quantmod (version 0.4.17)

addExpiry: Add Contract Expiration Bars to Chart

Description

Apply options or futures expiration vertical bars to current chart.

Usage

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

Arguments

type

options or futures expiration

lty

type of lines to draw

Value

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

Details

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

See Also

addTA

Examples

# NOT RUN {
addExpiry()
# }

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