Twitter, Inc. Announces $1.3B Convertible Notes Offering
investor.twitterinc.com
investor.twitterinc.com
This isn't necessarily driven by a view on the equity valuation. It's more often driven by high realized volatility in the equity, which increases the value of the equity optionality. Correspondingly this decreases the value of the fixed income aspect of the bond, which from the issuer's (Twitter) perspective means they pay less in interest.
Note that "Twitter expects to enter into privately negotiated convertible note hedge transactions". This means that they will buy call spreads to help manage the EPS impact of increasing the fully-diluted share count. Realized volatility and the pricing across strikes of the option chain will be affected.
this is a great deal for twitter, as long as their stock price does not go up. in other words, twitter is calling the top of the market for its own shares -- to the tune of 1.3B.
bezos did this to great effect with amazon in the late 90s. he did in fact correctly predict a prolonged stagnation in share price.