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Standardized yield token (SY)

A Pendle-compatible wrapper for a yield-bearing asset that can be split into principal and yield tokens.

What is Standardized yield token?

A Pendle-compatible wrapper for a yield-bearing asset that can be split into principal and yield tokens.

Why it matters on your return

Wrapping into SY, then splitting into PT and YT, is two steps that can each be an exchange under the common position. The wrap of a one-for-one yield-bearing token is commonly treated as a transfer; the split into two different tokens is commonly treated as a disposal of the SY for the PT and YT received.

Example

You wrap 10 stETH into SY-stETH and split it into 10 PT and 10 YT. The wrap is treated as a transfer; the split is a disposal of the SY at fair market value, with basis allocated between the PT and YT by relative value.

Is splitting a yield-bearing token into PT and YT taxable?

Under the common position, yes, as an exchange of one asset for two different ones. Basis is allocated between them by value at the split.

Source: No IRS guidance as of September 2026; IRS Notice 2014-21 (property treatment)

Last reviewed September 18, 2026. Tax rules change; confirm current law before acting.

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