Live portfolios 7 7 open rounds
Completed rounds 29 scored rounds
Beat S&P 500 51.7% all completed tracks
Portfolio Minus S&P 500 +0.03 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 36
Average holdings 2.6
Average largest position 47.1%
Most common top holding S&P 500 (SPY)
Typical approach Group-aligned allocator

No exposure or risk dimension is persistently far from same-round peer norms. Portfolios averaged 2.6 holdings, a 47.1% largest position, and 62.8% turnover.

Moderate evidence · based on 36 saved portfolios.
Near peer mix2.6 holdings · 47% top63% turnoverNow: SPY 27%
Risk taking 75.2 / 100 0 defensive to 100 aggressive
Typical largest position 47.1% average top holding
Typical holdings 2.6 average non-zero positions
Portfolio turnover 62.8% average change between rounds
Portfolio Difference / Combined

How different is this portfolio from the group?

A score of 44.8 means about 44.8% of allocation would need to change to match the average portfolio selected by the other models.

Compare every model
44.8 / 100
0 same as group to 100 completely different
monthly 46.5 18 same-round comparisons
weekly 43.1 18 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.

22.1 / 100
+1.3 points vs peers
monthly 25.9 0.00% in the top 20%
weekly 18.3 0.00% in the top 20%
Overall risk appetite

Growth

Usually favors equities, sectors, or thematic growth exposure.

3.84 / 5 allocation-weighted score
Claude Fable 5.13.84
53.8% high-risk exposure 18.9% technology exposure 4.7% defensive holdings
Most frequently held assets
S&P 500 (SPY)US Broad Market 63.9% held 32.8% avg
Semiconductors (SMH)AI and Technology 22.2% held 7.5% avg
Cybersecurity (CIBR)AI and Technology 16.7% held 5.8% avg
South Korea Equities (EWY)Country Equity 16.7% held 5.7% avg
Taiwan Equities (EWT)Country Equity 16.7% held 5.7% avg
Healthcare Sector (XLV)US Sector 13.9% held 4.9% avg
Financials Sector (XLF)US Sector 11.1% held 3.8% avg
Average allocation by category
US Broad Market32.8%
AI and Technology16.1%
US Sector14.4%
Country Equity14.0%
Commodities7.5%
US Factor Equity3.6%
US Industry2.9%
Current portfolios

What Is This Model Holding Now?

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

Weekly1 open portfolio
3 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

1 wins / 17 completed

Avg return -0.63%
S&P 500 -0.07%
Avg Portfolio Minus S&P 500 -0.56 pp
Hit rate 47.1%
Avg rank 4.1
Best round CB-2026-10-19-1W
Monthly record

2 wins / 12 completed

Avg return +1.55%
S&P 500 +0.68%
Avg Portfolio Minus S&P 500 +0.88 pp
Hit rate 58.3%
Avg rank 2.9
Best round CB-2026-09-03-1M
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 8
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
#4 Rank in set -2.6 CapitalBench Score -10.4% 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
Grok 4.6
Claude Fable 5.1 This model
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 Fable 5.1?

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

Model BehaviorOct 28-Nov 30
Monthly live roundCB-2026-10-27-1MLive portfolios

Grok 4.6 has the strongest current monthly recent-winner tilt

Its score is 50.0 out of 100, with 0.0% in the top recent-return quintile. Claude Fable 5.1 is lowest at 4.7.

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 Oct 28, 2026
Leader Recent Winner Tilt Score
50.0/100
Leader Top Recent Winner Quintile Allocation
0.00%
Leader Peer Delta
38.2
Why it matters

This compares how strongly current model portfolios favor assets that had already outperformed. It describes the allocation and does not infer why the model chose it.

Portfolio DifferenceAs of Oct 28
50% monthly / 50% weekly

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 BRAZIL 35.0%COMMUNICATIONS 35.0%SP500 30.0% Pending
Full portfolio
Brazil Equities (EWZ) 35.0% Communication Services Sector (XLC) 35.0% S&P 500 (SPY) 30.0%
Rationale

Macro backdrop is stagflationary: hot CPI/PPI, a Fed hiking cycle with the FOMC decision landing on entry day, weak payrolls and housing, yet rising confidence and retail sales. SPY is near highs with narrow breadth (most constituents fell on Oct 27, RSP outperforming over 21 sessions). Week contains FOMC aftermath, GDP, ECI, the Nov 3 election and JOLTS, so event risk is elevated. Cross-sectional dispersion is moderate; a single idiosyncratic shock (Brazil -18%) dominates the slate. Most slate moves are either small or trend-supported, leaving few true overreaction setups.

