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Questions tagged [negative]

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2
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1answer
549 views

Which models do Bloomberg/Reuters use to derive implied volatility for interest rate derivatives with negative forward rates?

can anybody tell me which models Bloomberg and Reuters ares using to derive implied volatility for interest derivatives with negative forward rates? I know that Black-76 is the standard model, and ...
0
votes
1answer
133 views

Discussion about negative interest rate

Now I'm updating typical equity premium of CAPM and Fama French 3 factors. As you know, some of interest rates are already in negative. To calculate market factors, not so hard to apply them as risk ...
6
votes
1answer
433 views

What if: Negative interest on an overdrawn bank account?

Theoretical question: Consider if a bank account had a -12% yearly interest rate, and an account was currently overdrawn to a balance of -$100. What would the bank do to the -$100 balance after one ...
1
vote
2answers
453 views

how negative rates (mr and rf) affect CAPM

I don't understand how the negative rates factor into this and what it means in the market ...
6
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4answers
2k views

How to avoid having negative volatility when applying Heston model?

When applying the Heston model to generate the sample volatility surface, some of the volatility value will be negative. I am just wondering what do practioners normally do with these negative value. ...
3
votes
1answer
153 views

Why for one year (and not two or three) government bonds (there is a spike for Switzerland & Denmark)?

On 10.10.2012, I have looked at the bond-rates and, both for Switzerland and Denmark, there is a discontinuity/spike at 1Y, as per below Switzerland: ON= -0.09, 1W= -0.180, 1M= -0.230, 3M= -0.2, 6M= -...
1
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0answers
98 views

Neglect the positive values in negative interest rates modelling?

The magnitude of the negative interested rate should vary correlated with the increase in fixed assets prices and with cross-currency basis spreads. Could their volatility / correlation coefficients,...
1
vote
1answer
96 views

Separated software and physical cash flows modelling and pricing to be used with negative interest rates?

The physical cash presence in the final transactions is one of the issues in the presently observed negative interest rates bonds. Such a situation has historically been modelled within the "liquidity ...
1
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0answers
61 views

Should portfolio be optimized by marking to the future than marking to market (excluding currencies)?

Observing the negative interest bonds in Switzerland, Denmark, GErmany the value of higher presently (credit-free) outgoing cash flows seems less important than the value of lower future (credit-free) ...
2
votes
1answer
377 views

Is inverted Japanese style curve persistent when negative rates are real / market - observed?

Are the inverted (Japanese style) governmental yield curves being a sign a recession/credit risk or should they be modelled as being due to a lack of liquidity? (...with such curves evolving into a ...