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John Yang

๐Ÿ‘ค Speaker
224 total appearances

Appearances Over Time

Podcast Appearances

The Rational Reminder Podcast
Market Simulations & Financial Planning | #411 (John Yang)

So gang is generative adversarial networks.

The Rational Reminder Podcast
Market Simulations & Financial Planning | #411 (John Yang)

Those are machine learning models that are the new cool kids on a block situation.

The Rational Reminder Podcast
Market Simulations & Financial Planning | #411 (John Yang)

People are using that to generate synthetic data.

The Rational Reminder Podcast
Market Simulations & Financial Planning | #411 (John Yang)

So essentially what it's trying to do is that it is generating a set of samples using a machine learning model and then using another model to judge it.

The Rational Reminder Podcast
Market Simulations & Financial Planning | #411 (John Yang)

You kind of like go back and forth and find realistic scenarios.

The Rational Reminder Podcast
Market Simulations & Financial Planning | #411 (John Yang)

The drawback for that is that there's still a lot of research that need to be done.

The Rational Reminder Podcast
Market Simulations & Financial Planning | #411 (John Yang)

And like a lot of machine learning models,

The Rational Reminder Podcast
Market Simulations & Financial Planning | #411 (John Yang)

When you're using it, you might be overfitting.

The Rational Reminder Podcast
Market Simulations & Financial Planning | #411 (John Yang)

You might discover patterns that are not there at all.

The Rational Reminder Podcast
Market Simulations & Financial Planning | #411 (John Yang)

When you're assimilating it, you're essentially amplifying those patterns.

The Rational Reminder Podcast
Market Simulations & Financial Planning | #411 (John Yang)

That can be an issue for clients who don't want their wealth to go wrong.

The Rational Reminder Podcast
Market Simulations & Financial Planning | #411 (John Yang)

Exactly.

The Rational Reminder Podcast
Market Simulations & Financial Planning | #411 (John Yang)

I think to close my talk here, I think the main takeaway from this is that forward-looking assumptions are starting points.

The Rational Reminder Podcast
Market Simulations & Financial Planning | #411 (John Yang)

When you're planning for wealth, to use those assumptions in planning, they had to be turned into a path.

The Rational Reminder Podcast
Market Simulations & Financial Planning | #411 (John Yang)

And that's what we've been working on for this project.

The Rational Reminder Podcast
Market Simulations & Financial Planning | #411 (John Yang)

The baseline Gaussian model that we start with is clean and transparent.

The Rational Reminder Podcast
Market Simulations & Financial Planning | #411 (John Yang)

but it makes market looks way too smooth than it actually behaves.

The Rational Reminder Podcast
Market Simulations & Financial Planning | #411 (John Yang)

And our frameworks keeps the same assumptions, but it produced paths that are better reflecting the messiness, I'll say, of the market.

The Rational Reminder Podcast
Market Simulations & Financial Planning | #411 (John Yang)

We look at asymmetries, we look at the fat tails, we look at assets that are moving together during crisis.

The Rational Reminder Podcast
Market Simulations & Financial Planning | #411 (John Yang)

And those are the things that matters a lot.