Mustafa Kurt

Data and AI, taken all the way to the decision.

I work where decisions are made: I find the one that matters, build what it needs, and measure what changed. The work below is public, built on open data in my own time, and held to the same standard.

Correspondence — mustaa8@gmail.comCareer record

Works

Where does your company stand in its sector? Drop your trial balance; nothing leaves your browser.

Which sector has the lowest equity-to-assets threshold below which a quarter of its firms fall?

In education, at least one firm in four has negative equity.

Equity to assets, lower quartile −42.2% · 2024 · TCMB

An iskandil is the sounding of the depth of water.

TodayTCMB edition watch2026 edition5 bulk files · last change recorded 16.09.202609.10.2026 13:21

TCMB Sektör Bilançoları 2026 · 852 sector codes

Open İskandil

Your own data

Which activity does “Manufacture of air and spacecraft and related machinery” most resemble in its financial ratios?

The 11:00 forecast of tomorrow’s electricity price is prepared before bids close to support bidding decisions. The results below are from the 15:00 forecast.

46 scored days up to 09.10.2026, 33.2% less error than the best simple rule. The bar is 60 scored days. Tomorrow’s price is published before the forecast is made; the forecast does not use it, and neither do the simple rules, so the record tests the method. Not yet evidence, and here is why.

Rasat means observation.

TodayDay-ahead price2,900 TL/MWh09.10.2026 meanRenewable share52.7%10.09.2026–09.10.202609.10.2026 15:25

EPİAŞ Şeffaflık Platformu · last reading 09.10.2026 15:25 TRT

Open Rasat

Is a day-ahead electricity price forecast better than a naive one?

For decisions that differ by region: the data of 81 provinces, in one atlas.

A nirengi is the survey operation that fixes the position of points with triangles.

TodayNext statistical bulletins12.10.202622 due · publication calendar of 10.10.202610.10.2026

57 verified sources · 81 provinces · latest successful data collection: 10.10.2026 04:42 UTC

Verified source: a source whose licence, address and values have been checked by hand.

On the Veri Durumu page, “latest successful data collection” shows when data collection last finished successfully for each source, while on the home page card it shows the latest of those times; all times are in UTC, and the time on the card does not mean data from every source was collected then.

Open Nirengi(Türkçe)

In which Turkish provinces do banks lend more than they collect in deposits?

Governing an automated decision rule: a published investing rule, followed on paper.

A seyir is a ship's course, and the seyir defteri is its log.

TodayPaper book104,218 USD20 positions10.10.2026 09:22

9-1 momentum · top 20 · equal weight · first sealed 08.09.2026 · last amended 02.10.2026 · next rebalance 05.11.2026

A research log, not investment advice.

Open Seyir

An operations controller's two-hour warning: flight delays, measured.

BTS · ranking score: model 0.843 (0.718 without any aircraft information), table of past averages 0.686 · months not used to train the model: February–July 2026

I rebuilt my 2019 master's graduation project, correcting one flaw at a time. I first measured its ranking score on predicted probabilities; each fix after that lowered the value a little further. That is what I wanted to show.

Ranking score: 0.669 for the 2019 setup rerun on August 2025 flights, using yes/no predictions as in the original project · 0.749 using predicted probabilities on the same flights · 0.695 after the fixes

The project, redone

İrtifa means altitude.

Open İrtifa

Each time shown is the one its work recorded. This page re-reads the works daily at 10:15 and 15:30 TRT, and Seyir’s card again whenever the page opens. A figure past its window is not shown.From a question to a running systemThe factory

KerterizA kerteriz is taking a compass bearing to fix where something is. Here site selection is done from publicly available geodata. In progress.