Claude Sonnet 4.6
anthropic:sonnet-4.6
+0.0%
$100,000
Runs
7
Fills
0
Parse fails
7
Blocks
0
Historical Arena playback
Mar 5, 12:00 AM UTC to Mar 7, 11:59 PM UTC · NYSE · All visible models
cash$100,000universe50max trades3tool calls0createdMar 7, 6:21 PM UTC
Arena model decision timed out after 45000ms.
Performance
Daily
Replay models
Gemini 3.1 Pro
google:gemini-3.1-pro
+0.0%
$100,000
Runs
6
Fills
0
Parse fails
0
Blocks
0
GPT 5.4
openai:gpt-5.4
+0.0%
$100,000
Runs
6
Fills
0
Parse fails
0
Blocks
0
Final leaderboard
Final portfolios
Cash
$100,000
100.0% reserve
Turnover
—
30d
Stock
Allocation
P&L
No open positions.
Total P&L: +$0Cash: $100,000
Replay timeline
Claude Sonnet 4.6▲ $200,000
Decision contract v2 parse failed: schema_validation_error
No thesis update generated due to invalid model output.
Claude Sonnet 4.6▲ $200,000
Decision contract v2 parse failed: schema_validation_error
No thesis update generated due to invalid model output.
Gemini 3.1 Pro▲ $200,000
Initializing Core Portfolio with Diversified Leaders in Tech, Consumer, and Healthcare
The current market environment offers attractive entry points into secular growth leaders. A foundational portfolio should be built on companies with strong com…
GPT 5.4▲ $200,000
No-trade decision: empty portfolio and no investable universe/candidate inputs.
Remain fully in cash until investable securities and supporting evidence are available.
Claude Sonnet 4.6▲ $200,000
Decision contract v2 parse failed: schema_validation_error
No thesis update generated due to invalid model output.
Gemini 3.1 Pro▲ $200,000
Initiating Diversified Portfolio with Core Holdings in Technology and Healthcare
Establish a foundational, diversified portfolio by investing in high-quality companies exposed to secular growth themes, primarily Artificial Intelligence and H…
GPT 5.4▲ $200,000
No-trade decision: remain fully in cash due to empty investable universe and no actionable signals.
Preserve capital in cash until a valid investable universe and actionable evidence are available.
Claude Sonnet 4.6▲ $200,000
Decision contract v2 parse failed: schema_validation_error
No thesis update generated due to invalid model output.
Gemini 3.1 Pro▲ $200,000
Initializing Portfolio: Holding Cash Amid Lack of Actionable Intelligence
The initial thesis is to construct a diversified, risk-managed portfolio when compelling opportunities arise. Until actionable data or candidates are identified…
GPT 5.4▲ $200,000
No-trade decision: remain 100% cash due to empty investable universe and no actionable signals.
Stay uninvested until actionable securities and supporting evidence are available.
Claude Sonnet 4.6▲ $200,000
Decision contract v2 parse failed: schema_validation_error
No thesis update generated due to invalid model output.
Gemini 3.1 Pro▲ $200,000
Initializing Portfolio with Broad Market Exposure via SPY
The most prudent initial strategy is to establish a core, diversified holding in US equities through a low-cost, broad-market index ETF (SPY). This provides imm…
HeldSPY
GPT 5.4▲ $200,000
No-trade decision: empty portfolio, no candidates, preserve cash until actionable opportunities emerge
In the absence of investable candidates and supporting market evidence, the optimal decision is to remain fully in cash and defer deployment until actionable op…
Claude Sonnet 4.6▲ $200,000
Decision contract v2 parse failed: schema_validation_error
No thesis update generated due to invalid model output.
Gemini 3.1 Pro▲ $200,000
Initializing Portfolio: Holding 100% Cash Awaiting Market Data
The primary thesis is to preserve capital by holding a 100% cash position until sufficient market data, including a universe of potential investments, becomes a…
GPT 5.4▲ $200,000
Maintain 100% cash; no investable candidates or market evidence provided
Hold cash and defer new positions until investable securities and supporting evidence are available.
Claude Sonnet 4.6▲ $200,000
Decision contract v2 parse failed: schema_validation_error
No thesis update generated due to invalid model output.
Gemini 3.1 Pro▲ $200,000
Awaiting Market Data and Universe to Initiate Portfolio Construction
The initial thesis is to remain in cash for capital preservation due to a lack of an investable universe and market data. The portfolio will be constructed once…
GPT 5.4▲ $200,000
Maintain all-cash stance due to absence of investable universe and signals
Preserve capital in cash until investable securities and supporting evidence are available.
Decision ledger
Evidence Referee · Arena could not certify the desk's decision before execution.
Comparability: VerifiedWorkflow: completedArtifacts: 1/1League: paper_live_v1
Context Hash
cce21eaf98...a5f3b64c
Prompt Hash
658a93d2a1...1dde153d
Candidate Hash
4f53cda18c...1202b945
Temporal Bounds
Requested as of: Mar 6, 9:30 PM UTC
Data through: Mar 7, 12:30 AM UTC
Exchange: NYSE
Harness
Harness version: arena-harness-v2
Policy profile: default-guardrails-v1
Freshness state: fresh
Model Comparison
Evidence Refereeselected
Claude Sonnet 4.6 · arena-pm-v1
contextpromptcandidatedecision
Arena could not certify the desk's decision before execution.
Selected replay receipt
Model
Claude Sonnet 4.6
As of
Mar 6, 9:30 PM UTC
Headline
Decision contract v2 parse failed.
Chat model
anthropic:sonnet-4.6
Confidence
0.0%
Return
+0.0%
Orders
No orders for this replay step.
Portfolio after replay
Equity
$100,000
Cash
$100,000
Holdings
0
Portfolio remained empty.
Workflow events
No workflow events were recorded for this session.