A Bonk.fun buy on the LaunchLab curve
Bonk.fun coins sell 793.1 million tokens along a LaunchLab constant-product curve until 85 SOL has been raised. The tool builds each wallet's buy directly from LaunchLab's account layouts: create the token account if needed, wrap the budget into a temporary wSOL account, call buy_exact_in with a minimum-tokens floor, then close the wSOL account so no wrapped SOL is left behind.
Because each buy raises the price, the review plays the run forward on a copy of the pool's reserves and the panel re-reads the pool before each wallet sends. In same-block mode, each wallet in a Jito bundle is quoted on the reserves the wallets before it leave.
Bonk.fun's fee and the SOL-only rule
On the curve Bonk.fun charges 1.5% per trade as of November 2026: Raydium's 0.25% protocol share plus 1.25% for the Bonk.fun platform, with no creator share on its default config. The tool reads these rates from the coin's platform account rather than assuming them.
Bonk.fun can also launch curves quoted in USD1 or BONK. Those aren't supported here: the tool only trades SOL-quoted curves and their SOL pools, and says so when you paste one of the others.
| Share | Rate |
|---|---|
| Raydium protocol | 0.25% |
| Bonk.fun platform | 1.25% |
| Creator | 0% |
| Total per trade | 1.5% |
When the 85 SOL is reached
Once the curve fills, LaunchLab stops trading it and Raydium moves the raised SOL and the remaining tokens into a CPMM pool (older coins went to AMM v4). Later buys go through Jupiter restricted to that Raydium program. If migration happens during your run, waiting wallets switch to the pool on their own.
Worked example
A coin already holding 30 SOL on its curve gives about 893,000 tokens for 0.1 SOL before price impact. Say 40 wallets each spend 0.5 SOL: 20 SOL goes in, Bonk.fun's 1.5% is inside that, and SOLTidy's 0.5% comes to exactly 0.1 SOL, the per-run ceiling. A 41st wallet in the same run would pay no SOLTidy fee. The 40 first-time token accounts cost about 0.06 SOL of rent.
Questions & answers
What fees does a Bonk.fun mass buy pay?
Bonk.fun's 1.5% curve fee inside each buy, SOLTidy's 0.5% of SOL spent (0.1 SOL at most per run), network fees and first-time token account rent.
Does it work for other LaunchLab launchpads?
Yes, any SOL-quoted LaunchLab coin loads here and is quoted with its own platform's fee. Raydium's own platform has a separate LaunchLab page.
Can I buy a coin priced in USD1?
No. Only SOL-quoted curves are supported; the tool tells you when a coin uses USD1 or BONK.
Why are later buys more expensive?
Each buy moves the curve up. The review's price impact covers the whole run in order.
How many wallets fit in one Jito bundle?
On the curve up to about 15 (three per transaction, five transactions). After migration, about five.