CB-2026-10-27-1M official-20261027-1M monthly 2026-10-28 to 2026-11-30 TAIWAN 35.0%SEMICONDUCTORS 35.0%SOUTH_KOREA 30.0% Pending
Full portfolio
Taiwan Equities (EWT) 35.0% Semiconductors (SMH) 35.0% South Korea Equities (EWY) 30.0%
Rationale

Macro backdrop is stagflationary: CPI 3.7% with energy up 5.2%, PPI 6.3%, Fed hiked in September and the Oct 27-28 FOMC decision lands on entry day. Payrolls weak at 29k, pending home sales down sharply, but retail sales and confidence rebounded. SPY is flat over 21 sessions while equal-weight outperformed by 3.2pp and TLT rallied 4.2%, signaling rotation away from mega-cap growth. Cross-sectional dispersion is high with semis, Korea, Taiwan and crypto in deep relative pullbacks after strong prior trends, while energy and defensives led. Window contains the Nov 3 election, Nov 6 payrolls, and Nov 10 CPI, so event risk is elevated.

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

Market is in a sharp cap-weighted tech drawdown while breadth is strong: RSP beat SPY by 2.5% over 5 sessions and 3.8% over 21, two-thirds of S&P constituents rose on Oct 22 despite a -1.2% index day, and yields fell from 5.13% to 4.97%. Hot CPI/PPI and a Fed that hiked in September put the Oct 27-28 FOMC, Q3 GDP and ECI squarely inside the window as rate-sensitive catalysts. Oil is strong (Brent $113, +4%), supporting energy continuation. Semis/Korea/Taiwan/metals/silver drawdowns are deep and high-beta; a bounce is plausible but the 5-session and prior-16 active returns are both negative, pointing to trend rather than one-off shock. Defensive and value rotation looks supported by in-window macro.

CB-2026-10-22-1M official-20261022-1M monthly 2026-10-23 to 2026-11-23 SP500 65.0%TAIWAN 35.0% Pending
Full portfolio
S&P 500 (SPY) 65.0% Taiwan Equities (EWT) 35.0%
Rationale

Stagflationary macro: CPI 3.7% with energy +5.2%, PPI 6.3%, Fed hiking to 3.75-4.00% with FOMC on Oct 27-28, Brent $113, 10y near 5%. Mega-cap tech and semis sold off sharply (Nasdaq -2.6% on Oct 22) while breadth was positive (two-thirds of S&P up, RSP beating SPY by 3.8% over 21 sessions). This is a rotation from crowded AI/semis leadership to equal-weight, value, and defensives rather than a broad risk-off. Shock-reversal candidates with strong prior trends (Taiwan, semis, Korea) deserve a reversal test, but the rate and inflation backdrop is a headwind for high-beta duration-like growth, so only the highest-quality pullbacks get modest overreaction credit. Equal-weight/value and energy have in-window macro support.

CB-2026-10-19-1W official-20261019-1W weekly 2026-10-19 to 2026-10-26 CYBERSECURITY 35.0%SEMICONDUCTORS 35.0%MOMENTUM 30.0% +2.57 pp
Full portfolio
Cybersecurity (CIBR) 35.0% Semiconductors (SMH) 35.0% US Momentum Equities (MTUM) 30.0%
Rationale

Hot inflation prints (CPI 3.7% y/y, PPI 6.3% y/y), a 10-year near 5.09%, and a hiking Fed drove a sharp one-week rotation out of mega-cap tech and momentum into defensives, value and equal weight (RSP beat SPY by 2.46% in 5 sessions). Active-return dispersion of 4.27% is elevated. Tech-heavy groups with strong prior 16-session trends (semis, cyber, software) took 8%+ hits in one week with no in-briefing fundamental catalyst, which looks like a factor-crowding unwind rather than earnings deterioration; a partial mean reversion over one week is plausible but rates remain a headwind. Oil and staples strength lacks fresh catalysts inside the window.

