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Estimates computed using the CS method are a bit closer to the mid price of the observed bid-ask quotes.
To see the closeness of the curve with the mid price, we present the price residuals in Figure 3.
IV mid, IV bid and IV ask are computed from the corresponding mid price, bid price and ask price by inverting equation (28).
Since the call price can fluctuate around the median of the bid and ask price [28], we minimize the estimation error from the mid price of the bid-ask quotes as suggested by Glaser and Heider [29].
Figure 1 depicts the estimated arbitrage-free call price function for both of the maturities, which shows that our proposed estimator and CS method match well with the mid price of the observed bid-ask quotes.
Again, we notice that the estimates from the CS method are a bit closer to the implied volatility corresponding to the mid price of the observed bid-ask quotes.
Similar(51)
It's not exactly the most heavily anticipated or most feature-packed handset, so expect it somewhere in the low/low-mid price range.
We're building mid-price-point lodging facilities".
Grand offer - £35 Mid-price ticket (usually £48.50) in the Grand Circle.
The low- to mid-price category, meanwhile, is also undergoing startling change.
As a further inducement, the new EMI releases are being sold at mid-price.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com