week 7: It wrote a longer risk memo than the trade was worth

I let Claude AI trade $100 on Robinhood, week 7: It wrote a longer risk memo than the trade was worth
Disclosure: The Robinhood Agentic account I write about here holds 4 shares of Amprius Technologies (AMPX), bought on Wednesday at $12.24. This is my own money and my own opinion. I am not a financial advisor, and nothing here is investment advice. Do your own research.

Key points

  • Claude AI killed a trade in Riot (RIOT) up 9% after finding Riot had postponed its earnings call with no reason and no new date.
  • It bought 4 shares of Amprius (AMPX) at $12.24 instead, with a stop at $11.45. That's $49 committed.
  • It picked Amprius over Kratos (KTOS), which beat by 60% and was 9.8% off its high by 10:13 am.
  • Still 6 trades and 6 losses. The account is $69.03 at midday Wednesday.

Claude AI spent Wednesday morning running an institutional risk process on forty-nine dollars.

It pulled five-minute bars on four different stocks. It cross-checked an earnings calendar against a primary SEC filing. It computed a risk-reward ratio, cut its position size on purpose, and wrote a memo arguing against its own trade before it placed the order.

Then it bought four shares of a battery company and lost a dollar.

A rule for everything and a win for nothing

Seven weeks in, this thing has written itself most of a trading manual. Don't buy the high. Don't chase a stock that's already run. Don't hold through earnings. Don't buy back a stock that already stopped you out. Check whether today's green is real or just a gap that hasn't failed yet. Check whether the whole sector is up or only your stock.

Every one of those got written after a specific loss. There are six losses. There are no wins.

So it's built a rulebook entirely out of things that didn't work, and on Monday the rulebook cost it the best trade it's found. It wanted IonQ (IONQ) and bid $37.80 for it. The stock bottomed at $38.42 and went up almost 10% without it. Missed by 62 cents.

The one time the paranoia paid

Wednesday the caution finally earned its keep.

Riot Platforms (RIOT) was up almost 9% and it was the biggest thing a $70 account could buy. Three million shares traded in the first half hour against 17 million all of Tuesday. Claude AI had the trade built and ready.

Then it went to check whether Riot had actually reported earnings, because the calendar said it had. It hadn't. Riot postponed the call on August 4. No reason given. No new date.

The stock was up 9% on the morning its own earnings call was supposed to happen and didn't.

That catch is worth more than the trade was. The data feed said the report was confirmed. Every chart said the stock was strong, and the charts weren't lying. If you were long Riot on Wednesday, you were long a company that had just gone quiet for undisclosed reasons while your screener told you earnings went fine.

Its note on why that's worse than a normal earnings gamble:

No reason and no new date is worse than a scheduled print. With a scheduled print I know when to be flat. This one can resolve any morning. The market is pricing a bullish answer. The other answer gaps 25% to 50%, and no stop protects a gap.

I'd have bought it. It was the best-looking chart on the board and I'd have walked straight into it.

Then it bought a battery company

Kratos Defense (KTOS) and Amprius Technologies (AMPX) both reported Tuesday night. Kratos beat earnings estimates by more than 60%. Amprius beat on revenue and raised its full-year guidance. On a screener they looked like the same trade, up 8.5% and 12.8%.

The bars said otherwise. Kratos opened at $58.90, touched $62.34, and was $56.26 by 10:13 am. That's almost 10% off its high with volume drying up all morning. A 60% earnings beat getting sold all morning. Amprius gapped up, got flushed down to $11.56, then climbed back to a new high and sat on it.

It bought Amprius. Revenue was $34.0 million for the quarter, up 126%, and the company raised full-year guidance to at least $140 million. Its whole sector was red while it climbed. By mid-morning Eos Energy (EOSE) was down 12%, ChargePoint (CHPT) 2.7% and Plug Power (PLUG) 1.6%. Nothing else in the group was up, which is how it decided the buying was about Amprius and not about batteries.

Four shares at $12.24. Stop at $11.45. Forty-nine dollars committed and three dollars sixteen at risk.

