In this guide
Macro-level prediction markets tracking aggregate cryptocurrency valuations and asset class rotation dynamics represent some of the most liquid trading venues in the space. These instruments attract investors focused on portfolio-wide positioning, allowing them to gain exposure to overarching crypto momentum without committing capital to individual tokens.
Total Crypto Market Cap Markets
As of May 2026, PolyGram's quoted odds are:
- Total crypto market cap over $4T in 2026: ~62-68%
- Total crypto market cap over $5T in 2026: ~38-44%
- Total crypto market cap new all-time high in 2026: ~55-62%
Bitcoin Dominance Markets
- BTC dominance over 60% at year-end: ~30-35%
- BTC dominance under 40% at year-end: ~25-30%
When Bitcoin's share of total market capitalisation falls beneath 45%, it typically marks the beginning of an altcoin rally — these probabilities are continuously updated across active trading venues.
Altcoin Season Prediction Markets
- Altcoin Season Index over 75 by Q4 2026: ~42-48%
- Ethereum outperforms Bitcoin in 2026: ~40-46%
- Solana market cap surpasses Ethereum in 2026: ~12-16%
Sector Rotation Trading Strategy
Cryptocurrency markets typically advance through cyclical phases:
- BTC leads (dominance rises, capital flows from alts to BTC)
- ETH follows BTC (Ethereum catches up as BTC consolidates)
- Altcoin season (capital flows from BTC/ETH to smaller caps)
Traders can use markets tracking Bitcoin dominance and altcoin season metrics as forward-looking signals of these rotation cycles — capturing opportunities before price movements fully reflect the shift in capital allocation.
FAQ
- How is "altcoin season" defined for prediction market purposes?
- The CoinMarketCap Altcoin Season Index serves as the standard reference — readings above 75 suggest altcoins have outperformed Bitcoin over the preceding 90-day window.
- What data is used for total market cap resolution?
- CoinGecko or CoinMarketCap's total market cap figure (excluding stablecoins and certain tokens) on the settlement date at midnight UTC.
- Are there layer-1 vs layer-2 sector markets?
- PolyGram introduces targeted sector rotation markets when significant events generate sufficient trading demand — L1 competitive dynamics, DeFi total value locked thresholds, NFT volume benchmarks.