What Can Field of Dreams Teach Us About Corn And Trading Macro?

Last night I wasted Field of Dreams with the kids. Plenty of complaints before the start. One wanted to watch Avengers, another didn’t want to watch a sports movie. The other one was opposed to the entire endeavor. 


They came around pretty quick. But here was my big takeaway: I’m on the verge of becoming a naturalized citizen in the commodity world--I couldn’t stop thinking about how all the farmers were appalled and outraged when Kevin Costner dug up his corn to build the baseball field. And then there was the clearly disastrous financial implications, where this decision put his farm on the verge of bankruptcy. 

I had questions. 1) how much corn did he dig up? 2) how much revenue did he forego, in absolute terms and relative to the size of the farm? 3) Given a few assumptions, was this really a farm-wrecking decision, or was this Hollywood stuff? 

In 1987 many farms in Iowa were between 250-500 acres, and this same data shows a husband/wife team could have eked out a living managing such farm. Let's assume this was a 250 acre farm.

The average value per acre in Iowa was $875 in 1987, around the depth of the US farm crisis. A 250-acre farm could have been had for around $220,000. Lets call it $280k with a modest farm house on the property. Putting say, $60k down on such a property was certainly within reach for a college educated, dual income couple in their mid-30s that has been working and saving for 10-15 years.

So 250 acres of corn, yielding 120 bushels nets you 30,000 bushels of corn. Lets say Kevin Costner is a particularly crafty basis trader and he gets $2/bushel for his corn. He grosses $60,000.  The 1987 census report above suggests such a farm might generate $20-$30k in net income--enough to live on if you’re into the lifestyle--but there were many farms during that time that were losing money.  Bankruptcy was certainly on the mind of every US farmer in the mid-late 80s. 

Now, what about this baseball field? A major league baseball field is around 2.5 acres. 


But with foul territory and some residual space for bleachers, you’re probably looking at another acre. But no more than 4.5 acres total, even if you add in a few parking spaces. 

Let's say Kevin Costner dug up four acres of corn. That’s less than $1000 in foregone revenue in the year he dug it up (it probably had some residual silage value!) and in the new crop year when Shoeless Joe finally showed up. 

So our hero gave up $1000 out of $60,000 in revenue, and maybe $30,000 in net income. Let’s add on another $1000 for the infield dirt, the grass he planted, and the backstop fence.  Despite the gossiping and murmuring of the other farmers and their wives, he certainly could have billed it as a community service--and heck, even written it off on his taxes--since presumably he didn’t just let the field sit there..he let the local farm-kid teams play on it while he was waiting for whatever was supposed to happen. 

An aggressive financial decision, but one easily justified by hearing a voice say, “If you build it, he will come.” 

Kevin Costner made one crazy, totally unjustifiable decision: he lit the field!! 


This, is what would have bankrupted his farm. This is the decision that would have had his smarmy brother-in-law questioning his sanity.  Lighting the field today would easily get you into six digits, and would certainly have been out of reach for a financially strapped family farmer in the midst of an agricultural crisis.

Sure, it made for the coolest scene in the movie. 
But completely implausible.  

Here’s a few light-hearted takeaways for market analysis: 

Question assumptions. We all have a cognitive bias to buy into what we’re being told. It’s called “Truth Default Theory”. It’s what makes movies work….but it often turns into a trap in markets. 

Sometimes the trade is not where you think. Everyone jumped on Kevin Costner for digging up his corn--but it was the lights that were financially reckless. 

Everyone loves a story.  Many trades are long on “story” because stories sell. You’re not going to get your boss to buy into upsizing your trade because of your spreadsheet. You need a story.

But….every story needs data.  Stories without data are just that, Hollywood stories. A good story combined with solid data can go a long way. 

But most important:
Be open to changing your mind.  I didn’t mention this above, but the key point of the movie is when the fussy pants brother-in-law has his epiphany. This was a man that was deep into his own trade to buy Kevin’s farm. But he changed his mind. That this was done only with divine intervention is irrelevant! Too often we get wedded to ideas and refuse to accept the metal cost of accepting that we were wrong and changing course. 

Love your ideas, but don’t be afraid to set them free. 


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September 30, 2019 at 7:13 AM ×



Well, you said you'd love to hear our ideas...

2020 American election vote for trumpy aka "((chinese bookie in the oval office))".


"Make America Gamble Again"

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September 30, 2019 at 9:05 AM ×



its monday arvo here...amps is sliding down the tree of horror branches...

amps needs to set the marketplace straight around here as he sick of blocking out the subliminal messages that he still till this day sees swaying back and forth upon the podium...let's help out the easts/souths sydney ((mob)) get over their weekend.

ffs...i did not take your jacket! ( get a life...take someone's else charlie)

ffs...stop bringing archer off the bench ( "BIASED"...and still a good excuse 20 years later!!!)

ffs...you pal and matey and friends...bad fuckin luck!...you guys are jonahs...i don't care what you do...just get a life without me in it.


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Skr
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October 1, 2019 at 4:06 AM ×

Hi Shawn, I'm a bit confused as to the point you are trying to make. Are you sugg8ing that one of best years for macro traders is coming to abrupt end? Are you suggesting the boat is lopsided? Are you suggesting that volatility is making a comeback(traders paradise)? Are you suggesting profit talking will be early this year? Or is it a soul cleansing exercise that has to be done to release the beast.
Somehow I think it's a bit of all them.

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October 4, 2019 at 2:56 PM ×



its friday night here...amps is settling in with his favorite omen for this weekends adventures...


ffs...why don't they play this after the last race


https://www.youtube.com/watch?v=r-KwOPh_haQ

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October 4, 2019 at 6:09 PM ×



Oooohhhyeaaahhhhhh.....


"rock it in the daytime"".....

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Anonymous
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October 8, 2019 at 10:34 PM ×

Amps shut the fuck up you crack head!

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October 9, 2019 at 4:37 AM ×



anonymous...i've had it with you civilians out there...

your trolling of traders here is not constructive.

i love how the world sees other lone punters out there is the wilderness...the experts, the behavioral psychologists, and best of all the elites and the gongsters.

if you leave someone isolated long enough and left alone to his own free will within his own mind...you get someone that just cannot be anything but honest with himself...he learns his limitations, his strengths, his flaws...you name it. its no jail cell you have put me in...quite the contrary...its a lab!

i won't change ....forget it guys!

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October 14, 2019 at 6:09 AM ×


its monday morning here...amps is stuck in the bondi swiss grand.


amps is suffering from cognitive dissonance as walks through the lobby of the swiss grand as he is in two minds of whether to hit the trading desk in time for the tokyo open...or settle in at the swissy and play with the field...

the only way you can get amps out of the swissy presidential on a monday morning is on punting matters only...especially monday morning...must admit though...there was always a good optic at the swissy...aahh...those were the days...mr.nobody just enjoying the scenery.

i'd give an left arm and right leg to go back into that time...just a nobody...

anyway...i was thinking...since the swissy is open all day an night...you'd think it be too much to ring up catherine mcneil and lyndia collins as see if they'll come over?

lets face it...i need to go back in time and feel once again how stress free it was to be around girls that like to play...where you can be yourself and no one cares who you are...ahhh...those were the days...

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Unknown
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October 17, 2019 at 12:37 PM ×

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