What's Your Edge?

Opinion is the only trade that never gets a margin call. In a market the bill always comes; in politics it never does.

On the evening of March 11, 2008, a man in shirtsleeves stood in a television studio built to resemble a trading floor and told several hundred thousand people to relax. The set had foam bull heads on the desk and a soundboard wired to air horns and cartoon explosions. The man was Jim Cramer, a former hedge fund manager who had converted a talent for conviction into a nightly CNBC program called Mad Money. A viewer had written in about Bear Stearns, the eighty-five-year-old investment bank, and asked whether his money was safe there. Cramer did not pause. “No! No! No! Bear Stearns is fine. Do not take your money out.” The stock was trading near sixty-two dollars a share. He slapped a button and somewhere a bull bellowed.

Five days later Bear Stearns was sold to JPMorgan for two dollars a share.

The viewers who held the stock were wiped out. Cramer was on the air the following night, and the night after that, and he is on the air now. The man who sold the opinion and the man who bought it were two different people, and only one of them ever received a margin call, the broker’s demand that you cover your loss in cash by morning or be sold out at the bottom.

In a market the margin call always comes. You can be wrong about a steel company or a currency or the price of pork bellies for a long while, but eventually the position is marked against you and the money leaves your account.

In politics no bill ever arrives. A pundit can be wrong about Iraq in 2003 and Libya in 2011 and Afghanistan in 2021 and appear on a panel in 2026 with his certainty intact and his audience unshrunk. The position is never marked to market.

Saul Sadka, an Israeli analyst who writes about the wars around him, published a piece called Don’t Read the News, Read Through the News. He argues that the news from a war zone is engineered, he argues, because every signal that passes between enemies is meant to deceive the other one. Leaks are planted. Silence is staged. Iran shutting its airspace before a strike was choreography, performed for satellites. The journalist relaying it knows no more than you do; he is simply closer to the microphone. Those who know do not say, and those who say do not know.

If your edge in the stock market came from reading Yahoo Finance, you would lose your money, because everyone has read Yahoo Finance and the price already contains it. The professional question is always “what is your edge,” the specific reason you know something the price does not. The person who cannot answer it and trades anyway is what the floor calls a sucker, the soft money that the people with a real edge feed on.

Almost nobody has an edge, which is why the honest conclusion is to stop picking stocks and buy the index, the whole market in one basket, and collect the average while the few who know something fight it out at the margin. John Bogle, who founded Vanguard on exactly this insight, spent his career proving that the man who admits he cannot beat the market beats almost everyone who thinks he can. Buying the index is a confession of ignorance, and there is no shame in the confession. You are saying you cannot price the trade, so you will take the consensus and be content with it. Handing your view to a source you genuinely trust is the same move, the index fund of opinion, and it is entirely respectable for exactly as long as you admit that is what you are doing.

Many readers know better than to be “soft money.” Yet when it comes to opining on Israel (or other geopolitical matters, but especially Israel, which occupies a disproportionate amount of bandwidth relative to knowledge), they consider that it is sufficient to read the NYTimes, and perhaps a couple of bestselling books.

His portfolio of predictions has performed terribly. None of that costs him anything, because the product is the warm certainty of standing on the correct side among the people he wants to be standing among. Call it the liberal Zionist exchange-traded fund: enormous assets under management, dismal returns, and a wonderful fee structure.

It is worth noting that we are in the middle of a gambling boom. Sports betting, confined to Nevada until 2018, is legal in thirty-nine states now and lives on every phone through every game. Retail traders crowd into a meme stock or a coin for the pleasure of holding the position, the win secondary to the action. Opining on the war may be the same appetite in a serious coat, the bet placed for the rush of having a side, the move that turns a spectacle you cannot affect into one you feel part of. The gambler at least gets a settlement. His ticket is graded, the money moves, the scoreboard changes whether he likes it or not. The man wagering his certainty on the Middle East has found the purest form of the game, all of the dopamine and none of the reckoning, a bet that is never graded on a position that never closes.

Philip Tetlock, a political psychologist at the University of Pennsylvania, spent two decades testing whether the professionals do better. He gathered 284 experts, collected 82,361 specific forecasts, and waited to see who was right. The average expert barely edged out a dart-throwing chimpanzee and did no better than an attentive reader of the New York Times. The most famous experts, the ones with the columns and the green rooms, did worst of all, because fame rewards a confident story and punishes the hedging that accuracy requires. When the forecasts came due and the experts were wrong, almost none of them revised. They said the timing was off, the event was a fluke, they had been almost right. The same self-justifying repertoire everyone carries. There was no mechanism, internal or external, that made being wrong cost anything. So nothing changed.

What separates the person whose opinion counts from the one whose opinion is noise, is what each stands to lose, their risk-profiles.

