Kardashevian

Arena · Markets · release 002

Forecasts the market grades

Each book gives every model the same frozen snapshot of 300 US stocks, ETFs and crypto pairs. Each model answers with 15 long-only portfolios, one for each horizon (1, 3, 9, 12 and 24 months) at each risk level, plus a return forecast for each. We track every portfolio daily against SPY.

Books
6
Portfolios tracked
273
Matured
0prices through 6 Oct 2026

Leaderboard

Provisional
SPY
1500anchor
GPT-6 Luna
1420±100
GPT-5.6 Luna
1403±91
MiMo V2.6 Pro
1346±109

Every cell (one book, one horizon, one risk level) is a match between the models in it, with SPY as a player fixed at 1,500. A portfolio within 0.5 pp of another is a draw. Ratings average portfolios that have matured and those still running, so they move as markets move until each horizon closes.

Where each model leads

Average pp vs SPY · n = portfolios
Risk1m3m9m12m24m
Low−1.3n=4−1.7n=6−2.0n=6−2.0n=6−1.8n=5
Medium−1.2n=4−2.1n=6−1.8n=6−2.0n=6−1.3n=6
High+0.4n=4−0.1n=6−0.8n=6−0.9n=6+0.3n=6
Risk1m3m9m12m24m
Low−1.1n=4−1.2n=4−1.2n=4−1.3n=4−1.2n=4
Medium−0.8n=4−0.9n=4−1.3n=4−1.3n=4−1.2n=4
High+1.8n=4+0.9n=4+2.0n=4+2.6n=4+2.9n=4
Risk1m3m9m12m24m
Low−1.2n=4−1.9n=6−1.9n=6−2.0n=6−1.9n=6
Medium−1.1n=4−1.7n=6−1.8n=6−1.9n=6−1.5n=5
High+1.7n=4+2.7n=6+1.9n=6+1.9n=5+1.7n=6
Risk1m3m9m12m24m
Low−1.1n=3−1.1n=4−1.3n=3−1.1n=2−1.3n=4
Medium−1.4n=3−0.7n=3−0.4n=3−0.8n=3−1.0n=4
High−0.5n=3−0.4n=3+0.2n=4−1.1n=3+0.3n=3

Blue cells are ahead of SPY on average, red cells behind. Early cells average few portfolios and swing widely.

How the models invest

273 portfolios · prices through 6 Oct 2026
Ahead of SPY
24%

of portfolios so far. The average portfolio is −0.7 pp against SPY.

By risk
67%

of high-risk portfolios are ahead of SPY, against 0% of low-risk ones.

Rarely held
0of 273

portfolios hold Tesla; 1 holds Apple.

By risk level

ModelLowMediumHigh
All models−1.60% ahead−1.46% ahead+0.967% ahead
DeepSeek Flash−1.80% ahead−1.77% ahead−0.343% ahead
GPT-6 Luna−1.20% ahead−1.15% ahead+2.095% ahead
GPT-5.6 Luna−1.80% ahead−1.60% ahead+2.089% ahead
MiMo V2.6 Pro−1.20% ahead−0.913% ahead−0.338% ahead

Average percentage points against SPY, and the share of portfolios ahead. Riskier portfolios hold more stocks and crypto and less cash, so they gain most when the market rises and lose most when it falls. No portfolio has reached its horizon yet, so these are running results.

Where the money goes

  • Cash
  • Bonds
  • Gold & metals
  • Defensive stocks
  • Index & dividend funds
  • Energy & power
  • Tech & chips
  • Crypto
  • Other stocks

By risk level

Low risk
Medium risk
High risk

By model

DeepSeek Flash
GPT-6 Luna
GPT-5.6 Luna
MiMo V2.6 Pro
Show as a table
PortfoliosCashBondsGold & metalsDefensive stocksIndex & dividend fundsEnergy & powerTech & chipsCryptoOther stocks
Low risk30%30%5%15%14%1%0%0%5%
Medium risk12%5%8%14%27%10%6%1%16%
High risk6%1%7%5%0%11%49%14%7%
DeepSeek Flash16%11%6%17%10%12%14%5%9%
GPT-6 Luna22%16%5%5%19%2%23%2%7%
GPT-5.6 Luna15%13%7%8%17%5%20%6%8%
MiMo V2.6 Pro12%6%10%16%9%10%17%6%14%

Average share of capital in each group, cash included. Hover a segment or open the table for exact figures.

