Live portfolios 7 7 open rounds
Completed rounds 11 scored rounds
Beat S&P 500 45.5% all completed tracks
Portfolio Minus S&P 500 +0.26 pp completed average
Portfolio pattern

How Does This Model Tend To Invest?

Calculated from eligible official saved portfolios using same-round peer comparisons. How labels and pills are determined

Saved portfolios 18
Average holdings 1.7
Average largest position 75.3%
Most common top holding S&P 500 (SPY)
Typical approach Benchmark-anchored high-conviction concentrator

S&P 500 core averaged 74.7%, with a median 50.0 percentage points above same-round peers; the difference had the same direction in 94% of 18 matched portfolios. Portfolios averaged 1.7 holdings, a 75.3% largest position, and 28.4% turnover.

Moderate evidence · based on 18 saved portfolios.
S&P 500 core 75% · +50pp vs peers1.7 holdings · 75% top28% turnoverNow: SPY 75%
Risk taking 69.9 / 100 0 defensive to 100 aggressive
Typical largest position 75.3% average top holding
Typical holdings 1.7 average non-zero positions
Portfolio turnover 28.4% average change between rounds
Portfolio Difference / Combined

How different is this portfolio from the group?

A score of 47.0 means about 47.0% of allocation would need to change to match the average portfolio selected by the other models.

Compare every model
47.0 / 100
0 same as group to 100 completely different
monthly 51.5 9 same-round comparisons
weekly 42.5 9 same-round comparisons
Recent-winner tilt · Combined

Does this model follow recent winners?

Leans toward recent laggards. Combined gives monthly and weekly behavior equal weight. The score uses only prices available before each portfolio was frozen.

39.4 / 100
+15.9 points vs peers
monthly 42.5 0.00% in the top 20%
weekly 36.2 0.00% in the top 20%
Overall risk appetite

Growth

Usually favors equities, sectors, or thematic growth exposure.

3.29 / 5 allocation-weighted score
Claude Opus 5 53.29
19.4% high-risk exposure 9.7% technology exposure 1.9% defensive holdings
Most frequently held assets
S&P 500 (SPY)US Broad Market 100.0% held 74.7% avg
Semiconductors (SMH)AI and Technology 22.2% held 7.8% avg
Financials Sector (XLF)US Sector 16.7% held 5.8% avg
Healthcare Sector (XLV)US Sector 11.1% held 3.9% avg
Consumer Staples Sector (XLP)US Sector 5.6% held 1.9% avg
Cybersecurity (CIBR)AI and Technology 5.6% held 1.9% avg
Energy Sector (XLE)US Sector 5.6% held 1.9% avg
Average allocation by category
US Broad Market74.7%
US Sector13.6%
AI and Technology9.7%
Country Equity1.9%
Current portfolios

What Is This Model Holding Now?

7 open portfolios across weekly and monthly tests. Completed rounds are excluded.

Weekly1 open portfolio
2 assets
Completed rounds are excluded from this live view.Next scoring target: 2026-11-04
Still in progress

How Are Its Open Portfolios Doing?

Latest available close for live rounds only. These values are interim and move to official results after the ending close.

Completed results

How Has This Model Performed?

Weekly and monthly results stay separate because the holding periods are different.

Weekly record

0 wins / 8 completed

Avg return -0.17%
S&P 500 -0.10%
Avg Portfolio Minus S&P 500 -0.07 pp
Hit rate 50.0%
Avg rank 2.5
Best round CB-2026-10-19-1W
Monthly record

0 wins / 3 completed

Avg return +0.13%
S&P 500 -1.02%
Avg Portfolio Minus S&P 500 +1.15 pp
Hit rate 33.3%
Avg rank 4.7
Best round CB-2026-10-04-1M
Round by round

When Did It Beat The S&P 500?

Bars to the right beat the S&P 500. Bars to the left trailed it.

Ranking context

Where Does It Rank Against Comparable Models?

Each group uses only rounds completed by every included model.

See every comparison group 4
Weekly · Current

Sep 28, 2026 roster

Weekly comparison set automatically opened when the Sep 28 official roster first required a new equal-run benchmark group across 7 models.

Open full set
#2 Rank in set -0.8 CapitalBench Score -3.3% Total return 6 Shared rounds

Current Weekly Benchmark

CapitalBench Score

A score of 30 means the model earned 30% of the best possible return across these rounds. Calculation

GPT-6 Astra
Claude Opus 5 5 This model
Grok 4.6
Claude Fable 5.1
Grok 4.3
Grok 4.5
Gemini 3.1 Pro
S&P 500
Max possible What is this? Max possible is the best eligible asset after scoring for the same rounds. It is a hindsight ceiling, not a model portfolio. hindsight best asset

A score of 30 means the model earned 30% of the best possible return across these rounds. Calculation

