In this guide
Macro-level cryptocurrency prediction markets—particularly those tracking aggregate market capitalisation and asset class rotation—draw significant trading volume from investors focused on portfolio-wide exposure rather than individual token performance. These instruments enable participants to gain broad sectoral positioning without committing capital to discrete cryptocurrencies.
Total Crypto Market Cap Markets
PolyGram pricing snapshot (May 2026):
- 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 dominance declines beneath the 45% threshold, this conventionally marks the onset of altcoin season — contract markets continuously reflect this contingency.
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
Digital asset markets tend to cycle through distinct 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 employ prediction markets on BTC dominance and altcoin season indicators as advance signals of these rotation phases — capturing opportunities before price discovery fully incorporates the shift.
FAQ
- How is "altcoin season" defined for prediction market purposes?
- The majority of contracts reference the CoinMarketCap Altcoin Season Index — readings above 75 suggest altcoins have delivered superior returns relative to Bitcoin across the preceding 90-day window.
- What data is used for total market cap resolution?
- CoinGecko or CoinMarketCap total market cap (excluding stablecoins and certain tokens) on the specified date at midnight UTC.
- Are there layer-1 vs layer-2 sector markets?
- PolyGram lists specific sector rotation markets when high-volume events drive interest — L1 competition, DeFi TVL milestones, NFT market volume targets.