BasicsBeginner5 min read

Understanding L/S Tokens: The Building Blocks of Synthetic Assets

How paired Long and Short tokens create synthetic exposure

Every deposit produces two tokens whose NAVs multiply to a constant, which is why a matched pair always redeems at NAV. Understanding that one property explains minting, redemption, and why the peg holds.

Step by step

They come in pairs

Mint at Continuum and you receive both a Long token and a Short token, worth your deposit at the moment you mint. After that the pair drifts upward as the underlying moves in either direction, because the product of the two NAVs is what stays fixed, not the sum. Put in 100 cUSDC and a 10% move in either direction leaves the pair worth about 100.5.

Created together and redeemed together. You cannot redeem one leg without the other.

Value moves between them

When the underlying moves, most of the value shifts from one leg to the other, but not all of it. Gold up 10% and a 100 cUSDC pair gains 5.00 on the Long while giving up 4.55 on the Short, so the pair is worth slightly more than before. A move the other way does the same thing.

Reciprocal by construction: when L doubles, S halves. The two do not cancel to a constant, which is why the short leg carries a volatility charge.

Pick a direction by selling a leg

Sell the S token and you're long. Sell the L token and you're short. Whatever you keep is your position.

You can also skip minting entirely and buy the leg you want.

Redemption needs both legs

To redeem you burn equal amounts of L and S and receive stablecoins at oracle value. That path is what pins the pair to NAV.

Holding only one side means buying the other before you can redeem.

They leave the app

L/S tokens are standard SPL tokens. Post them as collateral, trade them anywhere, wire them into a strategy. They behave like any other token in your wallet, because that's what they are.

Check what a given protocol actually accepts before planning around it. Listing as collateral is a per-market decision, not automatic.

What can go wrong

Holding one leg is a directional bet, with everything that implies.
The Short leg carries a volatility decay that marks its NAV down as realized volatility accrues. The Long leg carries nothing.
External venues can price L or S away from NAV, sometimes for a while.
Smart contract risk, same as anywhere else in DeFi.