Onchain research for the trenches.

Free tools built on the wallets we read every day, across Robinhood Chain, Solana, Ethereum, Base and BNB Chain.

sparsitydata.com/holderstrength
The holder strength index: the top coins in order, each with its score, its four areas and its priceThe holder strength index: the top coins in order, each with its score, its four areas and its price
[ RESEARCH ]

Every tool and piece we've released.
New ones join this list.

Every coin ranked each morning by how its holders behave: conviction, demand, market health and relative strength, combined into one score.

A coin opened: its four areas and its historysparsitydata.com/holderstrength
A coin opened in the index: its market, its score in each of the four areas, its index over time and its drawdowns since launchA coin opened in the index: its market, its score in each of the four areas, its index over time and its drawdowns since launch
Open the indexFREE · DAILY · 67 COINS

After a fall, three onchain signs read in order: sellers capitulate, the low holds, demand returns. The map shows how far each coin has come.

See bottom signsFREE · DAILY · 50 COINS ON THE MAP

How fearful or greedy the meme market is on Solana, Robinhood Chain, Ethereum, Base and BNB Chain, from 0 to 100, each chain with its own reading. Read onchain from launchpads, trading bots and holders.

See fear and greedFREE · DAILY · 5 CHAINS

Every coin in the index as a tile, grouped by sector and where it launched: its size is its market cap, its colour how far its price, or its holder strength, moved over the week.

Open the heat mapFREE · DAILY · 67 COINS

Who's buying and selling the coins in the index: all wallets together, and by how much they hold, from whales to fish. Dollars bought less dollars sold, by day and by week.

See net flowsFREE · DAILY · 4 HOLDER SIZES

One page per coin: its score and rank, its four areas and the metrics behind them, its bottom signs, its drawdowns, its peers and what the project is.

Open HMMFREE · 67 COINS

Pieces on the coins and ideas we track, with a source for every claim, each one free to read in full.

Read our researchFREE · 2 PIECES
RESEARCH, NOT FINANCIAL ADVICESPARSITY RESEARCH 2026