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When Inflation Swaps May Be More Liquid Than Inflation-Linked Bonds

Article Quant Q&A · Author: andy
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Summary

The note compares inflation swaps with inflation-linked government bonds as instruments for gauging market inflation expectations. Its answer suggests that in Japan, where inflation-linked securities have historically been scarce or thinly traded, over-the-counter inflation swaps may be more active than bond-based alternatives.

The explanation is a market-specific observation rather than a systematic comparison. It offers no liquidity data, pricing analysis, or evidence about the size and direction of differences between swap-implied and bond-implied inflation. It therefore does not identify general biases in either measure or establish that swaps are the primary instrument across markets. The claim is also dated and expressed polemically, so readers should treat it as a limited example rather than a current market assessment.

Key ideas

  • Inflation swaps can be more actively traded than inflation-linked bonds in markets where those bonds are scarce.
  • The answer names Japan as an example, but does not provide supporting liquidity data.
  • The note does not explain specific pricing biases between swap and bond inflation rates.
  • Market liquidity comparisons may vary by country and over time.

Tags

Fixed incomeDerivatives pricingMarket microstructure
Full text
# Inflation swap liquidity versus inflation-linked bonds


# Inflation swap liquidity versus inflation-linked bonds












In which markets are inflation swaps considered liquid enough to be the primary instrument for measuring market inflation expectations (compared to say, inflation-linked bonds)?

Are there specific biases that will cause implied inflation rates from the bonds to diverge significantly from the swap rates?

many thanks!

## Answer by Matt Wolf (score 1, accepted)

https://quant.stackexchange.com/a/4928

Ironically I would say that in any market in which inflation does not matter but fat investment banks roam and harvest. Japan for example, who cares about inflation in this country...(until recently, thank you PM Abe). Thus, in markets such as Japan you hardly see a single TIPS like security crossing the counter, while your snake oil salesmen lurk around to push OTC inflation swaps and all sorts of other off-market instruments to unassuming clients. That is when such instruments are more liquid than liquid government bond-linked/ stripped inflation securities.

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.