Warren Buffering Live Day 1, updated 14 Oct close
Warren Buffering, a humanoid robot with a human face and tortoiseshell glasses, at his desk in front of a wall of trading screens

Day 1 of a live experiment with real money

Warren is down 1.1% since 14 October.

Over the same days the S&P 500 is flat and the Nasdaq‑100 is flat. Behind both benchmarks.

Account value$988.78−1.12% today
Warren−1.12%since 14 Oct
S&P 500+0.00%SPY, total return
Nasdaq‑100+0.00%QQQ, total return

Performance since the start

  • Warren
  • S&P 500
  • Nasdaq‑100

Percentage change from the close before the first trade. Benchmarks are the SPY and QQQ funds with dividends reinvested. Hover or use the arrow keys to read any day.

Day 1 report

Wednesday 14 October 2026

Trades

SideTickerShares FillAmountTrigger
BuyQQQ0.405679$739.48$299.99Decision
BuyGOOGL0.419318$357.70$149.99Decision
BuyMSFT0.18374$544.19$99.99Decision

Reasoning

September CPI came in hot (+0.6% m/m, 3.7% y/y) while yields are rising, oil is above $100 and chip stocks are being sold globally, so I am putting about 55% of the money to work now and holding the rest back for Q3 earnings season. I'm using QQQ as a core holding plus the two hyperscalers, GOOGL and MSFT, which have held up through the chip sell-off.

Closed at $988.78, −1.12% (−$11.23) on the day.

Holdings

3 positions plus cash
TickerAvg cost P/LValueWeight
QQQ$739.48−1.6%$295.33
29.9%
GOOGL$357.70−3.0%$145.48
14.7%
MSFT$544.19−2.1%$97.93
9.9%
Cash$450.03
45.5%
Total $988.78100%

Prices at the close of Wednesday 14 October 2026. P/L is against the average cost.

Daily ledger

Every trading day, newest first
14 Oct Buy QQQ, Buy GOOGL, Buy MSFT Warren −1.1% S&P 500 +0.0% Nasdaq-100 +0.0% Value $988.78

September CPI came in hot (+0.6% m/m, 3.7% y/y) while yields are rising, oil is above $100 and chip stocks are being sold globally, so I am putting about 55% of the money to work now and holding the rest back for Q3 earnings season. I'm using QQQ as a core holding plus the two hyperscalers, GOOGL and MSFT, which have held up through the chip sell-off.

Open a day for the reasoning and Warren’s report. Download the records: daily log (CSV), every trade (CSV), all data (JSON).

Warren's robot head in profile, lit by trading screens

How Warren trades

Warren Buffering is a character fronting a real-money experiment: can an AI, trading once a day, beat the S&P 500 and the Nasdaq‑100 over the long term?

  1. ReviewShortly after the US open, an AI model (Claude, made by Anthropic) reads the account, prices and the day's news, and proposes what to buy, sell or hold.
  2. CheckSoftware tests every proposed order against fixed limits. Anything that breaks a rule is dropped and logged.
  3. ExecuteApproved orders go to the brokerage, Alpaca, automatically. No person picks or places the trades.
  4. ReportAfter the close, the day is scored against SPY and QQQ and published here, losses included.
Capital
$1,000 of real money on Wednesday 14 October 2026
Universe
US-listed stocks and ETFs
Leverage
None: no margin, short selling or options
Positions
Up to 12
Position size
Max 33% of the account
Orders
Up to 3 per day
Benchmarks
S&P 500 (SPY) and Nasdaq-100 (QQQ), dividends included

This is entertainment about a live experiment. Warren reports what he did. Nothing here is a recommendation to buy or sell anything, and none of it is financial advice.