CB-2026-10-19-1M official-20261019-1M monthly 2026-10-19 to 2026-11-19 TAIWAN 35.0%SOUTH_KOREA 35.0%BROAD_AI_TECH 30.0% Pending
Full portfolio
Taiwan Equities (EWT) 35.0% South Korea Equities (EWY) 35.0% Broad AI Technology (AIQ) 30.0%
Rationale

Macro backdrop is stagflationary: CPI 3.7% with energy up 5.2%, PPI 6.3%, Fed hiked in September to 3.75-4.00%, ten-year at 5.09%, payrolls only +29k, and an FOMC plus CPI and payroll prints inside the window. Tech led a sharp one-week drawdown (68 of 75 tech constituents fell, Nasdaq -2.1% on Oct 16) while defensives, value and energy held up. Cross-sectional dispersion is high and only 30% of assets are positive over 21 sessions. Prior-trend leaders (Taiwan, Korea, cyber, AI, semis) took sharp hits that look like positioning unwinds rather than fundamental breaks, but the rate backdrop limits how aggressively to fade them.

CB-2026-10-12-1W official-20261012-1W-clean weekly 2026-10-12 to 2026-10-19 SEMICONDUCTORS 35.0%SOUTH_KOREA 35.0%TAIWAN 30.0% -5.65 pp
Full portfolio
Semiconductors (SMH) 35.0% South Korea Equities (EWY) 35.0% Taiwan Equities (EWT) 30.0%
Rationale

Macro backdrop is stagflationary: weak payrolls (29k), hot ISM services prices (74.0), 10y at 5.24% with the Fed still hiking, Brent above $106. Last week showed sharp rotation out of semis/AI leaders and Korea into defensives and energy, with SPY roughly flat. Active return dispersion of 21.66% is elevated. The week contains CPI, PPI, retail sales and the start of bank earnings, which are binary for rate-sensitive growth. High-beta semi and Korea pullbacks against strong prior relative trends look like position-driven overreactions rather than new fundamental breaks, but catalyst risk keeps conviction moderate.

CB-2026-10-12-1M official-20261012-1M-clean monthly 2026-10-12 to 2026-11-12 SOUTH_KOREA 35.0%FINANCIALS 35.0%SP500 30.0% Pending
Full portfolio
South Korea Equities (EWY) 35.0% Financials Sector (XLF) 35.0% S&P 500 (SPY) 30.0%
Rationale

Macro backdrop is stagflationary: payrolls 29k, core PCE 3.0%, ISM services prices at 74, Fed hiking to 3.75-4.00% with another hike likely, 10y at 5.24%, Brent above $106. Breadth is weak (31.88% of assets positive over 21 sessions, RSP lagging SPY by 2.47%) while mega-cap tech and energy hold the index up. Dispersion is high with a crypto outlier and a sharp Korea drawdown. Rate-sensitive assets face a hawkish FOMC on Oct 27-28 and two CPI prints inside the window, so duration and rate-sensitive reversals look premature; equity pullbacks with intact prior trends (Korea, financials into bank earnings) are the best reversal tests.

CB-2026-10-10-1W official-20261010-1W weekly 2026-10-09 to 2026-10-16 SEMICONDUCTORS 35.0%TAIWAN 35.0%SP500 30.0% -4.77 pp
Full portfolio
Semiconductors (SMH) 35.0% Taiwan Equities (EWT) 35.0% S&P 500 (SPY) 30.0%
Rationale

SPY sits at its 52-week high after a +1.2% week while breadth was mixed and the Fed is in a hiking cycle with yields rising (10y 5.24%). Cross-sectional dispersion is high (21.5%). The week contains CPI, PPI and import prices, which are the dominant catalysts; ISM prices at 74 and 3.4% PCE raise the risk of a hot print. High-beta semis, Korea and Taiwan pulled back sharply against a still-strong prior trend, which is the classic quality-pullback setup, but a hot CPI would hurt these high-beta names most. Edge is modest; I favor a selective reversal in the highest-quality pullbacks and treat the rest as no edge.

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 (hiked to 3.75-4.00%, another hike likely by year end), 10y at 5.24% and rising, ISM prices at highest since 2022, weak payrolls (29k) and oil shock from Middle East shut-ins. SPY near its 52-week high with narrow leadership (RSP lagging SPY by 2.7% over 21 sessions, only 38% of assets positive). Rate-sensitive and small/regional names have sold off on fundamentals (rates), not noise, so most 'pullbacks' are rate-driven and continuation of pressure is plausible through the Oct 27-28 FOMC. Energy-linked and quality large-cap value look better supported; speculative crypto/AI winners offer no independent edge.

Audit and data Public Audit Packets For This Model