Fx interventions + currency options.Sumantra.Pal

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How to intervene in foreign exchange market withoutbuying/selling dollars?

Sumantra Pal

National Graduate Institute for Policy Studies

sumantrapal@gmail.com

July 2,2015

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 1 / 12

market: any day

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 2 / 12

market expectations

How to monitor?

How to anchor?

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 3 / 12

market expectations

How to monitor?

How to anchor?

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 3 / 12

market expectations

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 4 / 12

Counter-factual: What if?

Spot-intervention?

Options-based intervention?

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 5 / 12

Counter-factual: What if?

Spot-intervention?

Options-based intervention?

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 5 / 12

Spot-intervention

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 6 / 12

Options-based intervention

sell options: short

buy options:long

both:spread

at same strike: straddle

at different strike: strangle

at several: risk-reversal

short-straddle + butterfly spread

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 7 / 12

Options-based intervention

sell options: short

buy options:long

both:spread

at same strike: straddle

at different strike: strangle

at several: risk-reversal

short-straddle + butterfly spread

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 7 / 12

Options-based intervention

sell options: short

buy options:long

both:spread

at same strike: straddle

at different strike: strangle

at several: risk-reversal

short-straddle + butterfly spread

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 7 / 12

Options-based intervention

sell options: short

buy options:long

both:spread

at same strike: straddle

at different strike: strangle

at several: risk-reversal

short-straddle + butterfly spread

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 7 / 12

Options-based intervention

sell options: short

buy options:long

both:spread

at same strike: straddle

at different strike: strangle

at several: risk-reversal

short-straddle + butterfly spread

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 7 / 12

Options-based intervention

sell options: short

buy options:long

both:spread

at same strike: straddle

at different strike: strangle

at several: risk-reversal

short-straddle + butterfly spread

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 7 / 12

Options-based intervention

sell options: short

buy options:long

both:spread

at same strike: straddle

at different strike: strangle

at several: risk-reversal

short-straddle + butterfly spread

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 7 / 12

a short straddle

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 8 / 12

a butterfly spread

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 9 / 12

a day, another day, any day

Do if:

liquid fx options market

exchange-traded + cash-settled in domestic currency

learn from:

Australia, Colombia, Mexico

improve:

Ross Recovery Theorem (JF, 2015)

derive real-world density

derive and monitor changes in risk-preference

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 10 / 12

a day, another day, any day

Do if:

liquid fx options market

exchange-traded + cash-settled in domestic currency

learn from:

Australia, Colombia, Mexico

improve:

Ross Recovery Theorem (JF, 2015)

derive real-world density

derive and monitor changes in risk-preference

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 10 / 12

a day, another day, any day

Do if:

liquid fx options market

exchange-traded + cash-settled in domestic currency

learn from:

Australia, Colombia, Mexico

improve:

Ross Recovery Theorem (JF, 2015)

derive real-world density

derive and monitor changes in risk-preference

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 10 / 12

a day, another day, any day

Do if:

liquid fx options market

exchange-traded + cash-settled in domestic currency

learn from:

Australia, Colombia, Mexico

improve:

Ross Recovery Theorem (JF, 2015)

derive real-world density

derive and monitor changes in risk-preference

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 10 / 12

a day, another day, any day

Do if:

liquid fx options market

exchange-traded + cash-settled in domestic currency

learn from:

Australia, Colombia, Mexico

improve:

Ross Recovery Theorem (JF, 2015)

derive real-world density

derive and monitor changes in risk-preference

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 10 / 12

a day, another day, any day

Do if:

liquid fx options market

exchange-traded + cash-settled in domestic currency

learn from:

Australia, Colombia, Mexico

improve:

Ross Recovery Theorem (JF, 2015)

derive real-world density

derive and monitor changes in risk-preference

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 10 / 12

a day, another day, any day

Do if:

liquid fx options market

exchange-traded + cash-settled in domestic currency

learn from:

Australia, Colombia, Mexico

improve:

Ross Recovery Theorem (JF, 2015)

derive real-world density

derive and monitor changes in risk-preference

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 10 / 12

a day, another day, any day

Do if:

liquid fx options market

exchange-traded + cash-settled in domestic currency

learn from:

Australia, Colombia, Mexico

improve:

Ross Recovery Theorem (JF, 2015)

derive real-world density

derive and monitor changes in risk-preference

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 10 / 12

a day, another day, any day

Do if:

liquid fx options market

exchange-traded + cash-settled in domestic currency

learn from:

Australia, Colombia, Mexico

improve:

Ross Recovery Theorem (JF, 2015)

derive real-world density

derive and monitor changes in risk-preference

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 10 / 12

everyday + bad day

Do it everyday

Don’t over-do it

It can save your day, some day

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 11 / 12

everyday + bad day

Do it everyday

Don’t over-do it

It can save your day, some day

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 11 / 12

everyday + bad day

Do it everyday

Don’t over-do it

It can save your day, some day

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 11 / 12

merci

Sumantra Pal (GRIPS) Fx intervention + Currency options July 2,2015 12 / 12

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