Exponent

Exponent, often called Exponent Finance, is a yield exchange on Solana. It is not Exponent Financial, the US franchise lender, or Exponent Inc., the engineering firm. On Exponent you can lock in a fixed rate on a token that earns yield, or take a leveraged bet on where that yield goes. You can also pick a safer or riskier slice of a real-world yield. It does this by splitting tokens such as JitoSOL, stablecoin savings tokens and tokenized loans into parts you can trade. It has been live since 2024 and says it has had no security incidents. A major upgrade went live in late May 2026. It added an order book for rates, vaults run by outside managers, and risk tranching. It fills the role on Solana that Pendle plays on Ethereum.

How Exponent Finance works: PT and YT yield trading

Exponent's core is yield stripping. You deposit a token that earns yield, and the protocol splits it into two tokens. Each runs to a set end date, called maturity.

• Principal Tokens (PT) trade below face value and redeem one-for-one for the underlying token at maturity. Buying PT locks in a fixed return, much like a zero-coupon bond.
• Yield Tokens (YT) collect all the yield the deposit earns until maturity. They are a leveraged bet on the floating rate. If the real yield beats the rate priced in when you bought, you profit. If it falls short, you lose. A YT is worth nothing once it matures.

One PT and one YT can always be merged back into the original token. That keeps both prices tied to one number, the implied APY: the rate the market expects (docs).

How to get a fixed yield on Solana with Exponent

The simplest use is a fixed rate. You swap a token such as JitoSOL for its PT and hold it to maturity. At that point it redeems in full. The gap between what you paid and what you get back is your fixed return, and you know it on the day you buy. If you sell early, you get the market price on the day, which may be more or less than the rate you locked in.

Markets in October 2026 included, per Exponent's X account:

• Raiku's rkuSOL, with a new maturity running to January 14, 2027
• USD.AI's sUSDai, a dollar token backed by loans against GPUs
• the DAWN USD.infra and sUSD.infra tokens

Exponent rate order book and Rate CLMM liquidity

The v2 upgrade brought two new ways to trade rates. Both run as open-source programs on Solana.

The rate order book takes limit orders priced as a rate, not a token price. Orders sit on-chain until they fill, are cancelled or expire, and they can fill in part. PT and YT orders share one pool of liquidity rather than splitting it in two (docs).

The Rate CLMM is a pool where LPs pick a band of rates to cover, such as 15% to 17%, instead of a price range. An LP earns from four sources:

• swap fees on PT and YT trades inside its range
• PT rising in value toward maturity
• the yield of the underlying token
• farm rewards

The design spends less capital for the same depth. Exponent tested it on the ONyc market with an August 19, 2026 snapshot (Exponent blog):

• a $1 million PT buy moved the rate 2.48 points on the CLMM
• the same trade moved it 3.13 points on the old v1 pool, which held more money

Exponent risk tranching: senior and junior yield

Risk tranching splits one token by risk rather than by time. The senior side gets its principal protected and earns less. The junior side takes losses first and earns more. If the underlying token loses value, junior money covers the loss before senior is touched. That cover only goes as far as the junior money in the market at the time. Yields move with demand. When junior cover is plentiful it earns less, and when cover is tight it earns more (docs).

The first market opened on June 24, 2026 on OnRe ONyc$1.16+0.4%'s ONyc, a token that pays reinsurance yield (Exponent blog; our coverage). Markets so far:

• ONyc: the senior token srONyc offered at least 20% principal protection, under a $2.5 million starting cap. srONyc also has its own PT and YT markets on Exponent (our coverage).
• AUTO: on October 6, 2026, Exponent cut the minimum junior cover from 15% to 12.5%.
• nOPAL: a Plume token backed by Brazilian credit-card debts. It opened on October 2, 2026, and its cap rose to $3 million on October 16.

Tranche tokens work in other apps too. Loopscale accepts srnOPAL as collateral, so you can loop it for more senior exposure.

Exponent strategy vaults

Strategy vaults let you make one deposit and leave the trading to an outside manager, called a curator. A vault spreads your token across Exponent's markets. Its developer docs list links to Kamino Finance KMNO$0.037+12.2%, Jupiter JUP$0.260+4.4% Lend, Orca ORCA$1.46+0.4% Whirlpools, Loopscale and Titan as well. On-chain rules limit what a curator can do. Any change that adds risk goes to a vote, then waits out a delay of around a week. That gives you time to leave before it takes effect. Curators set their own fees, and Exponent takes no cut of its own (Exponent blog; docs).

Three vaults launched with v2 (Exponent blog):

• Solstice Fixed Yield Looping, curated by Allez Labs
• OnRe Growth, curated by Loopscale Asset Curation
• Raiku SOL DeFi, curated by RockawayX

With some vaults you can withdraw at once. With others you wait while the manager closes out positions.

