In this guide
Macro-level cryptocurrency prediction markets—tracking aggregate market capitalisation and cross-sector capital flows—attract traders focused on portfolio-wide positioning rather than individual token bets. These instruments let participants gain exposure to systemic crypto trends whilst avoiding concentration risk in any single asset.
Total Crypto Market Cap Markets
Prevailing PolyGram quote spreads (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 falls beneath 45%, it has traditionally marked the onset of altcoin season — these conditional probabilities are continuously repriced across active markets.
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 move through recognisable 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)
Conditional markets tied to BTC dominance thresholds and altcoin season metrics function as leading indicators—they often reprice ahead of the underlying price discovery completing the rotation cycle.
FAQ
- How is "altcoin season" defined for prediction market purposes?
- The CoinMarketCap Altcoin Season Index serves as the standard reference metric — a reading above 75 signals that alternative cryptocurrencies have outpaced Bitcoin's performance over the preceding 90-day window.
- What data is used for total market cap resolution?
- Market cap figures derive from CoinGecko or CoinMarketCap snapshots (net of stablecoins and excluded token categories) captured at the designated settlement timestamp in UTC.
- Are there layer-1 vs layer-2 sector markets?
- PolyGram regularly introduces niche sector markets when liquidity events or protocol milestones drive trader demand — including L1 competitive positioning, DeFi total value locked thresholds, and NFT trading volume targets.