How it works

Two ways to ask “what if”. Here’s an example with ETH and BTC.

Market cap

What if ETH had BTC's market cap?

We give ETH the same market cap as BTC, then divide by the supply used for ETH. NOW uses the current market cap of BTC; ATH uses its historical high.

Peak ratio

What if ETH hit its peak BTC ratio?

We find the highest recorded ETH/BTC price ratio in our available daily history, then apply it to the price of BTC today. This shows what one ETH would cost if it regained that relative strength.

Use the question below your result to flip between the two modes.

What if A had B's market cap?

Select A
Select B

JST vs DOT market cap comparison

As of Sep 15, 2026, if JUST (JST) had Polkadot's (DOT) market cap of $1.62B, one JST would be worth $0.1977, 1.73x its current price of $0.1141.

At Polkadot's all-time-high market cap of $93.63B (Nov 4, 2021), JST would be worth $11.43 (100.22x).

Polkadot is 1.73x the size of JUST by market cap. The rank gap between them is 24 places.

MetricJUST (JST)Polkadot (DOT)
Price (USD)$0.1141$0.9502
Market cap (USD)$934.25M$1.62B
Market cap rank#76#52
Circulating supply8.19B JST1.7B DOT
24h change+1.32%-6.98%

Price of JUST at Polkadot's market cap: ($1.62B ÷ $934.25M) × $0.1141 = $0.1977.

Questions

What would JST be worth with Polkadot's market cap?
JUST (JST) would be worth $0.1977 per coin with Polkadot's market cap of $1.62B. That is 1.73x its price of $0.1141 on Sep 15, 2026.
How many times would JST need to grow to reach Polkadot's market cap?
JUST would need to grow 1.73x. Its market cap is $934.25M and Polkadot's market cap is $1.62B.
How is the JST price at DOT's market cap calculated?
Price of JUST at Polkadot's market cap: ($1.62B ÷ $934.25M) × $0.1141 = $0.1977.

Data: CoinGecko, refreshed daily. Last update Sep 15, 2026.