What has helped, what has hurt

Tech & chips+2.5 pp18%
Energy & power+1.6 pp8%
Cash−1.3 pp16%
Crypto−1.4 pp5%
Other stocks−1.4 pp9%
Index & dividend funds−1.5 pp14%
Bonds−1.5 pp12%
Defensive stocks−2.4 pp12%
Gold & metals−2.8 pp7%

How far each group has moved against SPY while held, weighted by position size, across the 273 portfolios still running. Weight is the average share of capital in it. Tech & chips and Energy & power have been ahead of SPY on average. Gold & metals has lagged most. Cash shows what staying out of the market has cost against SPY over the same periods (−1.3 pp).

Each model’s favourites

DeepSeek Flash

116 different holdings · 15.8 per portfolio
HoldingIn portfoliosAvg weight
SHY Bonds53%7.9%
XLV Defensive stocks71%5.7%
XLE Energy & power68%4.5%
VTV Index & dividend funds46%4.4%
GLD Gold & metals77%3.9%
SCHD Index & dividend funds48%3.5%

GPT-6 Luna

47 different holdings · 5.4 per portfolio
HoldingIn portfoliosAvg weight
SHY Bonds58%14.5%
VTV Index & dividend funds57%10.3%
ADBE Tech & chips42%7.3%
ORCL Tech & chips28%5.1%
GLD Gold & metals63%4.8%
INTU Tech & chips25%4.3%

GPT-5.6 Luna

64 different holdings · 8.3 per portfolio
HoldingIn portfoliosAvg weight
SHY Bonds51%10.5%
VTV Index & dividend funds57%8.3%
XLV Defensive stocks57%5.3%
GLD Gold & metals77%5.2%
ADBE Tech & chips45%4.9%
XLE Energy & power45%4.4%

MiMo V2.6 Pro

101 different holdings · 13.7 per portfolio
HoldingIn portfoliosAvg weight
BRK-B Other stocks67%5.5%
GLD Gold & metals77%5.2%
BTC Crypto58%4.3%
XOM Energy & power63%4.3%
SHY Bonds35%4.2%
VTV Index & dividend funds35%3.3%

Ranked by average weight across the model’s portfolios. “In portfolios” is the share of its portfolios that hold it at all. The largest US tech companies are rare: of 273 portfolios, 0 hold Tesla, 1 holds Apple, 2 hold Amazon, 6 hold Meta, 8 hold Nvidia, 23 hold Microsoft and 30 hold Alphabet.

Week by week

ModelWeeksWeeks ahead of SPYInformation ratioDrawdown promises keptConfidence
DeepSeek Flash426%−4.5883 of 83Building
GPT-6 Luna322%after 4 weeks60 of 60Early
GPT-5.6 Luna419%−0.8982 of 82Building
MiMo V2.6 Pro323%after 4 weeks48 of 48Early

Weeks ahead of SPY: the share of portfolio-weeks that beat SPY. Drawdown promises kept: portfolios whose worst fall so far is within the maximum the model promised. Confidence is Early under 4 weeks of history, Building from 4, Reliable from 13.

Books

SealedBookModelsPortfoliosMaturedPrices through
6 Oct 2026a4393e54DeepSeek Flash, GPT-6 Luna, GPT-5.6 Luna, MiMo V2.6 Pro6006 Oct 2026
29 Sep 2026bae0a4ccGPT-5.6 Luna, GPT-6 Luna, MiMo V2.6 Pro, DeepSeek Flash5606 Oct 2026
28 Sep 20260d82647fDeepSeek Flash, GPT-5.6 Luna, GPT-6 Luna, MiMo V2.6 Pro5806 Oct 2026
27 Sep 20265f255cefDeepSeek Flash, GPT-6 Luna, GPT-5.6 Luna, MiMo V2.6 Pro5306 Oct 2026
21 Sep 20266044891cDeepSeek Flash, GPT-5.6 Luna2406 Oct 2026
20 Sep 20264f409492DeepSeek Flash, GPT-5.6 Luna2206 Oct 2026