quantmod: addExpiry – R documentation

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addExpiry

Add Contract Expiration Bars to Chart

Apply options or futures expiration vertical bars to current chart.

addExpiry(type = "options", lty = "dotted")

`type`	options or futures expiration
`lty`	type of lines to draw

See options.expiry and futures.expiry in quantmod for details and limitations.

Expiration lines will be drawn at appropriate dates. A chibTA object will be returned silently.

Jeffrey A. Ryan

## Not run: 
addExpiry()

## End(Not run)

Quantitative Financial Modelling Framework

v0.4.18

GPL-3

Authors

Jeffrey A. Ryan [aut, cph], Joshua M. Ulrich [cre, aut], Wouter Thielen [ctb], Paul Teetor [ctb], Steve Bronder [ctb]

Initial release