Altcoin Season Index

65/100
NEUTRAL28 October 2026 · 48 altcoins · BTC 90d: +25.6%

As of 28 October 2026 the index is 65/100: 31 of the top 48 altcoins beat Bitcoin over the last 90 days. That is neutral — not alt season (75+).

Over the last year the index never reached alt-season territory (75+). Bitcoin-season territory: 98 days; most recently 1 September 2026.

Green band: altcoin season (75+) · orange band: Bitcoin season (≤25) · last 12 months, daily

Top 10 vs Bitcoin (90 days)

Coin90 dvs BTC
QNT+232.5%+206.9%
NEAR+182.3%+156.7%
ZEC+178.8%+153.3%
ENA+158.3%+132.7%
PUMP+128.5%+102.9%
ARB+122.5%+96.9%
ZRO+122.2%+96.6%
NIGHT+114.7%+89.1%
PEPE+82.2%+56.7%
DASH+77.4%+51.8%

Bottom 5 vs Bitcoin

Coin90 dvs BTC
GRAM−13.1%−38.7%
WLFI−5.1%−30.7%
XLM+0.3%−25.3%
TRX+0.3%−25.2%
ONDO+1.4%−24.2%

Reading alt season together

The index alone isn't enough. BTC dominance falling while TOTAL3 rises means money flowing into alts; BTC dominance falling while USDT dominance rises means money leaving crypto, not alt season.

Frequently asked questions

Is it altcoin season?

As of 28 October 2026 the index is 65/100: 31 of the top 48 altcoins beat Bitcoin over the last 90 days. That is neutral — not alt season (75+).

What is the altcoin season index?

The share of the top 50 altcoins (excluding stablecoins and wrapped tokens) that beat Bitcoin over the last 90 days. 75+ is altcoin season, 25 or lower is Bitcoin season.

When does altcoin season start?

Nobody can give a date. Signs to watch: the index above 75, BTC dominance falling while TOTAL3 rises, and USDT dominance falling.

Method: the top 50 altcoins by CoinGecko market cap (excluding stablecoins, wrapped and staked derivatives; those with a Binance USDT pair), 90-day return from Binance daily closes vs Bitcoin's over the same period. Past values use today's list. Updated every 6 hours. Informational.