
Co-founder + CEO of CompStak. Graduate @Babson + @etower #500Strong
Joined December 2009
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Michael Mandel retweeted
Arab parties just won a record 19 seats in Israel’s parliament.
Now name an Arab country where a Jewish party holds even one.
I’ll wait.
Michael Mandel retweeted
I feel lucky to be Israeli.
Out of 14m Palestinians in the Middle East, Arab Israelis are the *only* ones that get a vote.
Palestinians in West Bank haven't voted since 2006, stuck under a 90 year old dictator.
Lebanese Palestinians don't even get the citizenship.
Jordanian Palestinians have a.........king.
You may not like this, but the best thing to happen to Palestinians is to live inside Israel.
Eat your heart out.
Wonder what the clown, @nasdaily is feeling right now after Zionists have shed their mask about what they actually feel about "Arab Israelis" 🤡🤡🤡🤡🤡
Michael Mandel retweeted
Every antizionist who believes they’re “on the right side of history” while defending a dude who literally does Nazi salutes in Jewface needs to realize how profoundly they have been brainwashed into being the foot soldiers of a global anti-Jew agenda without realizing it.
Mega leases just staged the sharpest reversal. 🏙️
Renewal premiums on leases of 500,000+ square feet rebounded from 49.2% to 85.1% in a year.
Download CompStak's 2026 Biannual Industrial Market Report to see what's driving it. hubs.ly/Q04pxVn80
#commercialrealestate
Michael Mandel retweeted
“I killed myself to give the Palestinians a state.”
Bill Clinton
They turned down 97% of the West Bank, all of Gaza, and land swaps.
Yet the world still pretends the only obstacle to peace is Israel.
Watch.
Michael Mandel retweeted
BREAKING: In an unprecedented move, the UN has finally admitted that Hamas is blocking aid into Gaza.
They describe a system of arresting drivers, intimidating and threatening aid workers, and limiting aid.
Israel has been vindicated once again.
This could not be more accurate.
Imagine your family worked for a generation to save enough money to buy a brownstone occupied with rent stabilized tenants on the Upper West Side. The family financed the purchase with a mortgage from a bank based on the premise that rents and cash flow would at least keep pace with inflation so you could pay interest and principal on the mortgage and hopefully have some cash flow left as a return on your investment.
While you had rent stabilized tenants, you were led to believe that the NYC Rent Guidelines Board would be required to adjudicate rental increases each year by taking a measure of the inflation of costs to own and operate a building and setting rental increases appropriately.
You believed the RGB would do its job as the board is comprised of two representatives each for landlords and tenants and five independent representatives that represent the general public.
Now, a new mayor @NYCMayor Mamdani is elected on the promise of freezing rents. There are about two million rent stabilized renters that benefit if rents are frozen so by promising frozen rents the new candidate for mayor buys votes and wins the election.
The new mayor achieves his objective by stacking the RGB with directors who do not follow their obligations and simply vote for a rent freeze as a preordained conclusion as evidenced by the statements of an RGB director who resigned in protest for this very reason.
Meanwhile, inflation in NYC is rampant in utilities, real estate taxes, insurance, repairs and maintenance, etc. and now your rents are frozen. Real estate is a high operating leverage business which means that frozen rents and inflating expenses will cause property cash flows to plummet and your after debt service cash flow to go negative.
I expect therefore there will be hundreds if not thousands of small NYC property owners who are now or will shortly be underwater on their mortgages, and without any cash flow to maintain their assets.
If you remember the images of the South Bronx burning in the mid 1970s, you can viscerally understand what is happening to small NYC real estate owners.
While the rent freeze appears to be short-term good news (long term it will lead to poorly maintained apartments) for 2 million NYC renters, it is bad news for the 2 million or more renters in the 1 million market rate apartments in the City because a landlord-hostile market is not likely to add meaningfully more supply and market rents will likely continue to escalate at a high rate.
All of this seems quite unfair and wrong unless I missing something?
Why am I wrong?
For disclosure: I do not own any NYC rental apartments.
Michael Mandel retweeted
NYC's Rent Guidelines Board just froze rent on a million apartments, 7-1. The lone "no" vote? @NYUStern Professor and @ManhattanInst senior fellow @arpitrage, the economist on the board who lays out, in @CityJournal, exactly why this freeze backfires.
