In this guide
Macro-level cryptocurrency prediction markets—those tracking aggregate market capitalisation and cross-sector capital flows—draw serious attention from traders focused on portfolio-wide positioning rather than individual token bets. These venues offer a way to gain exposure to sweeping crypto movements whilst sidestepping the volatility tied to single assets.
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 slips beneath 45%, it has traditionally marked the onset of altcoin season — a dynamic that prediction markets continuously reprice as conditions shift.
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 have historically cycled through distinct phases:
- BTC leads (dominance climbs, capital shifts away from alternative assets toward Bitcoin)
- ETH follows BTC (Ethereum gains ground as Bitcoin enters a consolidation phase)
- Altcoin season (capital migrates from BTC/ETH into smaller-cap projects)
Traders can use outcome markets on Bitcoin dominance and altcoin season metrics as forward-looking signals of these rotational cycles — capturing opportunities before the broader market fully reprices the shift.
FAQ
- How is "altcoin season" defined for prediction market purposes?
- The CoinMarketCap Altcoin Season Index serves as the standard reference — readings above 75 suggest alternative coins have outperformed Bitcoin over the preceding 90-day window.
- What data is used for total market cap resolution?
- CoinGecko or CoinMarketCap total market cap figures (excluding stablecoins and certain tokens) as recorded on the resolution date at midnight UTC.
- Are there layer-1 vs layer-2 sector markets?
- PolyGram introduces specific sector rotation markets when major events or milestones spark sufficient trading volume — L1 competitive dynamics, DeFi total value locked thresholds, NFT trading volume benchmarks.