Exponent fees

The docs give no fixed fee rates. Trading fees depend on where the trade runs, and they can drop as a market nears its end date. Adding liquidity has no extra protocol fee. Each vault manager sets that vault's fees. You may also pay fees to the apps a position sits on top of (docs). Check the app for the cost of a given trade.

Who should use Exponent?

Exponent is built for people who know what they want from a yield. It suits these groups:

• Fixed-income holders of a liquid staking token, a stablecoin savings token or a real-world asset token who want a known return by a set date. PT suits you if you can hold to maturity, since selling early means taking the market price.
• Rate traders with a view on where a yield is heading. YT gives you leverage on that view, but it loses value as maturity nears and ends at zero.
• Careful buyers of real-world yield, who can take a senior tranche for capped protection. Market caps are the limit, and so far they run to a few million dollars per market.
• Vault curators and app builders, who can plug in through the TypeScript SDKs and REST API.

It is a poor fit if you want a simple deposit you can pull at any time. Maturities, implied rates and cover levels all take some learning.

Is Exponent Finance safe? Audits, upgrade authority and risks

Exponent has more audits than most Solana apps. Its audits page lists two dozen finished reviews, all published on GitHub, with one more still pending:

Separate reviews cover the links to Kamino, Marginfi LST$127.67+3.2%, Jito JTO$0.363+3.1% restaking, Perena and other tokens. The bug bounty pays up to $300,000 for a critical bug, per the docs, though the homepage still shows $250,000.

The code can still change. All five main programs can be upgraded. Solscan shows a multisig holding the upgrade key for the core program, and another multisig for the tranching and vault programs. The docs say Exponent uses Squads for admin tasks, but they do not name the signers or how many must approve. So a small group of keys, not a DAO, can change the code.

The other main risks:

• YT expiry. A Yield Token is worth nothing at maturity.
• Thin markets. It can be costly to leave a position early. Principal and yield still pay out at maturity.
• The underlying token. Each market carries the risk of its token and issuer, whether a reinsurer, a loan book or a staking token. The docs say Exponent is not liable for losses from other apps' exploits.
• Tranche exits. Junior withdrawals can be blocked if they would leave senior short of cover. Senior exits can pause while a loss is being worked out.

The v2 contracts have also had less time in use than v1, a point Crypto Briefing raised at launch.

Exponent vs Pendle and RateX

Pendle made the PT and YT model popular on Ethereum and other EVM chains. Exponent is the Solana version, and some tokens list on both. xStocks says its STRCx token, a tokenized form of Strategy's preferred stock, has yield markets on Pendle and Exponent. Choose by chain. If your tokens and wallet are on Solana, Exponent saves you a bridge.

On Solana, the closest rival is RateX. It also sells fixed yield, but leans toward leveraged YT trading on margin, per its own explainer. Exponent stands out for its order book, risk tranching and managed vaults. RateX suits traders who want leverage on a view. Exponent suits holders who want a fixed rate or a safer slice. A third choice is a fixed-rate loan on Kamino, which locks in what you pay to borrow rather than what you earn.

Does Exponent have a token or airdrop?

Exponent has not launched a token as of October 2026, and its site and docs do not announce one.

It runs reward campaigns instead. One paid out more than $200,000 over the month after v2 went live. Partners also add their own rewards to some markets, such as USD.AI points on sUSDai. The developer API can show a user's points. Treat any claim of a set token or airdrop as unproven unless Exponent's own channels confirm it.

Exponent Finance team, funding and history

The Block reported a team of 12 in April 2026, led by co-founder and CEO Thomas Lefort. Exponent has raised $7.1 million over two rounds:

• November 2024: a $2.1 million seed round led by RockawayX, with Solana Ventures and Cherry Ventures.
• April 30, 2026: a $5 million seed extension led by Multicoin Capital, with Solana Ventures, RockawayX, L1D, Prelude and Theia Blockchain. Angels included Anatoly Yakovenko and Nick Ducoff.

Key dates:

• 2024: mainnet launch.
• December 2024: v2 previewed at Breakpoint (talk summary).
• March 2026: new brand.
• Late May 2026: v2 live, with a move-over path from v1 and swap routing through Titan.
• June 2026: risk tranching.

Its website reports growth in round figures. As of October 2026 it claims:

• over $1.8 billion in traded yield
• more than $250 million in yield paid out
• over 35,000 users

Live TVL and volume appear in the widgets on this page. For one example of how Exponent fits with its partners, see ONyc. It trades here next to Kamino's ONyc market and OnRe's Liquidity Engine, which Titan routes.