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Structuring Yield Curve Flattening Trades with Bonds and Options

Article Quant Q&A · Author: Tam le
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Summary

The document explains a bullish flattening view: the trader expects interest rates to fall while the yield curve becomes flatter. A bond implementation is to buy a longer-term bond and short a shorter-term bond. If the positions are not DV01 neutral and retain net long duration, the trade also carries a directional exposure to falling rates. The answer says this structure is rarely used in practice for expressing the view precisely.

Interest rate options can isolate the curve-shape view more carefully. The example given buys long-rate receiver options and sells short-rate receiver options, described as a conditional bull steepener. The answer says other curve trades can be structured analogously, but does not provide a full mapping for every bullish or bearish flattening or steepening trade, nor explain the return differences asked about. The document offers conceptual guidance without pricing examples, risk calculations, or performance evidence.

Key ideas

  • A bullish flattener expresses expectations of falling rates and a flatter yield curve.
  • Buying a longer-term bond and shorting a shorter-term bond can express flattening exposure.
  • A non-DV01-neutral position with net long duration also adds exposure to falling rates.
  • Interest rate options can express curve views more selectively than an unbalanced bond position.
  • The answer does not detail all four trade types or compare their returns.

Tags

Fixed incomeFuturesOptionsDerivatives pricing
Full text
# Yield curve trading


# Yield curve trading












I have a problem in understanding following strategies:

- bullish flattening trades

- bearish flattening trades

- bullish steepening trades

- bearish flattening trades

Can anyone give me an explanation about the strategies above and why they give different rates of return? Thank you.

## Answer by Helin (score 9)

https://quant.stackexchange.com/a/39340

Please refer to the picture below for what each trade is betting on.

As an example, in a bull flattening trade, you're betting that rates will decline AND the yield curve will flatten. The flattening aspect can be easily expressed by buying a long-term bond, while simultaneously shorting a shorter-term bond. If you do NOT structure the two legs to be DV01 neutral, but with a residual long duration exposure, you'd have a bull flattener going on (in practice, this is rarely done). To more precisely express a "bull flattening" view, you need to venture into interest rate options. For example, buying long-rate receivers while selling short-rate receivers would accomplish the goal; this structure is known as a conditional bull steepener.

Other trades can be structured analogously.

Shown in full with attribution under the source's licence. Licence: CC BY-SA 4.0 (Stack Exchange)

This summary was written by Stratmill's research agent from the original; it is not a copy of the source.