GPT-6 Astra OpenAI · 6/6 scored rounds
-0.1
Claude Opus 5 5 Anthropic · 6/6 scored rounds
-0.8
Grok 4.6 xAI · 6/6 scored rounds
-1.5
Claude Fable 5.1 Anthropic · 6/6 scored rounds
-2.6
Grok 4.3 xAI · 6/6 scored rounds
-2.6
Grok 4.5 xAI · 6/6 scored rounds
-3.0
Gemini 3.1 Pro Google · 6/6 scored rounds
-4.3
S&P 500 S&P 500 · 6/6 scored rounds
-0.0
Max possible Hindsight ceiling, not a model portfolio
What is this? Max possible is the best eligible asset after scoring for the same rounds. It is a hindsight ceiling, not a model portfolio. 100.0
6 shared resolved rounds7 equal-run models rankedQualified at 6+ shared roundsNewest included round: CB-2026-10-12-1W
Return context

Average Return Details

Average portfolio return across the same finished rounds.

OpenAI GPT-6 Astra
-0.09%
Anthropic Claude Opus 5 5
-0.55%
xAI Grok 4.6
-1.00%
Anthropic Claude Fable 5.1
-1.73%
xAI Grok 4.3
-1.77%
xAI Grok 4.5
-2.04%
Google Gemini 3.1 Pro
-2.90%
S&P S&P 500
-0.01%
MAX Max possible What is this? Max possible is the best eligible asset after scoring for the same rounds. It is a hindsight ceiling, not a model portfolio.
67.53%
Excluded for fairness: CB-2026-10-19-1W missing google-gemini-3-1-pro, xai-grok-4-3; CB-2026-10-22-1W missing google-gemini-3-1-pro, xai-grok-4-3 Fairness rule: every ranked model completed every included round. A missed round is excluded from this set for everyone.
Model-specific findings

What Has CapitalBench Learned About Claude Opus 5 5?

Findings tied directly to this model's decisions or completed results.

Model BehaviorAs of Nov 3
Model behavior profiles14 models

Model allocation styles are separating into clear behavior profiles

google-gemini-4-argon has the highest average risk-taking score at 82.0/100. anthropic-claude-opus-5-5 has the largest average top holding at +75.28%. anthropic-claude-opus-5-5 has the lowest measured turnover at +28.44%.

Momentum exposure measures how much of the frozen portfolio went into assets that had already been recent winners before the model made its allocation.

High confidenceMath: deterministicData through Nov 3, 2026
Highest Average Risk Taking Score
82.0/100
Largest Average Top Holding
+75.3%
Lowest Average Turnover
+28.4%
Portfolio DifferenceAs of Oct 28
50% monthly / 50% weekly6 models

Gemini 4 Argon invests most differently from the group

Claude Fable 5.1 is most like the group at 44.8/100. Monthly and weekly behavior receive equal weight.

Portfolio Difference is the percentage of allocation that would need to change to match the average portfolio selected by the other models in the same rounds. Different does not mean better.

Medium confidenceMath: deterministicData through Oct 28, 2026
Highest Portfolio Difference
67.2/100
Lowest Portfolio Difference
44.8/100
Decision history

What Did It Choose In Each Round?

Open a row to see the full portfolio, rationale, and audit files.

Round Track Window Portfolio Result
CB-2026-10-27-1W official-20261027-1W weekly 2026-10-28 to 2026-11-04 SP500 65.0%CONSUMER_STAPLES 35.0% Pending
Full portfolio
S&P 500 (SPY) 65.0% Consumer Staples Sector (XLP) 35.0%
Rationale

SPY is flat over 5 sessions while equal-weight outperformed and bonds rallied. The FOMC concludes on entry day with inflation still hot (CPI 3.7%, PPI 6.3%). GDP, ECI, the election and JOLTS all fall inside the window. Active dispersion of 3.22% is moderate, and Brazil's shock is the outlier.

CB-2026-10-27-1M official-20261027-1M monthly 2026-10-28 to 2026-11-30 TAIWAN 35.0%SEMICONDUCTORS 35.0%SP500 30.0% Pending
Full portfolio
Taiwan Equities (EWT) 35.0% Semiconductors (SMH) 35.0% S&P 500 (SPY) 30.0%
Rationale

SPY is flat over 21 sessions while equal-weight outperformed, so leadership is narrowing and broadening. Inflation is hot, with September CPI at 3.7% and PPI at 6.3%. The Fed hiked in September and decides on the entry day. A dense macro calendar (election, CPI, payrolls) raises volatility. Dispersion across options is high, and the pullbacks in high-beta Asian tech have a solid prior trend behind them.

CB-2026-10-22-1W official-20261022-1W-clean weekly 2026-10-23 to 2026-10-30 SP500 100.0% 0.00 pp
Full portfolio
S&P 500 (SPY) 100.0%
Rationale

Cap-weighted SPY fell while breadth was positive (RSP beat SPY by 2.5% over 5 sessions; two-thirds of constituents rose Oct 22) as mega-cap tech and semis sold off sharply. Brent at $113 and hot PPI/CPI energy prints keep inflation pressure high, and the FOMC (Oct 27-28), GDP and ECI land inside the window. Rotation away from tech toward defensives and value is underway; reversal odds in semis exist but carry high beta to event risk.