The Talmud lays down a rule for anyone who would sit in judgment. “A judge should always see himself as though a sword lay between his thighs and Gehenna gaped open beneath him” (Sanhedrin 7a). Gehenna is hell. The image is grotesque on purpose. To pronounce on another person’s life is to sit over an open grave with a blade against you, so that every ruling is made by someone who can be cut. A verdict handed down by a judge with nothing between his thighs is, in this view, is not a judgment at all.

The same instinct runs through the sayings of Hillel, the first-century sage whose school shaped the law that Jews still keep. “Do not judge your fellow until you reach his place,” he taught (Pirkei Avot 2:4). You may form the verdict only once you have arrived where the cost is paid.

Hillel’s school understood something further, which is that the right to an opinion includes the duty to be able to lose it. For three years the academy of Hillel and the academy of Shammai argued the law, each insisting the law was theirs, until a voice from heaven declared, in the report of the Talmud, “these and these are the words of the living God, and the law follows the house of Hillel” (Eruvin 13b). Why Hillel, if both are the living God’s words? Because they were gentle and forbearing, it answers, and because they taught the words of the house of Shammai alongside their own, and taught Shammai’s words first. They had built the rival’s position into their own mouths. They could state the case against themselves before they stated their own. The law went to the school that had a working mechanism for being wrong, for self-falsification.

“Teach your tongue to say, I do not know, lest you be caught in a lie” (Berakhot 4a); lamed leshoncha lomar eini yodea. The line arrives attached to a small scene. Moses, warning Pharaoh of the plague of the firstborn, says it will fall “about midnight” rather than at midnight, though he knew the hour precisely, because if Pharaoh’s astrologers miscalculated and midnight seemed to pass without death, they would call Moses a liar and the whole testimony would collapse. Even the man who spoke with God hedged at the edge of his knowledge to protect the part he was sure of. Saying “I do not know” is presented as a skill, something the tongue has to be drilled to do, because every incentive runs the other way.

Every incentive still runs the other way. On the platforms where opinion is now manufactured, “I do not know” is the one sentence that yields nothing. It buys no followers, signals no allegiance, ends no argument in your favor. The market for takes pays out only for confidence, and pays double for the confident take that flatters the tribe already assembled to hear it. So the tongue learns the opposite of Moses. It learns to say “obviously” and “anyone can see” about a region of human affairs that the people who run it describe as a black box.

Many feel entitled to tell Israel what it should do, although they are less interested in dictating China’s or France’s policies (“no Jews, no news”). The retired professor, the seminary student, the columnist, the bohemian, each has a firm position on what the cabinet should have chosen, when to have stopped, what the proportionate response would have been.

Israelis may know no more than they do; the fog is the same fog. And of course, two Jews, three opinions.

But the Israelis pay for being wrong in funerals.

The distance between the two is the distance between a shareholder and an analyst on television. One of them eats the result. The other files a take and moves to the next segment.

“If exposure is the license, are you not just saying that whoever suffers most gets to be right, that the man with the most skin wins the argument by bleeding?” No.

Exposure does not make you correct. But exposure supplies the one thing the unbonded opinion structurally lacks, which is a reason to change. The bill is the teacher. A view that is never billed is never corrected, because correction is painful and nothing is forcing the pain. This is why the Israeli electorate turns its governments over and the foreign commentator does not turn over his premises. One of them is being marked to market in real time. The unbonded opinion enjoys a perfect and permanent record for the simple reason that it is never scored, and a belief that cannot be wrong cannot learn.

In 1998 a fund called Long-Term Capital Management, run by John Meriwether and advised by Myron Scholes and Robert Merton, who had won the Nobel Prize in economics the year before for the mathematics of pricing risk, lost roughly four and a half billion dollars in a matter of months when Russia defaulted and their models met a world the models had ruled out. The Federal Reserve had to gather fourteen banks to put up three and a half billion dollars to keep the failure from taking the system down with it. The most knowledgeable men alive, holding the actual instruments of insight, got the margin call anyway, and got it precisely because they were bonded to the trade. That is the market working. The call comes for everyone with a position, the laureate and the day trader alike, and the coming of the call is the mechanism by which a market stays honest. Geopolitics has the laureates and the confident models and the green rooms. It does not have the call.

So what is the honest posture for the rest of us, who have no edge and will never have one?

Sam Harris, the neuroscientist and podcaster, published an essay this year titled Why I Won’t Debate Critics of Israel. His reason is that the fight over the historical record cannot be settled, because the two peoples hold accounts of the past that no amount of study will reconcile, and he is finished performing a contest that has no possible result. Stop trying to win the trade. Leave the daily operations to the people who carry their result, and decline to pretend you are one of them.

This looks like cowardice only if you think opinions are for winning. They are for bearing.

Cramer is still on the air. The index he spent a career telling people to outsmart has roughly tripled since the night the bull bellowed for Bear Stearns. He has been wrong in public more times than anyone could count, and it has cost him nothing, because the people who took his advice were a different set of people than the one that takes his salary. Don’t be Jim Cramer. Ask yourself, “What’s my edge?” And who will pay the price if I’m wrong?