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Tranching markets let participants choose the level of risk they want to take when allocating to onchain yield assets, whether they want access to yield in a protected form or are willing to take on more risk for higher expected returns. This enables onchain yield products to support different capital profiles, rather than forcing every holder into the same exposure.

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How It Works

Each Exponent tranching market is derived from an underlying yield asset (e.g. ONyc) and split into two tranche assets:
  • Senior Exposure (e.g. srONyc) – a more protected side of the market, designed for users who want a lower return profile in exchange for principal protection
  • Junior Exposure (e.g. jrONyc) – the first-loss side of the market, designed for users willing to take more risk for higher expected returns
In simple terms, Junior provides the protection layer for Senior. That means Senior gives up part of the underlying yield in exchange for protection, while Junior earns that risk premium in exchange for absorbing losses first. If the underlying suffers losses, Junior absorbs them first before any loss is transferred to Senior.

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Key Concepts

Underlying Asset: Each tranching market is built around one underlying yield asset. Both tranches ultimately depend on the performance of that underlying asset. Senior Tranche: The Senior tranche is designed for users who want access to the underlying yield in a more protected form. It earns a lower, more stable return profile than Junior because Junior capital sits beneath it as protection. Junior Tranche: The Junior tranche is designed for users willing to take first-loss risk. It earns a higher expected return because it provides the protection layer that makes the Senior tranche possible. Coverage: Coverage refers to how much Junior capital is available to protect Senior. Higher coverage means Senior is more strongly protected. Lower coverage means the market is tighter and Junior protection is becoming more valuable. Risk Premium: Senior pays a yield premium to Junior in exchange for being protected first. The amount of premium paid depends on the market’s current coverage conditions.

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Market-driven Risk Split

Exponent tranching markets work on a utilization-driven model, where APY pricing is based on supply and demand between the Junior and Senior tranches. Senior pays a yield premium to Junior in exchange for lower yield and protection against first losses in the underlying, with that protection provided by Junior capital. The program tracks how utilized Junior capital is relative to the minimum protection the market must maintain at all times. A target protection level close to that minimum is then set for a fully utilized market, while lower utilization leaves more room for deposits and withdrawals. Tranche APYs move along a yield curve defined at market creation, working similarly to a lending utilization curve, where pricing becomes more sensitive as the market becomes more heavily used on either the Senior or Junior side. In practice:
  • When Junior capital is abundant or Senior demand is scarce, Junior earns a smaller premium
  • When Junior protection becomes tighter or Senior capital is abundant, Junior earns a higher premium
This helps keep the market balanced between both sides.

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Understanding Senior and Junior

The Senior tranche is better suited for users who want a more protected way to access the underlying asset’s yield.
  • Lower expected return than the underlying and Junior
  • Protected first by Junior capital
  • Better suited for users with a more conservative risk profile
  • Can still take loss if Junior minimum protection/coverage is fully exhausted

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Losses, Recovery, and Settlement

Tranching markets do not simply split yield. They also define how losses are transferred when the underlying asset moves down. If the underlying suffers a negative loss event:
  1. Junior absorbs losses first
  2. Senior remains protected until Junior protection is exhausted
  3. If the loss is small enough and may recover, the market can enter a Recovery Period
  4. If the loss is more severe, the market can skip the Recovery Period and move directly into settlement

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Recovery Period

The Recovery Period is designed to protect Junior holders after a negative underlying NAV event by giving the market time to determine whether the loss is temporary or should be recognized as permanent. During this period, the Senior tranche stops receiving yield, and Senior withdrawals are paused until Junior recovers or the period ends. Junior holders can withdraw during the recovery phase if they wish to. This period allows the market to avoid settling short-term losses too quickly and helps junior holders recoup temporary losses, while still protecting Senior from taking first losses.

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Settlement Threshold

If the market moves beyond its configured settlement threshold, the Recovery Period is skipped and the market moves directly into settlement. This is intended for more severe losses, rather than short-term losses that may recover.

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Understanding Risks and Returns

Tranching markets create two different return profiles around the same asset, but neither side is risk-free.
  • Senior holders are protected first, but can still face loss if Junior is exhausted
  • Junior holders earn a higher premium, but absorb losses first
  • Both tranches ultimately depend on the underlying asset’s NAV
  • Both tranches can face liquidity constraints depending on the market state
  • Senior withdrawals are paused during the Recovery Period
  • Junior withdrawals can be restricted if exiting would leave the market with a protection below the market’s minimum coverage
Tranching changes how risk is distributed, not whether risk exists. Senior is more protected than Junior, but both depend on the underlying asset and the market’s protection structure.

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FAQ and Common Issues

srONyc is the Senior tranche, designed for users who want ONyc exposure in a more protected form. jrONyc is the Junior tranche, designed for users willing to take first-loss risk in exchange for higher expected returns.Senior earns a lower, more stable share of yield while benefiting from Junior capital sitting beneath it as protection. Junior earns a higher premium because it absorbs losses first.
The coverage ratio shows how much Junior capital is available to protect Senior.A higher coverage ratio means Senior is more strongly protected. A lower coverage ratio means more of Junior capital is already being used to back Senior, so the market becomes tighter and Junior earns a higher premium.
Losses are transferred through the market in order. Junior absorbs losses first, and Senior is only affected once Junior protection is exhausted.If the loss is small enough and may recover, the market can enter an Recovery Period before settling it permanently. If the loss is more severe, the market can skip the Recovery Period and move directly into settlement.
The risk premium is determined by the market’s utilization curve.As more of Junior capital is used to provide protection, Junior becomes more valuable to the market and earns a higher premium. When Junior protection is more abundant, the premium paid to Junior is lower.
Yes. The coverage ratio changes as users deposit, withdraw, and as the underlying asset gains or loses value.That means the market’s protection level is not static. It moves over time based on both capital flows and underlying performance.
The Senior tranche earns a lower, more protected share of the market’s yield.Its APY depends on the market curve and the current balance between Senior and Junior capital. In normal conditions, it is designed to be lower-volatility than the raw underlying because Junior absorbs losses first. Its yield is still affected by the underlying asset’s performance.
The Junior tranche earns the residual yield of the market plus the risk premium paid by Senior.Its APY is higher because Junior provides the protection layer beneath Senior and absorbs losses first. As Junior protection becomes tighter, the premium paid to Junior increases.
The Junior tranche is the first-loss side of the market.If the underlying asset experiences a negative NAV event, Junior absorbs that loss first and can lose a meaningful part, or all, of its value before Senior is affected. In return, Junior earns a higher expected return profile than Senior.
Not always. Exit conditions depend on the market state and the tranche you hold.Junior withdrawals can be restricted if exiting would leave the market with too little protection. Senior is generally more liquid in normal conditions, but cannot exit during the Recovery Period. In practice, both tranches can face redemption constraints depending on market conditions.