Valence

Inactive · Unified prediction markets trading platform

YC W26

Website YC profile

Why it ranks

How the rank works

2signal of 100 · rising 2

went through YCProgram · this site+4
team of 3Team size · YC's directory+3.1

A sum of public facts, not a judgement and not investment advice.

Competitors

Developer toolsInactive

DomeShared: prediction market, unified, polymarketYC F25Startup →Other

TotalisShared: prediction market, consumer financeYC X26New York CityStartup →OtherSelfinShared: prediction market, driven, consumer financeYC F25San FranciscoStartup →Developer tools

River MarketsShared: prediction market, unified, traderYC X26San FranciscoStartup →Developer toolsInactive

OddpoolShared: prediction market, trading, infrastructureYC X26San FranciscoStartup →

Companies closest to Valence
Company	Category	Status	Program
DomeShared: prediction market, unified, polymarketYC F25InactiveDevtools	Devtools	Inactive	YCF25
TotalisShared: prediction market, consumer financeYC X26ActiveOther	Other	Active	YCX26
SelfinShared: prediction market, driven, consumer financeYC F25ActiveOther	Other	Active	YCF25
River MarketsShared: prediction market, unified, traderYC X26ActiveDevtools	Devtools	Active	YCX26
OddpoolShared: prediction market, trading, infrastructureYC X26InactiveDevtools	Devtools	Inactive	YCX26

Adjacent

Other

BirkelandShared: prediction marketEF 2023SingaporeStartup →Other

Better OpinionsShared: prediction market, tradingYC W22BengaluruStartup →Other

Sequence MarketsShared: prediction market, execute, traderYC W26TorontoStartup →Other

ValCtrlShared: prediction market, contractYC X26New York CityStartup →Other

NovigShared: prediction market, tradingYC S22New York CityStartup →

Companies next to Valence
Company	Category	Status	Program
BirkelandShared: prediction marketEF 2023Not statedOther	Other	Not stated	EF2023
Better OpinionsShared: prediction market, tradingYC W22ActiveOther	Other	Active	YCW22
Sequence MarketsShared: prediction market, execute, traderYC W26ActiveOther	Other	Active	YCW26
ValCtrlShared: prediction market, contractYC X26ActiveOther	Other	Active	YCX26
NovigShared: prediction market, tradingYC S22ActiveOther	Other	Active	YCS22

Also from W26 in Developer tools

All of W26

Developer tools

CascadeDistilling Proprietary IntelligenceYC W26San FranciscoStartup →Developer tools

Crosslayer LabsProtect, monitor and defend your Internet presenceYC W26New York CityStartup →Developer tools

FernRL environments for robotics companiesYC W26Startup →Developer toolsInactive

Klaus AIFast and Safe OpenClaw on the cloudYC W26San FranciscoStartup →Developer tools

REV1Claude Code for Mechanical EngineersYC W26San FranciscoStartup →Developer tools

shortkitMedia infra for consumer appsYC W26Startup →

Company	Category	Status
CascadeDistilling Proprietary Intelligenceteam of 2ActiveDevtools	Devtools	Active
Crosslayer LabsProtect, monitor and defend your Internet presenceteam of 3ActiveDevtools	Devtools	Active
FernRL environments for robotics companiesteam of 2ActiveDevtools	Devtools	Active
Klaus AIFast and Safe OpenClaw on the cloudteam of 2InactiveDevtools	Devtools	Inactive
REV1Claude Code for Mechanical Engineersteam of 2ActiveDevtools	Devtools	Active
shortkitMedia infra for consumer appsteam of 2hiringActiveDevtools	Devtools	Active

Founders

Neo WangFounder
Daniel Kasabov-NouvionFounder
Arthur ZhouFounder

About Valence

Valence is a unified trading platform for prediction markets. We provide infrastructure to aggregate and execute contracts across Kalshi, Polymarket, and other platforms, surface arbitrage and mispricing opportunities in real time, and give systematic traders the API and backtesting tools they need to build and execute data-driven strategies on anything.

YC batch: W26 · Winter 2026
Status, per YC: Inactive
Category: Developer tools
Team size: 3
Location: San Francisco, CA, USA
Founded: 2026
Checked: 6h ago

Changes seen

StatusNov 9, 2026

Now listed as inactive, was active.

Source ↗

Valence in W26: 199 companies, 81% AI

Valence: questions

Which YC batch was Valence in?

Valence was in Y Combinator's Winter 2026 batch (W26).

Is Valence still active?

Y Combinator lists Valence as inactive.

Who founded Valence?

Valence's founders, as listed on its YC page: Neo Wang (Founder), Daniel Kasabov-Nouvion (Founder), Arthur Zhou (Founder).

Where is Valence based?

Valence lists San Francisco, CA, USA as its location on YC's directory.