~30% of rent-stabilized households earn six figures. 57,000 stabilized units sit empty. ~10% of these buildings already lose money every month.
A freeze doesn't make housing cheap. It makes it scarce, decrepit, and eventually the taxpayer's problem. It's the same cycle that bankrupted the nickel subway fare and hollowed out Mumbai's housing stock.
The benefit is a lottery ticket for whoever holds the lease. Everyone else gets crowded into a market that's now breathing with one lung.
Allow the private sector to build more housing. That's the only real fix.
cityjournal.substack.com/p/t…
Michael Mandel retweeted
“Please look at me,” begs a survivor of the Hamas Rapist Regime.
But UN “expert” @UNSRVAW Reem Alsalem won’t give her that basic dignity.
There’s no humanity in the UN Human Rights Council.
Michael Mandel retweeted
This is the UN.
Look at the face of the UN special rapporteur who is meant to stand up for women but has refused, again and again, to speak up for Israeli women.
Look at her face when a former hostage challenges her.
Michael Mandel retweeted
I’ve watched Jewish friends ask “is it safe to check in here as a Jew” before booking hotels this year. Some called them paranoid.
Then you see this. A Jewish couple greeted with “baby killer” by an employee at a hotel reception in California.
Turns out it wasn’t paranoia.
32% of all office leases expire by 2028.
52.6% of Class A and 54.2% of Class B expiring space carry positive rent growth potential.
Except San Francisco. Both classes still showing negative spreads.
Full breakdown: hubs.ly/Q04bPNvT0
#Office #Commercialrealestate
Raw data overstated the office downturn by nearly 3x.
But the quality-adjusted recovery is just as muted. Rents are only 7.8% above 2019 levels at year-end 2025.
CompStak's 2025 Biannual Office Market Report: hubs.ly/Q04bMY020
#OfficeMarket #CommercialRealEstate
Manhattan #office rents "surged" in 2022.
Except they didn't, and it was mostly trophy building leases skewing the average. The Columbia CompStak Rent Index strips out compositional bias. Check out the deep dive with @Columbia_Biz here: hubs.ly/Q04cZjQc0
Everyone's talking about the Palantir effect. The #data tells a different story. 88% of South Florida's biggest office leases came from in-market companies, not new arrivals, according to CompStak.
Read the full @trdny story. hubs.ly/Q049W8J10
#commercialrealestate
Michael Mandel retweeted
.@Camber_Creek portfolio company @CompStak & @Columbia joined forces to create a new data set tracking commercial real estate rents. Learn more during this free webinar on April 22. compstak.com/go/webinar-reth…?
Michael Mandel retweeted
The President of the United States addresses the nation about the Islamic Republic of Iran, flanked by the Easter Bunny.
We are living in a simulation.
Michael Mandel retweeted
I envy the Israeli left.
Not their politics. Their freedom.
They march through Tel Aviv calling their own country an apartheid state. They go on CNN and call the IDF war criminals. They write op-eds in Haaretz comparing Israel to the worst regimes in history. They join NGOs funded by hostile governments to produce reports designed to delegitimize the Jewish state.
And then they go home. Sleep in their beds. Send their kids to school the next morning. No one threatens their family. No one disappears them in the night. No one drags them from their home.
Zero consequences.
Now imagine, just imagine, if Iranians had 1% of that freedom. If an Egyptian columnist could criticize Sisi the way Gideon Levy criticizes Netanyahu. If a Palestinian in Ramallah could call Abbas corrupt on live TV and walk home safely. If someone in Gaza could have held a sign saying "Hamas does not speak for me" without being executed.
The Middle East would be unrecognizable.
The great irony is that the people who enjoy more political freedom than virtually anyone else in the region use that freedom to paint Israel as a tyranny while the actual tyrannies they're silent about would imprison or kill them for doing the same.
You're not brave. You're spoiled. You mistake comfort for conscience. You scream "genocide" into a microphone the state itself protects, then sleep soundly in a democracy you spend your days trying to destroy, while millions across this region would trade everything they have for five minutes of the freedom you use to spit on your own country.
We're thrilled to announce @michaelamandel has been recognized as one of @GlobeStcom's 2026 Influencers in CRE Tech! From pioneering crowdsourced transaction data to advancing AI-powered market intelligence, Michael continues to reshape how the industry understands & uses #data.