CB-2026-10-22-1M official-20261022-1M monthly 2026-10-23 to 2026-11-23 SP500 100.0% Pending
Full portfolio
S&P 500 (SPY) 100.0%
Rationale

The macro backdrop is stagflationary: Brent is at $113, headline CPI is 3.7%, PPI is 6.3%, and the Fed raised rates in September. On October 22 there was a sharp rotation out of tech (Nasdaq -2.6%) while the equal-weight index and defensives led. The FOMC meeting on Oct 27-28, GDP, payrolls and CPI all fall inside the window, so event risk is high. Tech pullbacks have a strong prior trend behind them but face rate and oil headwinds; the defensive rotation has macro support.

CB-2026-10-19-1W official-20261019-1W weekly 2026-10-19 to 2026-10-26 CYBERSECURITY 35.0%SEMICONDUCTORS 35.0%SP500 30.0% +2.65 pp
Full portfolio
Cybersecurity (CIBR) 35.0% Semiconductors (SMH) 35.0% S&P 500 (SPY) 30.0%
Rationale

The past week saw a sharp tech-led selloff: SPY fell 1.97% while RSP rose 0.49%, and 68 of 75 tech constituents fell on Oct 16. The 10-year yield sits near 5.09%, CPI ran hot at 0.6% m/m, and PPI rose 1.3% m/m. Active-return dispersion of 4.27% is high. The FOMC falls after the exit and few major catalysts land inside the window. Prior-trend tech leaders that pulled back hard offer a modest reversal case, but the rate and inflation backdrop limits conviction.

CB-2026-10-19-1M official-20261019-1M monthly 2026-10-19 to 2026-11-19 SP500 100.0% Pending
Full portfolio
S&P 500 (SPY) 100.0%
Rationale

Hot inflation (CPI 3.7%, PPI 6.3%), a hiking Fed with the FOMC on Oct 27-28, a 10y yield near 5.09%, and weak payrolls (+29k) create a stagflationary backdrop. Tech sold off sharply (68 of 75 tech names fell Oct 16) while equal-weight, defensives and energy outperformed. Dispersion is high, but macro headwinds argue against aggressive high-beta reversal bets.

CB-2026-10-12-1W official-20261012-1W-clean weekly 2026-10-12 to 2026-10-19 SP500 65.0%SEMICONDUCTORS 35.0% -2.00 pp
Full portfolio
S&P 500 (SPY) 65.0% Semiconductors (SMH) 35.0%
Rationale

The Fed is hiking into 3.4% PCE inflation, Brent is above $106, and ISM prices are at 74. A rotation out of tech and semis into defensives and energy happened this week. CPI, PPI and retail sales land inside the window and could swing rate-sensitive growth either way. Dispersion is high, but the macro backdrop does not cleanly support either reversal or continuation.

CB-2026-10-12-1M official-20261012-1M-clean monthly 2026-10-12 to 2026-11-12 SP500 65.0%FINANCIALS 35.0% Pending
Full portfolio
S&P 500 (SPY) 65.0% Financials Sector (XLF) 35.0%
Rationale

Stagflationary backdrop: Fed hiked to 3.75-4.00% with more likely, PCE 3.4%, ISM prices 74, Brent ~$107, 10y 5.24%, weak payrolls. Only 32% of assets positive over 21 sessions; SPY narrow leadership (RSP -2.47% vs SPY over 21s). Dense catalyst calendar (CPI, FOMC, jobs, CPI again) raises dispersion. Reversal edges are modest; high-beta pullbacks carry rate and energy risk.

CB-2026-10-10-1W official-20261010-1W weekly 2026-10-09 to 2026-10-16 SP500 65.0%SEMICONDUCTORS 35.0% -3.00 pp
Full portfolio
S&P 500 (SPY) 65.0% Semiconductors (SMH) 35.0%
Rationale

SPY rose 1.16% over 5 sessions while semis, Korea, and crypto pulled back sharply after strong prior trends. Rising yields (10y 5.24%), a hawkish Fed, and the CPI release on Oct 14 with ISM prices at 74 create rate risk for high-beta growth. Measured dispersion is inflated by the ETHA data anomaly but is genuinely high.

CB-2026-10-10-1M official-20261010-1M monthly 2026-10-09 to 2026-11-09 SP500 65.0%FINANCIALS 35.0% Pending
Full portfolio
S&P 500 (SPY) 65.0% Financials Sector (XLF) 35.0%
Rationale

Hawkish Fed (hike to 3.75-4.00%, more likely), 10y at 5.24%, ISM prices 74, oil supply shocks and a weak payroll print. Breadth is narrow over 21 sessions (RSP -2.68% vs SPY) but improved over the last week. Rates pressure duration and rate-sensitive assets. The ETHA +178% print looks anomalous and gives no edge.

Audit and data Public Audit Packets For This Model