The intelligence desk

The Wire

What candidates report being asked in the latest cycles, monitored across public interview reports, then rebuilt here as rigorous originals with full solutions. When the street's questions drift, the Wire drifts with them; a static question bank can't.

Methodology: concepts sourced from candidates' public accounts of their interviews · every prompt & solution is QuantPit original work · stamps record the reported period and firm style, not an affiliation

◆ reported · 2025–26 cyclePRIVATE

Pay to Peek

Prompt sealed for members. The full write-up, the trap, and the original solution are inside.

Medium·Expected Value·Jane Street / SIG style
◆ reported · 2025–26 cyclePRIVATE

“I'll Trade Ten Times Your Size”

Prompt sealed for members. The full write-up, the trap, and the original solution are inside.

Medium·Market Making & Betting·Optiver / IMC style
◆ reported · 2025–26 cyclePRIVATE

You Pick Second

Prompt sealed for members. The full write-up, the trap, and the original solution are inside.

Hard·Probability·Jane Street / Five Rings style
◆ reported · 2025–26 cyclePRIVATE

Reroll One of Two

Prompt sealed for members. The full write-up, the trap, and the original solution are inside.

Medium·Expected Value·Optiver / Akuna Capital style
◆ reported · 2025–26 cyclePRIVATE

The Overlap Illusion

Prompt sealed for members. The full write-up, the trap, and the original solution are inside.

Hard·Statistics·Citadel Securities / Two Sigma style
◆ reported · 2025–26 cyclePRIVATE

Find the Three Leaks

Prompt sealed for members. The full write-up, the trap, and the original solution are inside.

Hard·Machine Learning·G-Research / XTX Markets style
◆ reported · 2025–26 cyclePRIVATE

Size the Feed

Prompt sealed for members. The full write-up, the trap, and the original solution are inside.

Medium·Brainteasers & Logic·Jump Trading / HRT style
◆ reported · 2025–26 cycle

The Unit Trap Market

“Make me a market on tomorrow's high temperature in this city, in Celsius.” You quote 18 / 22. “Fine, now make me the same market …

Easy·Market Making & Betting·Optiver / Flow Traders style
◆ reported · 2025–26 cyclePRIVATE

Double or Quarter

Prompt sealed for members. The full write-up, the trap, and the original solution are inside.

Hard·Market Making & Betting·SIG / Jane Street style
◆ reported · 2025–26 cyclePRIVATE

Turn 100 into 200

Prompt sealed for members. The full write-up, the trap, and the original solution are inside.

Hard·Market Making & Betting·Citadel Securities / DRW style
◆ reported · 2025–26 cyclePRIVATE

Make a Market on the Coffees

Prompt sealed for members. The full write-up, the trap, and the original solution are inside.

Medium·Market Making & Betting·Optiver / IMC style
◆ reported · 2025–26 cyclePRIVATE

The Payoff Changes After You Answer

Prompt sealed for members. The full write-up, the trap, and the original solution are inside.

Medium·Brainteasers & Logic·Jane Street style
◆ reported · 2025–26 cyclePRIVATE

Right on Direction, Still Down

Prompt sealed for members. The full write-up, the trap, and the original solution are inside.

Medium·Options & Hedging·Akuna Capital style
◆ reported · 2025–26 cycle

Five Reds in a Row

A fair roulette-style wheel has just landed red five spins running. A colleague offers you even money that the next spin is black,…

Easy·Probability·SIG style
◆ reported · 2025–26 cyclePRIVATE

The Survey That Lies

Prompt sealed for members. The full write-up, the trap, and the original solution are inside.

Medium·Probability·Five Rings style
◆ reported · 2025–26 cyclePRIVATE

Does the Second Bet Help?

Prompt sealed for members. The full write-up, the trap, and the original solution are inside.

Medium·Statistics·Citadel Securities / DRW style
◆ reported · 2025–26 cyclePRIVATE

Hire the Best of a Hundred

Prompt sealed for members. The full write-up, the trap, and the original solution are inside.

Hard·Expected Value·Jane Street style
◆ reported · 2025–26 cyclePRIVATE

Paths That Skip the Middle

Prompt sealed for members. The full write-up, the trap, and the original solution are inside.

Medium·Combinatorics·SIG / HRT style
◆ reported · 2025–26 cyclePRIVATE

The Category Trick That Cheats

Prompt sealed for members. The full write-up, the trap, and the original solution are inside.

Hard·Machine Learning·G-Research / XTX Markets style
◆ reported · 2025–26 cyclePRIVATE

Ant Across the Cube

Prompt sealed for members. The full write-up, the trap, and the original solution are inside.

Medium·Expected Value·Two Sigma / Citadel Securities style
◆ reported · 2025–26 cyclePRIVATE

Price the Binary

Prompt sealed for members. The full write-up, the trap, and the original solution are inside.

Medium·Options & Hedging·Da Vinci / Akuna Capital style
◆ reported · 2025–26 cyclePRIVATE

Add a Third Engine

Prompt sealed for members. The full write-up, the trap, and the original solution are inside.

Hard·Statistics·DRW / Citadel Securities style
◆ reported · 2025–26 cycle

Make a Market on Piano Tuners

“Make me a two-sided market on the number of full-time piano tuners working in a city of about nine million people.” You get no da…

Easy·Market Making & Betting·Optiver / IMC style
◆ reported · 2025–26 cyclePRIVATE

Prizes Around the Circle

Prompt sealed for members. The full write-up, the trap, and the original solution are inside.

Medium·Combinatorics·HRT / SIG style
◆ reported · 2025–26 cyclePRIVATE

The Best of Twenty Backtests

Prompt sealed for members. The full write-up, the trap, and the original solution are inside.

Hard·Statistics·G-Research / XTX Markets style

Why this section exists: interview fashions move, option stacks that price to zero, size-up follow-ups, leak-hunt formats. The Wire is refreshed as new cycles are reported, and every entry also lives in its home topic with the full hint-and-solution treatment.