It also wrote down, before buying, that this was a five-day bounce inside a 49% collapse and that the same shape accounts for four of its six losses. Then it bought it anyway. That's the most human thing it's done since June.

And then it lost

By 10:30 am Amprius was $11.85 and the position was down about a dollar fifty. Twenty minutes.

It hasn't come back either. At midday it's $11.89, which leaves $69.03 of my hundred. Six trades, six losses.

Here's what I can't get past. The Riot catch was genuinely good work. It came from reading a press release instead of trusting a data feed, which is more than most people bother with, and it would have saved a real person real money. The Kratos read was right too. Both calls were correct.

And it's down 31%.

So I own a trader that's excellent at avoiding mistakes and completely unable to make money. It has now produced more risk documentation than the account has dollars in it. That's the most thoroughly annotated losing streak I've ever seen.

Last week we wrote that buying the dip and holding the dip are different skills. We've also got six AIs running $10,000 paper accounts, and that Claude took the lead last week without ever placing an order. Easy to be smart when nothing fills.

The stop's at $11.45. If it breaks, week 8 starts in cash, and I'm sure there'll be an excellent note explaining why.

This is general market commentary and opinion, not investment advice. Markets can go down as well as up, and you can lose money. Always do your own research and consider speaking with a licensed financial professional before making any investment decision.

Frequently asked questions

What did Claude AI buy in the $100 Robinhood account on August 5, 2026?

Four shares of Amprius Technologies (AMPX) at $12.24 at 10:13 am ET, with a stop-loss order set at $11.45 immediately after the fill. That committed $48.96 of the account and put $3.16 at risk. It was the account's first position since it sold D-Wave Quantum (QBTS) on July 28, 2026.

Why did Claude AI pass on Riot Platforms (RIOT) when it was the biggest mover?

Riot was up almost 9% on the morning of August 5, 2026, but the company had issued a press release on August 4 postponing its second-quarter earnings call, giving no reason and announcing no new date. The earnings calendar still listed the August 5 report as confirmed, so the move looked like an earnings reaction to a stock that had not reported. An unscheduled disclosure can arrive outside market hours, and stop orders only execute during regular trading, so a small cash account has no way to limit that risk.

What did Amprius Technologies report for the second quarter of 2026?

Revenue of $34.0 million, up 126% from $15.1 million a year earlier and ahead of the $29.3 million analysts expected. Gross margin was 27%, up from 9% a year earlier. Net loss attributable to common stockholders was $5.1 million, a 20% improvement, including a $1.9 million non-cash charge tied to a warrant exchange. Amprius raised its 2026 revenue outlook to at least $140 million from at least $130 million and lifted its gross margin guidance to at least 28% from 25%.

Why did Claude AI skip Kratos Defense (KTOS) after an earnings beat?

Kratos reported $0.21 a share against a $0.13 estimate on August 4, 2026, its seventh consecutive beat. The stock opened at $58.90 the next morning and reached $62.34, then traded at $56.26 by 10:13 am, close to 10% below its high, with five-minute volume falling steadily through the morning. Amprius reported the same night and was holding near its high instead. A stock being sold down from its high on good news is the opposite of the reaction the account was looking for.

What is the track record of the $100 Claude AI Robinhood account?

Six closed trades and six losses since the account was funded on June 30, 2026, for realized losses of $29.57. The account was worth $69.03 at midday on August 5, 2026, holding four shares of Amprius and $21.47 in cash. Every closed position so far has been exited at a loss, and the sessions where it stayed in cash are the only ones that have not lost money. This is general market commentary and not investment advice.

More on AMPX and RIOT

David Han
David Han

David Han is the founder of AIStockWire, where he covers AI, semiconductors, and technology stocks. He focuses on finding stories the market hasn’t fully connected yet, drawing on filings, insider activity, earnings, and industry data. His commentary has been quoted by U.S. News & World Report, Moneywise, and Yahoo Finance. He invests in the companies he writes about and discloses his positions. Nothing he publishes is investment advice.