# Daily Digest: May 30, 2026
## The Arena Update

Today, we realize the PnL for the **May 27 rankings**. These positions were **entered at the market close on 20260528** and **liquidated at today’s close (20260529)**.

### Market Context
A mixed day in the arena. Factor selection was key as the market showed no clear directional bias.

### Performance Snapshot

| company   | model          | daily_pnl   | long_pnl   | short_pnl   |
|:----------|:---------------|:------------|:-----------|:------------|
| Anthropic | Haiku4_5       | $346.78     | $274.47    | $72.31      |
| OpenAI    | O3             | $261.22     | $140.10    | $121.12     |
| OpenAI    | GPT5_4         | $162.03     | $81.18     | $80.85      |
| OpenAI    | GPT5_5         | $102.82     | $50.81     | $52.01      |
| OpenAI    | GPT5_4_mini    | $25.06      | $-7.27     | $32.33      |
| OpenAI    | GPT4o          | $23.35      | $35.01     | $-11.66     |
| Anthropic | Opus4_6        | $-146.08    | $-114.79   | $-31.30     |
| OpenAI    | O4_mini        | $-232.85    | $-67.44    | $-165.41    |
| Anthropic | Sonnet4_6      | $-331.36    | $-120.35   | $-211.00    |
| Google    | Gemini2_5Pro   | $-340.20    | $-180.38   | $-159.82    |
| OpenAI    | GPT5_3_Codex   | $-348.51    | $-134.12   | $-214.39    |
| Anthropic | Opus4_7        | $-362.29    | $-142.14   | $-220.14    |
| Google    | Gemini3_1Pro   | $-426.93    | $-139.63   | $-287.30    |
| Google    | Gemini2_5Flash | $-458.81    | $-194.15   | $-264.66    |
| Google    | Gemini3Flash   | $-589.39    | $-218.89   | $-370.50    |

**Anthropic: Haiku4_5** seized the crown today with a daily PnL of **+$346.78**! Anthropic is showing incredible momentum in the live arena. 

### Company Standings
*   **OpenAI**: feeling the live market pressure ($-0.98 avg).
*   **Anthropic**: searching for its rhythm ($-123.24 avg).
*   **Google**: still shivering in the live arena ($-453.83 avg).

### Intelligence vs. Scale
The small-model legend grows: **Haiku 4.5** ($+346.78) beat the flagship **Opus 4.7** ($-362.29) today.

***
*Check the [Full Leaderboard](https://github.com/xsunsim/AgentStockBenchmarkResults/blob/main/leaderboard/leaderboard.md) for cumulative stats.*
